Presentations

Author key:  

UWL Faculty/Staff = 1; UWL Students = 2; UWL Adjunct Faculty = 3

Annen, C., E. M. Kirsch 3 , and R. W. Tyser 1 .  2010.  Wetlands in Service, 15th Annual Conference, Wisconsin Wetlands Association, Eau Claire, WI.  Prioritizing reed canary grass ( Phalaris arundinacea ) control efforts: Which sites are easier to save?"  (Date Presented: February 12, 2010).

Austin, B. J. and E. Strauss 1 .  2008.  56th Annual Meeting of the North American Benthological Society, North American Benthological Society, Salt Lake City, UT.  Nitrification and denitrification response to varying periods of desiccation and inundation in a western Kansas stream.  http://www.benthos.org/Meeting/index.htm.  (Date Presented: May 28, 2008).

Austin, B. and E. Strauss 1 .  2008.  Annual Meeting of the Mississippi River Research Consortium, Mississippi River Research Consortium, Dubuque, Iowa.  The effects of sediment drying and rewetting on nitrogen cycle processes in a small stream in the Kansas River Watershed.  http://www.umesc.usgs.gov/mrrc/2008/2008_mrrc_program.pdf.  (Date Presented: April 24, 2008).

Bailey, S. 2 , J. Wiener 1 , M. B. Sandheinrich 1  and K. R. Rolfhus 1 .  2009.  9th International Conference on Mercury as a Global Pollutant, ICMGP Organizing Committee, Guiyang, China,  "Mercury in Prey Fish in National Parks of the Great Lakes Inventory and Monitoring Network (USA).  http://www.mercury2009.org, (Date Presented: June 2009).

Ballistrieri, D., D. T. Gerber 1  and M. A. Thomsen 1 .  2010.  American Association for the Advancement of Science Annual Meeting 2010, American Association for the Advancement of Science, San Diego, CA,  "Connecting Scientific Research and the Secondary Classroom through Online Lesson Plans.   http://www.aaas.org/meetings/2010/ .  (Invited)  (Date Presented: February 18, 2010).

Belby, C. 1 , E Strauss 1 , and W. B. Richardson 3 .  2010.  Upper Midwest Stream Restoration Symposium, Partnership for River Restoration and Science in the Upper Midwest, La Crosse, Wisconsin.  Large floodplain river restoration: Lessons from the Upper Mississippi River.  http://www.prrsum.org/content/home.  (Invited)  (Date Presented: February 24, 2010).

Bolwahn, J. 2  and M. A. Thomsen 1 .  2008.  Annual Meeting of the Ecological Society of America, Ecological Society of America, Milwaukee, WI.  Effect of fire, herbicide, and mowing on smooth brome and re-establishment of a sand prairie.  (Date Presented: August 2008).

Brigham, M. E., M. B. Sandheinrich 1 , and L. G. Woodruff.  2008.  6th Annual Western Great Lakes Research Conference, Marquette, Michigan.  Mercury and methylmercury in small lake ecosystems in Voyageurs National Park, Minnesota.  http://www.cesu.umn.edu/conferences/WGLC/wglc2008/Index_2008.html.  (Date Presented: April 2, 2008).

Davis, J. A., A. Melwani, L. Grenier, S. Bezalel, J. Hunt, M. Stephenson, G. Ichikawa, D. Slotton, S. Ayers and J. Wiener 1 .  2008.  The Fish Mercury Project:  Monitoring to support adaptive water quality management and risk communication in the San Francisco Bay and Sacramento-San Joaquin Delta Region (USA).  8th International Conference on the Environmental Management of Enclosed Coastal Seas, Shanghai, China, October 27-30, 2008.

Erickson, J. 2 , J. E. Saros 1  and C. Martin.  2008.  International Society for Salt Lake Research, International Society for Salt Lake Research, Perth, Australia.  Community- and genus-level patterns in alkaline phosphatase activity in saline lakes.

Ganser, A. 2 , W. Warren Heideman, R. E. Peterson and T.King-Heiden 1 .  2010.  Midwest Regional Conference for the Society of Environmental Toxicology and Chemistry, MRC-SETAC, St. Paul, MN,  "Latent and transgenerational reproductive toxicity following developmental exposure to TCDD is associated with impaired ovarian development.  (Date Presented: March 25, 2010).

Gray, B. 3 , R. J. Haro 1 , and J. Rogala.  2008.  2nd USGS Modeling Conference, U.S. Geological Survey, Perdido Beach Resort, Orange Beach, Alabama.  Addressing among-group variation in covariate effects using multilevel modeling approaches.  http://137.227.240.103/fmi/iwp/cgi?-db=mm2008_pubgui_dev&-loadframes.  (Date Presented: February 12, 2008).

Haro, R. J. 1  and A. Devanold 2 .  2010.  Mississippi River Research Consortium, Mississippi River Research Consortium, La Crosse, WI.  Common Filter-Feeding Caddisfly Larvae Breakdown Large Wood Debris in the Upper Mississippi River.  http://mrrc.ngrrec.org/.  (Date Presented: April 23, 2010).

Haro, R. J. 1 , S. Bailey 2 , K. R. Rolfhus 1 , M. B. Sandheinrich 1 , and J. G. Wiener 1 .  2010.  8th Annual Western Great Lakes Research Conference, National Park Service, St. Paul, Minnesota.  Variability in Methylmercury Concentration Among Larval Dragonflies: Effects of Collection Site, Taxon and Sex.  http://www.cesu.umn.edu/conferences/WGLC/wglc2010/Index_2010.html.  (Date Presented: March 16, 2010).

Haro, R. J. 1 , G. Sandland 1 , and G. William 2 .  2009.  North American Benthological Society Annual Meeting, North American Benthological Society, Grand Rapids.  Potential impact of two invasive species on the macroinvertebrate communities surrounding islands in navigation pools of the upper Mississippi River.  http://nabs.confex.com/nabs/2009/webprogram/start.html.  (Date Presented: May 19, 2009).

Haro, R. J.  1 , C. Koperski, N. Mundahl, W. Richardson, D. Vetrano, and J. Weeks.  2007.  Trout Unlimited "Science in the Driftless Area" workshop, Trout Unlimited, Decorah, IA.  From leaky landscapes to lipids: Control of trout production in Driftless Area Streams", http://www.tu.org/site/c.kkLRJ7MSKtH/b.3303011/k.217E/Science_in_the_ Driftless_Area.htm .  (Invited)  (Date Presented: October 6, 2007).

Haro, R. J.  1 , and J. Veldboom 2 .  2007.  55th Annual Meeting of the North American Benthological Society, North American Benthological Society, Columbia, SC.  Lotic Seston Quality and the Growth of a Common Suspension-feeding Caddisfly.  http://nabs.confex.com/nabs/2007/techprogram/P2027.htm.  (Date Presented: June 2007).

Henke, M. 2 , J. E. Saros 1  and M. McKay.  2008.  International Society for Salt Lake Research, International Society for Salt Lake Research, Perth, Australia.  Iron limitation patterns in prairie saline lakes of the Northern Great Plains of North America.

King-Heiden, T. 1 , W. Heideman, and R. E. Peterson.  2009.  PPTOXII: Role of Environmental Stressors in the Developmental Origins of Disease, Society of Toxicology and NIEHS (primary sponsoring organizations), Miami, FL.  Developmental Exposure To 2,3,7,8-TCDD Impairs Ovarian Development And Reproductive Capacity Of Adults And Their Offspring.  http://http://www.toxicology.org/ai/meet/CCT_pptox_meeting.asp.  (Date Presented: December 8, 2009).

King-Heiden, T. 1 , P. N. Wiecinski, A. N. Mangham, K. M. Metz, D. Nesbit, J. A. Pedersen, R. J. Hamers, W. Heideman and R. E.Peterson.  2009.  Biomonitorying: Assessing Spatial & Temporal Trends in Contaminants, Midwest Regional Chapter of the Society of Environmental Toxicology and Chemistry, La Crosse, WI.  Surface Functionalization Influences the Nanotoxicity of Quantum Dots in Zebrafish Embryos.  (Date Presented: March 31, 2009).

Laukannen, K. 2 , M. B. Sandheinrich 1 , and R. J. Haro 1 .  2010.  Mississippi River Research Consortium, La Crosse, WI.  The effect of riparian vegetation on the distribution of sculpin in southwestern Wisconsin streams.   (Date Presented: April 22, 2010).

Martin, C. and J. E. Saros 1 .  2008.  International Society for Salt Lake Research, International Society for Salt Lake Research, Perth, Australia.  Seasonal patterns in algal community structure in prairie saline lakes.

Ogorek, J. 1 , K. R. Rolfhus 1 , R. J. Haro 1  and J. G. Wiener 1 .  2008.  Annual Meeting of the Geological Society of America, Geological Society of America.  Sediment methylmercury concentrations and production rates in contrasting coastal wetlands of Chequamegon Bay (WI), Lake Superior.  http://www.geosociety.org/.  (Date Presented: October 2008).

Ogorek, J. 2 , K. R. Rolfhus 1 , J. Wiener 1 , and R. J. Haro 1 .  2007.  Making a Great Lake Superior - A Conference Linking Research, Education, and Management, Minnesota SeaGrant, Duluth, MN.  Methylmercury Production and Incorporation into the Lower Food Web of Contrasting Nearshore Environments of Chequamegon Bay, Wisconsin.  http://www.seagrant.umn.edu/superior2007/.  (Date Presented: October 29, 2007).

Peirce J. P. Jr. 1 , G. Sandland 1 , and R. J.Haro 1 .  2010.  Waterbird Mortality Workshop, US Fish and Wildlife Service, Onalaska, WI.  Modeling Host-Parasite Interaction on the Mississippi River.  (Date Presented: March 16, 2010).

Perez, K. 1  and R. Minton.  2009.  Association of Southeastern Biologists, ASB, Birmingham, AL.  Analysis of Museum Records Highlights Unprotected Land Snail Diversity in  Alabama.  (Date Presented: March 1, 2009).

Perez, K. 1 , J. Nestleroad and N. Ford.  2010.  Southwestern Association of Naturalists, Junction, Texas.  Preliminary Survey of Terrestrial Snails of Smith County, Texas.  (Date Presented: March 22, 2010).

Perez, K.  1 .  2009.  Evolution 2009, National Evolutionary Synthesis Center/ Society for the Study of Evolution, Moscow Idaho.  Nuts and Bolts of Ecological biogeography.  (Date Presented: June 12, 2009).

Perez, K. 1 .  2009.  Evolution 2009, National Evolutionary Synthesis Center/ Society for the Study of Evolution, Moscow Idaho.  Using DIVA-GIS for ecological niche modeling.  (Date Presented: June 12, 2009).

Porzky, M. 2 .  2007.  UWL's Annual Celebration of Research and Creativity, Biology Department.  A Preliminary Analysis of Changes in Landscape Structure for the Upper Mississippi River From 1989 to 2000", (Date Presented: April 2007).

Richardson, W. B. 3 , R. Kreiling, L. Bartsch 3 , J.Cavanaugh, W. James and E. Strauss 1 .  2008.  Annual Meeting of the Mississippi River Research Consortium, Mississippi River Research Consortium, Dubuque, Iowa.  Nitrate uptake in a vegetated backwater lake in the Upper Mississippi River: Results of in situ chamber experiments with additions of 14NO3- and 15N-NO3- tracer.  http://www.umesc.usgs.gov/mrrc/2008/2008_mrrc_program.pdf.  (Date Presented: April 24, 2008).

Riebe, J. R. 2 , J. C. Nelson, and R. W. Tyser 1 .  2009.  Mississippi River Research Consortium, Preliminary analysis of land cover transitions within selected backwater areas of the upper Mississippi River from 1989 to 2000, La Crosse, WI.  Preliminary analysis of land cover transitions within selected backwater areas of the upper Mississippi River from 1989 to 2000.   (Date Presented: May 1, 2009).

Riebe, J. 2 .  2009.  UWL's Annual Celebration of Research and Creativity, National Conference on Undergraduate Research (NCUR), Other, Biology Department.  Vegetation changes in the Upper Mississippi: 1989-2000",Upper Mississippi River Research Consortium, La Crosse, WI. (May 2009).

Rieck, D. 2 , E. Hicks, K. Perez 1 , W. Warren Heideman, R. E. Peterson, and T. King-Heiden 1 .  2010.  Midwest Regional Conference for the Society of Environmental Toxicology and Chemistry, MRC-SETAC, St. Paul, MN.  Sublethal concentrations of TCDD induces subtle craniofacial malformations and reduces food intake in larval zebrafish.  (Date Presented: March 25, 2010).

Rolfhus, K. R. 1 , S. Bailey 2 , R. J. Haro 1 , M. B. Sandheinrich 1 , and J. B. Wiener 1 .  2010.  8th Annual Western Great Lakes Research Conference, National Park Service, St. Paul, Minnesota.  Bioaccumulation of Mercury in Aquatic Food Webs of Three National Park Units of the Western Great Lakes Region.  http://www.cesu.umn.edu/conferences/WGLC/wglc2010/Index_2010.html,  (Date Presented: March 16, 2010).

Rolfhus, K. R. 1 , S. Bailey 2 , R. J. Haro 1 , M. B. Sandheinrich 1 , and J. B. Wiener 1 .  2010.  8th Annual Western Great Lakes Research Conference, National Park Service, St. Paul, Minnesota.  Bioaccumulation of Mercury in Aquatic Food Webs of Three National Park Units of the Western Great Lakes Region.  http://www.cesu.umn.edu/conferences/WGLC/wglc2010/Index_2010.html.  (Date Presented: March 16, 2010).

Rolfhus, K. R. 1 , J .Ogorek 1 , R. J. Haro 1 , and J. G. Wiener 1 .  2010.  Midwest SETAC Annual Meeting, Society of Environmental Toxicology and Chemistry, La Crosse, WI.  Riverine and wetland influences on methylmercury contamination of the aquatic food web in nearshore environments of Chequamegon Bay (Lake Superior, Wisconsin).  http://www.midwestsetac.org/. (Date Presented: March 31, 2009).

Rolfhus, K. R. 1  and R. J. Haro 1 .  2010.  Making a Great Lake Superior 2007, U.S. Environmental Protection Agency, Duluth, MN.  Methylmercury Content of Wild Rice Collected on the Bad River Reservation, WI.  http://www.seagrant.umn.edu/superior2007/.  (Date Presented: October 29, 2007).

Rolfhus, K. R. 1 , J. G. Wiener 1 , R. J. Haro 1 , and J. Ogorek 2 .  2009.  9th International Conference on Mercury as a Global Pollutant, ICMGP Organizing Committee, Guiyang, China.  Tributary influences on methylmercury contamination in the lower food web of Chequamegon Bay (Lake Superior, Wisconsin, USA).   http://www.mercury2009.org/ .  (Date Presented: June 2009).

Rolfhus, K. R. 1 , J. Ogorek 2 , R. J. Haro 1 , and J. G. Wiener 1 .  2008.  8th International Conference on the Environmental Management of Enclosed Coastal Seas, East China Normal University, Shanghai, China, Shanghai, China.  Riverine and wetland influences on methylmercury contamination of the aquatic food web in nearshore environments of Chequamegon Bay (Lake Superior, Wisconsin, USA).  http://www.emecs-8.ecnu.edu.cn/  (Invited)  (Date Presented: October 2008.

Salm, C. 2 , J. E. Saros 1 , C. Osburn and S. Fritz.  2008.  International Society for Salt Lake Research, International Society for Salt Lake Research, Perth, Australia.  Patterns of primary production in prairie saline lakes.

Sandheinrich, M. B. 1 , K. R. Rolfhus 1 , and J. G. Wiener 1 .  2010.  8th Annual Western Great Lakes Research Conference, National Park Service, St. Paul, Minnesota.  Expected Effects of Climate Change on Bioaccumulation of Methylmercury in the Great Lakes Region.  http://www.cesu.umn.edu/conferences/WGLC/wglc2010/Index_2010.html.  (Date Presented: March 17, 2010).

Sandheinrich, M. B. 1  and L. Walleser 2 .  2010.  8th Annual Western Great Lakes Research Conference, National Park Service, St. Paul, Minnesota.  "Evaluating the Effects of Methylmercury on Northern Pike in Western Great Lakes Parks.  http://www.cesu.umn.edu/conferences/WGLC/wglc2010/Index_2010.html.  (Date Presented: March 16, 2010).

Sandheinrich, M. B.  1  and J. G. Wiener 1 .  2009.  Mercury Science and Policy Conference, U.S. Environmental Protection Agency and Northeast Waste Management Officials' Association, Chicago, IL.  Methylmercury in freshwater fish:  sub-lethal and reproductive effects at environmentally relevant exposures.  http://www.newmoa.org/prevention/mercury/conferences/sciandpolicy/.  (Date Presented: November 18, 2009).

Sandheinrich, M. B. 1  and J. G. Wiener 1 .  2009.  Ecotoxicology of methylmercury in fish:  recent advances reveal adverse effects of environmentally relevant exposures.  9th International Conference on Mercury as a Global Pollutant, Guiyang, China, June 7 12, 2009.

Sandheinrich, M. B. 1 , S. Bailey 2 , R. J. Haro 1 , K. R. Rolfhus 1  and J. G. Wiener 1 .  2009.  9th International Conference on Mercury as a Global Pollutant, ICMGP Organizing Committee, Guiyang, China.  Dragonflies as Bioindicators of Methylmercury Contamination in Aquatic Food Webs.  http://www.mercury2009.org. (Date Presented: June 2009).

Sandheinrich, M. B. 1  and J. G. Wiener 1 .  2008.  Methylmercury in fish:  advances in assessing toxicity of environmentally relevant exposures.  29th Annual Meeting of Society of Environmental Toxicology and Chemistry, Tampa, Florida, November 16-20, 2008.

Sandheinrich, M. B. 1   2007.  Developing Integrated Monitoring and Modeling Programs for Mercury in the Chesapeake Bay Region, Chesapeake Bay Program and NOAA, Linthicum, MD.  Design of fisheries monitoring programs for temporal trend analysis.  (Date Presented: October 2, 2007).

Sandland, G. 1 .  2009.  American Society for Microbiology - North Central Branch, American Society for Microbiology, University of Wisconsin - La Crosse.  Interplay between host genetic variability and the transmission of a human macroparasite ( Schistosoma mansoni ).  /microbiology/html/NCBprogram.htm .  (Invited)  (Date Presented: October 10, 2009).

Sandland, G. 1 , A. R. Wethington and D. J. Minchella.  2009.  North American Benthological Society Annual Meeting, North American Benthological Society, Grand Rapids MI.  Interplay between hosts genetic diversity and disease transmission in a host-parasite association.  http://nabs.confex.com/nabs/2009/webprogram/start.html.  (Date Presented: May 21, 2009).

Sandland, G. 1 , R. J. Haro 1 , and B. Walker 2 .  2009.  Faculty Research Day, UW-La Crosse, UW-La Crosse.  Investing the processes underlying species invasions and disease outbreaks in the Upper Mississippi River.  (Date Presented: January 23, 2009).

Sandland, G. 1 , R. J. Haro 1 , B. Walker 2 , and J. P. Peirce Jr. 1 .  2009.  Mississippi River Research Consortium, La Crosse, WI.  Initial investigations into the success of an invasive snail ( Bithynia tentaculata ) and its parasitic hitchhikers.  http://www.umesc.usgs.gov/mrrc.html.  (Date Presented: April 30, 2009).

Sandland, G. 1 , R. J. Haro 1 , J. P. Peirce Jr.  1  and B. Walker 2 .  2009.  North American Bethological Society Annual Meeting, North American Bethological Society, Grand Rapids MI.  Assessing the breadth of exotic parasite infections in native benthic communities of the upper Mississippi River.  http://nabs.confex.com/nabs/2009/webprogram/start.html.  (Date Presented: May 19, 2009).

Saros, J. E. 1   2007.  International Paleolimnology Symposium, Duluth, MN.  Experimental and paleolimnological approaches to understanding ecosystem change.  Invited.

Saros, J. E. 1   2007.  Shallow Lakes Workshop, St. Croix Watershed Research Station, Minnesota.  Algal ecology of shallow prairie lakes. ,  Invited.

Saros, J. E. 1 , J. Erickson 2 , C. Salm 2 , C. Osburn and S. Fritz.  2008.  International Society for Salt Lake Research, International Society for Salt Lake Research, Perth, Australia.  The role of calcium in regulating phosphorus availability in prairie saline lakes.

Sauer, J., J. Griswold, C. Lowenberg, G. Sandland 1  and R. J. Haro 1 .  2009.  North American Benthological Society Annual Meeting, North American Benthological Society, Grand Rapids MI.  Determining habitat characteristics of an invasive snail ( Bithynia tentaculata , Linnaeus, 1758) and associated trematodes on the Upper Mississippi River",  http://nabs.confex.com/nabs/2009/webprogram/start.html.  (Invited)  (Date Presented: May 21, 2009).

Schmeltz D., C. Driscoll, D. Evers, D. Gay, R. Haeuber, D. Krabbenhoft, and J. Wiener 1 .  2009.  MercNet - a national framework for monitoring spatial and temporal changes in environmental mercury loads.  To be presented at Seventh National Monitoring Conference-Monitoring from the Summit to the Sea, Denver, Colorado, April 25-29, 2010.

Strauss, E.  1  and S. D. Symmank 2 .  2009.  Annual Meeting of the North American Benthological Society, North American Benthological Society, Grand Rapids, Michigan.  Nutrient limitation of periphyton in moderately nutrient enriched agricultural streams of west-central Wisconsin",  http://nabs.confex.com/nabs/2009/webprogram/start.html.  (Date Presented: May 19, 2009).

Thomsen, M. A. 1 , K. Brownell and E. Kirsch 3 .  2010.  Ecological Society of America Annual Meeting, Pittsburgh, PA.  Control of reed canary grass ( Phalaris arundinaceae ) improves tree regeneration in an Upper Mississippi River floodplain forest.  (Date Presented: August 2010).

Thomsen, M. A. 1 , K. Brownell and E. Kirsch 3 .  2010.  Upper Midwest Stream Restoration Symposium, Partnership for River Restoration and Science in the Upper Midwest, La Crosse, WI.  Control of reed canary grass ( Phalaris arundinacea ) improves floodplain forest tree seedling establishment.  (Date Presented: February 2010).

Thomsen, M. A. 1 , K. Brownell and E. Kirsch 3 .  2007.  Corps of Engineers Annual Forestry Coordination Meeting, US Army Corps of Engineers, La Crosse, WI.  Status update on restoration experiment at WKTY.  (Invited)  (Date Presented: August 2007).

Tyser, R. W. 1 , and J. M. Asebrook 2 .  2008.  21st North American Prairie Conference, Winona State University, Winona, MN.  Effects of herbicide and seeding treatments on restoration of roadside vegetation:  limitations of short-term studies.  (Date Presented: August 5, 2008).

Wiener, J. 1 , B. Route, S. Bailey 2 , R. J. Haro 1 , K. R. Rolfhus 1  and M. B. Sandheinrich 1 .  2010.  Seventh National Monitoring Conference-Monitoring from the Summit to the Sea, Denver, CO.  Mercury in national park units of the western Great Lakes region:  assessing bioaccumulation in aquatic food webs.  (Invited)  (Date Presented: April 25, 2010).

Wiener, J. G. 1 , B. Route, D. R. Engstrom, J. Glase, B. M. Lafrancois 3 , and M. B. Sandheinrich 1 .  2009.  Mercury Science and Policy Conference, U.S. Environmental Protection Agency and Northeast Waste Management Officials' Association, Chicago, IL.  Trend monitoring of mercury in national park units of the western Great Lakes region", http://www.newmoa.org/prevention/mercury/conferences/sciandpolicy/. (Date Presented: November 17, 2009).

Wiener, J. G. 1 , and M. B. Sandheinrich 1 .  2008.  Water quality in the Upper Mississippi River:  historic trends, present status, and emerging concerns.  8th International Conference on the Environmental Management of Enclosed Coastal Seas, Shanghai, China, October 27-30, 2008.

Wiener, J. G.  1 , R. J. Haro 1 , K. R. Rolfhus 1 , M. B. Sandheinrich 1  and B. Route.  2008.  6th Annual Western Great Lakes Research Conference, Marquette, Michigan.  Monitoring and Assessing Methylmercury and Organic Contaminants in Aquatic Biosentinel Organisms in the Great Lakes Network",  http://www.cesu.umn.edu/conferences/WGLC/wglc2008/Index_2008.html. (Date Presented: April 2, 2008).

Wiener, J. G.  1  and M. B. Sandheinrich 1 .  2008.  Mississippi River Research Consortium, Dubuque, Iowa.  Contaminants in the Upper Mississippi River:  Historic Trends, Present Status, and Emerging Concerns.  (Invited)  (Date Presented: April 25, 2008).

Wiener, J. G. 1 , R. J. Haro 1 , K. R. Rolfhus 1 , M. B. Sandheinrich 1 , and B. Route.  2008.  6th Annual Western Great Lakes Research Conference, Marquette, Michigan.  Monitoring and Assessing Methylmercury and Organic Contaminants in Aquatic Biosentinel Organisms in the Great Lakes Network.  Regional, http://www.cesu.umn.edu/conferences/WGLC/wglc2008/Index_2008.html, (Date Presented: April 2, 2008).

Wiener, J. G. 1 , K. R. Rolfhus 1 , and R. J. Haro 1 .  2008.  Methylmercury in the aquatic food web of contrasting environments of Chequamegon Bay (Lake Superior).  2008 Ocean Sciences Meeting, Orlando, Florida, March 2-7, 2008.

Wiener, J. G. 1 , K. R. Rolfhus 1 , and R. J. Haro 1 .  2008.  2008 Ocean Sciences Meeting, American Society for Limnology and Oceanography, Orlando, Florida.  Wetland Proximity Affects Methylmercury in the Aquatic Food Web of Chequamegon Bay (Lake Superior)", http://aslo.org/orlando2008/files/2008osm-pgm_web.pdf  (Date Presented: March 3, 2008).

Wiener, J. G. 1 , L. W. Kallemeyn, K. R. Rolfhus 1 , M. B. Sandheinrich 1 , B. C. Knights, J. D. Jeremiason, J. A. Sorensen, and J. Van Stappen.  2007.  Human and natural controls on methylmercury in aquatic food webs of Voyageurs National Park and Apostle Islands National Lakeshore.  George Wright Society Conference on Parks, Protected Areas, and Cultural Sites, St. Paul, Minnesota, April 16-20, 2007.

Wiener, J. G. 1   2007.  Mercury in aquatic ecosystems:  controls on bioaccumulation, adverse effects, and trends.  17th Annual Water Quality Conference on Monitoring, Assessment and Management, Boise, Idaho, January 2-4, 2007.  (Keynote paper)

Porzky, M.M. 2 , J.C. Nelson, R.W. Tyser 1 , C.M. Hupy 1 . 2007. A preliminary analysis of changes in landscape structure for the upper Mississippi River from 1989 to 2000. Upper Mississippi River Research Consortium Annual Meeting, La Crosse, WI, April 23.  

Rolfhus, K.R. 1 , B.C. Knights 3 , J.G. Wiener 1 , M.B. Sandheinrich 1 , R.J. Haro 1 , J.D. Jeremiason. 2007. Trophic transfer of methylmercury in lacustrine food webs of Voyageurs National Park, Minnesota, George Wright Society Biennial Conference on Parks, Protected Areas & Cultural Sites, George Wright Society, St. Paul, MN, April 19.  

Sandheinrich, M.B. 1  2007. Do environmentally relevant concentrations of methylmercury alter the dynamics of wild populations of fish? Midwest Chapter of the Society of Environmental Toxicology and Chemistry, Chicago Regional Chapter of the Society for Risk Analysis, Chicago, IL, March 15.  

Sandheinrich, M.B. 1  2007. Effects of methylmercury on wild populations of walleye. Annual Meeting of the Wisconsin Chapter of the American Fisheries Society, Milwaukee, WI, January 10. (Keynote address)  

Sandheinrich, M.B. 1 , K.R. Rolfhus 1 , J.G. Wiener 1 , and S. Bailey 1 . 2007. Fin clips as a Non-lethal Method for Monitoring Mercury in Fish in National Parks. George Wright Society Biennial Conference on Parks, Protected Areas & Cultural Sites, George Wright Society, St. Paul, MN. April 16.  

Sandheinrich, M.B. 1 , P.E. Drevnick 2 , J.G.Wiener 1 , B.C. Knights 3 . 2007. Effects of methylmercury on fish reproduction: are fish populations in Voyageurs National Park at risk?. George Wright Society Biennial Conference on Parks, Protected Areas & Cultural Sites. St. Paul, MN, April 16.  

Wiener, J.G. 1  2007. Mercury in aquatic ecosystems: controls on bioaccumulation, adverse effects, and trends. 17th Annual Water Quality Conference on Monitoring, Assessment and Management, Boise, Idaho, January 3. (Keynote paper)  

Wiener, J.G. 1 , L. Kallemeyn, K.R. Rolfhus 1 , M.B. Sandheinrich 1 , B.C. Knights 3 , J. Jeremiason, J. Sorensen, and J. Van Stappen. 2007. Human and natural controls on methylmercury in aquatic food webs of Voyageurs National Park and Apostle Islands National Lakeshore. George Wright Society Biennial Conference on Parks, Protected Areas & Cultural Sites, George Wright Society, St. Paul, MN, April 19. (Invited paper)  

Wiener, J.G. 1 , and M.B. Sandheinrich 1 . 2007. Bioaccumulation of methylmercury in lacustrine food webs of Voyageurs National Park: controlling factors and potential biological consequences, Minnesota Pollution Control Agency, Seminar to Minnesota Pollution Control Agency, St. Paul, MN, March 8.  

Aslesen, N. 2  and K.R. Rolfhus 1 . 2006. Biological indicators of methylmercury exposure in the lower foodweb of the Apostle Islands, WI. National Conference of Undergraduate Research, Raleigh, NC, March.  

Aslesen, N.S. 2 , J.G. Wiener 1 , K.R. Rolfhus 1 , K.A. Bluske, E.R. Schmidt, and S.W. Bailey 1 . 2006. Methylmercury in lagoon habitats of the Apostle Islands National Lakeshore (Lake Superior). 5th Annual Western Great Lakes Research Conference, Ashland, Wisconsin, March 22-23.  

Bailey, S.W. 1 , K.R. Rolfhus 1 , M.B. Sandheinrich 1 , and J.G. Wiener 1 . 2006. Analysis of fin clips as a non-lethal method for monitoring mercury in fish. Eighth International Conference on Mercury as a Global Pollutant, Madison, Wisconsin, August 6-11.  

Berlin, C.J. 1 , J.A. Handley 1 . 2006. Estimating Wetland Surface Water Retention. Annual Meeting of the Association of American Geographers, Chicago, IL, March 11.  

Caravan, R., C. Rees, P. Drevnick 2 , D. Weber, M.B. Sandheinrich 1 , and M. Caravan. 2006. Effects of methylmercury on gene expression associated with reproductive decline in fathead minnows. International Conference on Mercury as a Global Pollutant, August 11.  

DeVault A. 2 , R.W. Tyser 1 . 2006. Do landcover classification systems influence landscape metrics? Upper Mississippi River Research Consortium Annual Meeting, La Crosse, WI, April 27.  

Drevnick, P. E. 2 , M.B. Sandheinrich 1 , and J.T. Oris. 2005. Increased ovarian follicular apoptosis in fathead minnows exposed to dietary methylmercury. Annual Meeting of the Society of Environmental Toxicology & Chemistry, Baltimore, MD, November.  

Erickson, J. 2 , J.E. Saros 1 , and C. Martin 2 . 2005. Community- and genus-level patterns in alkaline phosphatase activity in saline lakes. International Society for Salt Lake Research, International Society for Salt Lake Research, Perth, AU.  

Genson, S.D. 2  and R.W. Tyser 1 . 2006. Effects of an early spring flood on landscape patterns in Pool 8, Upper Mississippi River. Upper Mississippi River Research Consortium Annual Meeting, La Crosse, WI, April 27.  

Greenfield, B.K., J.L Grenier, A. Jahn, S. Shonkoff, M.B. Sandheinrich 1 , J.C. Andrews, and J. Davis. 2006. Monitoring mercury in biosentinel fish in San Francisco Bay. 5th National Monitoring Conference, National Water Quality Monitoring Council, San Jose, CA, May 7.  

Haro, R.J. 1 , J. Ogorek 2 , K.R. Rolfhus 1 , J.G. Wiener 1 , and S.W. Bailey 1 . 2006. Methylmercury in surficial sediment, macroinvertebrates, and yearling yellow perch in wetland and near-shore habitats of southern Lake Superior (USA). Eighth International Conference on Mercury as a Global Pollutant, Madison, WI, August 6-11.  

Lee, C. 1 . 2006. The Upper Mississippi River in history and memory: living midstream," International Conference on Rivers and Civilization, June 28, La Crosse, Wisconsin.  

Mergler, D., A. Scheuhammer, H. Anderson, L. Chan, K. Mahaffey, M. Meyer, M. Murray, M. Sakamoto, M.B. Sandheinrich 1 , and A. Stern, 2006. Health risks and toxicological effects of methylmercury. Plenary address -- Eighth International Conference on Mercury as a Global Pollutant, Madison, WI, August 8.  

Ogorek, J. 2 , R.J. Haro 1 , K.R. Rolfhus 1 , and J.G. Wiener 1 . 2006. Benthic-biotic methylmercury relationships in Chequamegon Bay (Wisconsin), Lake Superior. Eighth International Conference on Mercury as a Global Pollutant, Madison, WI, August 6-11.  

Ogorek, J.M. 2 , R.J. Haro 1 , K.R. Rolfhus 1 , and J.G. Wiener 1 . 2006. Methylmercury relationships between sediment and resident benthic macroinvertebrates in Chequamegon Bay (Wisconsin), Lake Superior. 5th Annual Western Great Lakes Research Conference, Ashland, Wisconsin, March 22-23.  

Rolfhus, K.R. 1 , B.C. Knights 3 , J.G. Wiener 1 , M.B. Sandheinrich 1 , R.J. Haro 1 , and J. D Jeremiason. 2006. Methylmercury in food webs of interior lakes of Voyageurs National Park (Minnesota, USA). Eighth International Conference on Mercury as a Global Pollutant, Madison, WI. August 7.  

Rolfhus, K.R. 1 , E. Schmidt, K. Bluske, J. Wiener 1 , and S. Bailey 1 . 2006. Trophic transfer of methylmercury in the lower food web of lakes within Voyageurs National Park, MN, Society of Environmental Toxicology and Chemistry, Midwest Chapter Annual Meeting, St Cloud, MN. March 23.  

Sandheinrich, M.B. 1  2006. Effects of methylmercury on wild populations of walleye. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Montreal, Quebec, Canada. November 7.  

Sandheinrich, M.B. 1  2006. Effects of methylmercury on wild populations of walleye. 2006. Eighth International Conference on Mercury as a Global Pollutant. Madison, WI, August 8.  

Sandheinrich, M.B. 1  2006. The River Studies Center: partnerships in science research and education, UW-La Crosse and National Mississippi River Museum & Aquarium. International Conference on Rivers and Civilization, La Crosse, WI, June 26.  

Saros, J.E. 1  2006. Algal ecology of shallow prairie lakes. Shallow Lakes Workshop, St. Croix Watershed Research Station, MN.  

Saros, J.E. 1  2006. Experimental and paleolimnological approaches to understanding ecosystem change. International Paleolimnology Symposium, Duluth, MN.  

Wiener, J.G. 1 , B.C. Knights 3 , M.B. Sandheinrich 1 , J.D. Jeremiason, M.E. Brigham, D.R. Engstrom, L.G. Woodruff, W.F. Cannon, and S.J. Balogh. 2006. Methylmercury in lacustrine food webs in the Voyageurs National Park (Minnesota, USA): importance of atmospheric deposition and ecosystem factors. Eighth International Conference on Mercury as a Global Pollutant, Madison, Wisconsin, August 10, 2006.  

Wiener, J.G. 1 , J. Davis, R. Brodberg, and A. Ujihara. 2006. A framework for near-term reduction of human exposure to methylmercury during restoration of the San Francisco Bay-Delta Ecosystem. International Conference on Rivers and Civilization: Multidisciplinary Perspectives on Major River Basins, La Crosse, Wisconsin, USA, June 25-28.  

Bailey, S.W. 1 , K.R. Rolfhus 1 , M.B. Sandheinrich 1 , and J.G. Wiener 1 . 2005. Analysis of fin clips: evaluation as a non-lethal method for monitoring mercury in fish. Annual Meeting of the Midwest Chapter of the Society of Environmental Toxicology and Chemistry, Madison, Wisconsin, April 5-6.  

Cooke, S.L., C.E. Williamson, and J.E. Saros 1 . 2005. UV radiation effects on calanoid reproduction are altered by temperature, dissolved organic carbon, and nutrients in alpine lakes. American Society of Limnology & Oceanography, Salt Lake City, UT.  

Doyle, S.A., J.E. Saros 1 , and C.E. Williamson. 2005. Interactive effects of ultraviolet radiation, temperature, and nutrients on alpine phytoplankton communities. American Society of Limnology & Oceanography, Salt Lake City, UT.  

Erickson, J.M., J.E. Saros 1 , and C.R. Wigdahl 2 . 2005. Community- and species-level patterns in alkaline phosphatase activity in prairie saline lakes. American Society of Limnology & Oceanography, Salt Lake City, UT.  

Haro, R. J. 1 , B. D. Campbell 2 , and W. B. Richardson 3 , 2005. Chironomid size distributions in constructed and natural ponds: responses to land use and water quality. 53rd Annual Meeting of the North American Benthological Society, May 22-27, 2005, New Orleans, LA.  

Henke, M. & J.E. Saros 1 . 2005. Iron limitation patterns in prairie saline lakes. American Society of Limnology & Oceanography, Salt Lake City, UT.  

Henke, M., J.E. Saros 1 , and M. McKay. 2005. Iron limitation patterns in prairie saline lakes of the Northern Great Plains of North America, International Society for Salt Lake Research, International Society for Salt Lake Research, Perth, AU.  

Kessler, K.I., C.E. Williamson, and J.E. Saros 1 . 2005. Mechanisms of UV defense in alpine phytoplankton and zooplankton. American Society of Limnology & Oceanography, Salt Lake City, UT.  

Lockwood, R.S., C.E. Williamson, J.E. Saros 1 , and K.I. Kessler. 2005. Zooplankton distribution and abundance across DOC gradients in alpine lakes of the Beartooth Mountains: Is there evidence for avoidance of UV radiation? American Society of Limnology & Oceanography, Salt Lake City, UT.  

Martin, C.S. 2  and J.E. Saros 1 . 2005. Phytoplankton seasonal succession patterns in prairie saline lakes. American Society of Limnology & Oceanography, Salt Lake City, UT.  

Martin, C. 2 , and J.E. Saros 1 . 2005. Seasonal patterns in algal community structure in prairie saline lakes, International Society for Salt Lake Research, Perth, AU.  

Miller, K.M. 2  and B.J. Bratina 1 . 2005. Characterization of microbial nitrification and denitrification in an urban Wisconsin marsh. Poster presented at the Mississippi River Research Consortium 37th Annual Meeting, April 28, 2005, La Crosse, Wisconsin.  

Osburn, C.L., L.J. Hamdan, S.C. Fritz, and J.E. Saros 1 . 2005. Variation in organic geochemistry and aquatic optics of prairie saline lakes. American Society of Limnology & Oceanography, Salt Lake City, UT.  

Rolfhus, K.R. 1 , and D. Bodaly. 2005. Mercury fluxes and sediment trends in the FLUDEX reservoirs. Canadian Hydroelectric Utilities Workshop on Greenhouse Gases and Mercury, Winnipeg, Manitoba, Canada, September.  

Salm, C. 2 , J.E. Saros 1 , C. Osburn, and S. Fritz. 2005. Patterns of primary production in prairie saline lakes. International Society for Salt Lake Research, Perth, AU.  

Saros, J.E. 1 , J. Erickson 2 , C. Salm 2 , C. Osburn, S. Fritz. 2005. The role of calcium in regulating phosphorus availability in prairie saline lakes. International Society for Salt Lake Research, Perth, AU.  

Saros, J.E. 1 , J.M. Erickson, C.R. Wigdahl 2 , S.C. Fritz, and C.L. Osburn. 2005. DOM-mediated phosphorus limitation of phytoplankton production in prairie saline lakes. American Society of Limnology & Oceanography, Salt Lake City, UT.  

Stietz, J. 2  and B. Bratina 1 . 2005. Isolation and Characterization of a New Carnobacterium from an Oligotrophic Antarctic Lake. Poster presented at the 105th General Meeting for the American Society for Microbiology, June 5-9, 2005, Atlanta, Georgia.  

Sutherland, D. R. 1  2005. Parasites of anurans from national wildlife refuges: Summary of 2004 data. National USFWS Abnormal Amphibian Training Workshop, Junction, Texas.  

Tyser, R. W. 1 , E. M. Kirsh 3 , and M. S. Meier 2 . 2005. Plant communities in riparian wetland meadows dominated by reed canary grass. Upper Mississippi River Research Consortium, April 28, La Crosse, WI.  

Veldboom, J. A. 2  and R. J. Haro 1 . 2005. Lotic seston quality and the growth of a common filter-feeding caddisfly. Mississippi River Research Consortium, April 28, 2005.  

Wiener, J. G. 1  2005. Methylmercury in food webs in northern midcontinental lakes: bioaccumulation, adverse effects, and trends. 15th Annual Goldschmidt Conference, Moscow, Idaho, May 20-25, 2005. (Keynote paper)  

Wiener, J.G. 1 , B.C. Knights 3 , M.B. Sandheinrich 1 , J.D. Jeremiason, L.W. Kallemeyn, and K.R. Rolfhus 1 . 2005. Bioaccumulation of methylmercury in lacustrine food webs: controlling factors in a mercury sensitive landscape. 90th Annual Meeting of the Ecological Society of America and 9th International Congress of Ecology, Montreal, Canada, August 7-12, 2005. (Invited)  

Wigdahl, C.R. 2  and J.E. Saros 1 . 2005. Patterns of primary production in prairie saline lakes of the Northern Great Plains. American Society of Limnology & Oceanography, Salt Lake City, UT.  

Bodaly, R. A., D. P. Krabbenhoft 3 , M. C. Newman, and J. G. Wiener 1 . 2004. Monitoring of mercury in water, sediment, and aquatic biota to assess responses to changing atmospheric emissions. Seventh International Conference on Mercury as a Global Pollutant, Ljubljana, Slovenia, June 27-July 2, 2004.  

Doyle, S.A. 2 , C.R. Wigdahl 2 , J.E. Saros 1 , C.E. Williamson, and A. Persaud. 2004. Interactive effects of ultraviolet radiation, temperature, nutrients and zooplankton grazing on alpine phytoplankton communities. Ecological Society of America, Portland, OR.  

Klaper, R., M. J. Carvan, A. Dasmahapatra, D. N. Weber, P.E. Drevnick 2 , and M. B. Sandheinrich 1 . 2004. Gene expression links to endocrine function and reproduction decline after mercury exposure in fathead minnows. Fourth World Congress and Annual Meeting of the Society of Environmental Toxicology and Chemistry. Portland, OR.  

Manske, J. M. 2  and B. J. Bratina 1 . 2004. Diversity and Abundance of Carnobacteria in Four Antarctic Lakes. Poster presented at 10th International Symposium on Microbial Ecology, ISME-10 Microbial Planet: Sub-surface to Space, Cancun, Mexico, August 22-27, 2004.  

Rolfhus, K. R. 1 , J. G. Wiener 1 , and M. B. Sandheinrich 1 . 2004. Trophic transfer of mercury in the lower food web of lakes in Voyageurs National Park, Minnesota, USA. Seventh International Conference on Mercury as a Global Pollutant, Ljubljana, Slovenia.  

Rolfhus, K.R. 1  J.G. Wiener 1  and M.B. Sandheinrich 1 . 2004. Trophic transfer of mercury in the lower food web of lakes in Voyageurs National Park, Minnesota, USA. The 7th International Conference on Mercury as a Global Pollutant, Ljubljana, Slovenia.  

Rolfhus, K.R. 1 , B.D. Hall, R.A. Bodaly and J.P. Hurley. 2004. Methylmercury production in experimental reservoirs inundating boreal forests: sensitivity to land cover and flooding. 3rd Biennial California Bay-Delta Authority (CALFED) Science Conference, Sacramento, CA.  

Sandheinrich, M. B. 1 , and C. R. Hammerschmidt 2 . 2004. Bioaccumulation of dietary methylmercury in adults and eggs of fathead minnows. Seventh International Conference on Mercury as a Global Pollutant, Ljubljana, Slovenia.  

Sandheinrich, M. B. 1 , and C. R. Hammerschmidt 2 . 2004. Bioaccumulation of dietary methylmercury in adults and eggs of fathead minnows. Fourth World Congress and Annual Meeting of the Society of Environmental Toxicology and Chemistry. Portland, OR.  

Sandheinrich, M. B. 1 , P. E. Drevnick 2 , K. M. Miller 2 , J. G. Wiener 1 , B. C. Knights 3 , and J. D. Jeremiason. 2004. Does methylmercury exposure alter fish reproduction? 3rd California Bay-Delta Program Science Conference, Sacramento, CA.  

Sandheinrich, M. B. 1 , P. E. Drevnick 2 , J. G Wiener 1 , B. C. Knights 3 , and J. D. Jeremiason. 2004. Effect of methylmercury exposure on reproductive hormones of male northern pike in Voyageurs National Park, USA. Seventh International Conference on Mercury as a Global Pollutant, Ljubljana, Slovenia.  

Saros, J.E. 1 , S.J. Interlandi, T.J. Michel 2 , and A.P. Wolfe. 2004. Shifts in alpine phytoplankton community structure in the Rocky Mountains due to anthropogenic nitrogen deposition. Ecological Society of America, Portland, OR.  

Stietz, J. and B. Bratina. Isolation and Characterization of a New Carnobacterium from an Oligotrophic Antarctic Lake. Poster presented at the 105th General Meeting for the American Society for Microbiology, June 5-9, 2005, Atlanta, Georgia.  

Sutherland, D. R. 1  2004. The trematode parasite Ribeiroria ondatrae as a cause of malformations in amphibians. Centre for Environment, Fisheries and Aquatic Science (CEFAS), Weymouth, England.  

Wiener, J. G. 1  2004. Degradation of fishery resources by bioaccumulative contaminants: prospects for reducing contamination and human exposure. 3rd California Bay-Delta Program Science Conference, Sacramento, California, October 4-6, 2004. (Invited)  

Wiener, J. G. 1  2004. Mercury contamination of North American rivers: status and implications for management and ecological restoration. Joint Annual Meeting of the Midwest and Ozark Prairie Chapters of the Society of Environmental Toxicology and Chemistry, La Crosse, Wisconsin, March 4-5, 2004. (Keynote paper)  

Wiener, J. G. 1 , C. C. Gilmour, and D. P. Krabbenhoft 3 . 2004. Mercury strategy for the San Francisco Bay-Delta ecosystem: a unifying framework for science, adaptive management, and ecological restoration. Seventh International Conference on Mercury as a Global Pollutant, Ljubljana, Slovenia, June 27 - July 2, 2004.  

Williamson, C.E., J.E. Saros 1 , R.S. Lockwood, and G. Dee. 2004. UV-climate interactions in alpine lakes from the molecular to the ecosystem level. Ecological Society of America, Portland, OR.  

Manske, J.M. 2  and B.J. Bratina 1 . 2004. Diversity and Abundance of Carnobacteria in Three Antarctic Lakes. 104th General Meeting of the American Society for Microbiology, May 26, 2004, New Orleans, LA.  

Meier, M. S. 2 , E. M. Kirsh 3,  and R. W. Tyser 1 . 2004. Effects of reed canary grass on terrestrial arthropod abundance, biomass, and diversity in upper midwestern riparian wet meadows. Platform Presentation, Upper Mississippi River Research Consortium, April 2, La Crosse, WI.  

Sandheinrich, M. B. 1 , P. E. Drevnick 2 , J. G. Wiener 1 , B. C. Knights 3 , and J. D. Jeremiason. 2004. Effect of methylmercury exposure on reproductive hormones of male northern pike in Voyageurs National Park, USA. Annual Meeting of the Midwest Chapter of the Society of Environmental Toxicology and Chemistry, La Crosse, WI.  

Sandheinrich, M. B. 1 , and Hammerschmidt, C. R. 2  2004. Bioaccumulation of dietary methylmercury in adults and eggs of fathead minnows. Annual Meeting of the Midwest Chapter of the Society of Environmental Toxicology and Chemistry, La Crosse, WI.  

Wiener, J. G. 1 , C. C. Gilmour, D. P. Krabbenhoft 3 , C. N. Alpers, and M. Stephenson. 2004. A unifying framework for science, management, and ecological restoration in a mercury-contaminated ecosystem. 3rd California Bay-Delta Program Science Conference, Sacramento, California, October 4-6, 2004. (Invited)  

Wiener, J. G. 1 , M. B. Sandheinrich 1 , B. C. Knights 3 , and J. D. Jeremiason. 2004. Mercury in the western Great Lakes region: sources, bioaccumulation in aquatic food webs, adverse effects, and trends in contamination. 3rd Annual Western Great Lakes Research Conference, St. Paul, MN.  

Wiener, J. G. 1 , M. B. Sandheinrich 1 , B. C. Knights 3 , and J. D. Jeremiason. 2004. Mercury in the western Great Lakes region: sources, bioaccumulation in aquatic food webs, adverse effects, and trends in contamination. Third Annual Western Great Lakes Research Conference, St. Paul, MN.  

Ziegeweid, J.R. 2  and K.R. Rolfhus 1 . 2004. Experimental determination of diffusion coefficients and sediment/water fluxes for stable isotopes of mercury. Society of Environmental Toxicology and Chemistry, Mar 3-5, La Crosse, WI.  

Annen, C. A. 2 , R. W. Tyser 1 , and E. M. Kirsch 3 . 2003. Effects of Vantage (Sethodydim) on seed head density and biomass of reed canary grass (Phalaris arundinacea  L.). Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Bendel, J. L. 2 , D. M. Smith 2 , and B. J. Bratina 1 . 2003. Diversity of ammonia-oxidizers in the sediment of the upper Mississippi river (Pool 8). Annual Meeting of the American Society for Microbiology. Washington, D. C.  

Bolwahn, J.A. 2 , C.A. Annen 2 , and R. W. Tyser 1 . 2003. Quantitative selection of a species list for revegetation of reed canary grass communities. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Campbell, B. D. 2 , R. J. Haro 1 , M. G. Knutson 2  and W. B. Richardson 3 . 2003. Land-use effects on chironomid community structure in natural and constructed wetlands. Poster presentation at the XV International Symposium on Chironomidae, University of Minnesota, Minneapolis, MN, August 2003.  

Campbell, B.D. 2 , R.J. Haro 1 , M. Knutson 3 , and W.B. Richardson 3 . 2003. Rarefaction analysis to determine sub-sampling effort for estimating chironomid diversity in Minnesota farm ponds. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Campbell, B.D. 2 , R.J. Haro 2 , M.M. Knutson 3 . 2003. Rarefaction analysis to determine subsampling effort for estimating chironomid diversity in Minnesota farm ponds. North American Benthological Society, Athens, Georgia (abstract accepted).  

Cavanaugh, J.C. 2 , E.A. Strauss 1 , L.A. Bartsch 3 , W.B. Richardson 3 , and D.M. Soballe 3 . 2003. Nitrogen cycling during sediment desiccation and rewetting in the upper Mississippi River, Navigation Pool 8. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI. 

Gillis, R., Haro, R. J., and Cooper, S. T. 2003. First report of a terrestrial slug ( Arion  sp.) from a lotic habitat. Poster presentation at the 51st Annual Meeting of the North American Benthological Society, Athens, Georgia, June 2003.  

Gray, B. R. 3 , Sauer, J. S., Rogala, J. T. and Haro, R. J. 1  2003. Using negative binomial and zero-inflated count distributional assumptions to model benthic macroinvertebrate abundance data. Poster presentation at the 51st Annual Meeting of the North American Benthological Society, Athens, Georgia, June 2003.  

Gray, B.R. 3 , J.S. Sauer and R. J. Haro 1 . 2003. Using zero-modified count distributional assumptions to model abundance data with "extra zeroes." Wildlife Society Annual Conference, Burlington, Vermont.  

Gray, B.R. 3 , J.S. Sauer, J. Rogala, and R. J. Haro 1 . 2003. Using negative binomial and zero-inflated count distributional assumptions to model benthic macroinvertebrate abundance data. North American Benthological Society, Athens, Georgia (abstract accepted).  

Haro, R. J., Gray, B. R., Sauer, J. S. and Rogala, J. T. 2003. Developing a habitat model for large-river mayfly abundance that accommodates over-dispersion and extra zeroes. Poster presentation at the 51st Annual Meeting of the North American Benthological Society, Athens, Georgia, June 2003.  

Kreiling, R. M. 2 , Y. Yin 3 , D. T. Gerber 1 , and A. Elfessi 1 . 2003. Physical and chemical influences on the distribution and abundance of Vallisneria americana Michx. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Kreiling, R.M. 2 , Y. Yin 3 , D.T. Gerber 1 , and A. Elfessi 1 . 2003. Physical and chemical influences on the distribution and abundance of  Vallisneria americana L. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Manske, J. M. 2 , and B. J. Bratina 1 . 2003. Identification of Carnobacteria from four Antarctic lakes. Annual Meeting of the American Society for Microbiology. Washington, D. C.  

Meier, M. S. 2 , E. M. Kirsch 3 , and R.W. Tyser 1 . 2003. Effects of reed canarygrass ( Phalaris arundinacea ) on terrestrial arthropod abundance, biomass, and diversity in upper midwestern riparian wet meadows. Annual Restoration Science meetings, Madison, WI.  

Meier, M.S. 2 , E.M. Kirsch 3 , and R.W. Tyser 1 . 2003. Effects of reed canarygrass ( Phalaris arundinacea ) on terrestrial arthropod abundance, biomass, and diversity in upper midwestern riparian wet meadows. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Michel, T. J. 2 , J. E. Saros 1 , S. J. Interlandi, and A. P. Wolfe. 2003. Reconstructing nutrient concentrations in lakes of the Beartooth Mountains (MT/WY) using algal resource physiologies. Meeting of the American Society of Limnology and Oceanography, Salt Lake City, UT.  

Poser, E. A. 2 , J. E. Saros 1 , A. P. Wolfe, and S. J. Interlandi. 2003. Synchronous shifting sedimentary diatom assemblages and nutrient ratios in an alpine lake. Meeting of the American Society of Limnology and Oceanography, Salt Lake City, UT.  

Rolfhus, K.R. 1 , J.P. Hurley, and D.P. Krabbenhoft 3 . 2003. Mercury fluxes and sediment trends from inundated soils of boreal forest reservoirs. Meeting of the American Society of Limnology and Oceanography, Salt Lake City, UT.  

Sandheinrich, M. B. 1 , P. E. Drevnick 2 , J. G. Wiener 1 , B. C. Knights, and J. D. Jeramiason. 2003. Variation in reproductive hormones of male northern pike across a landscape gradient in methylmercury exposure. Meeting of the American Society of Limnology and Oceanography, Salt Lake City, UT.  

Sandheinrich, M. B. 1 , P. E. Drevnick 2 , J. G. Wiener 1 , B. C. Knights 3 , and J. D. Jeremiason. 2003. Effects of methylmercury exposure on reproductive hormones of male northern pike in Voyageurs National Park, USA. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Austin, TX.  

Saros, J. E. 1 , C. L. Osburn, and S. C. Fritz. 2003. The role of dissolved organic matter in regulating primary production in saline lakes of the Great Plains (USA). Meeting of the American Society of Limnology and Oceanography, Salt Lake City, UT.  

Saros, J.E. 1 , T.J. Michel 2 , S.J. Interlandi, and A. P. Wolfe. 2003. Resource requirements of Asterionella formosa and Fragilaria crotonensis in alpine lakes of the western U.S.: implications for recent phytoplankton community reorganizations. North American Diatom Symposium, Oct. 22-25, Islamorada, FL.  

Sutherland, D. R. 1  2003. Progress report on Heterosporis research in Wisconsin, Minnesota and the Great Lake. Annul Meeting of the Great Lakes Fish Health Committee, South Bend, IN.  

Sutherland, D. R. 1 , J. M. Kapfer 2 , and P. T. J. Johnson. 2003. The role of Ribeiroia ondatrae (Platyhelminthes: Trematoda) metacercariae in the development of malformed frogs in Minnesota and Wisconsin. Annual Meetings of the American Society of Parasitologists, Halifax, Nova Scotia.  

Sutherland, D. R. 1 , S. Marcquenski, J. Marcino, J. Lom, I. Dykova, F. Nilsen, S. Cooper 1 , W. Jahns, and J. Hoyle. 2003.  Heterosporis  sp. (Microspora): A new parasite from  Perca flavescens and  Stizostedion vitreum  in Minnesota, Wisconsin, and Lake Ontario. Percis III, Madison, WI,  

Sutherland, D. R. 1 , S. Marcquenski, J. Marcino, J. Lom, I. Dykova, F. Nilsen, S. Cooper 1 , W. Jahns, and J. Hoyle. 2003.  Heterosporis  sp. (Microspora): A new parasite from  Perca flavescens and  Stizostedion vitreum  in Minnesota, Wisconsin, and Lake Ontario. Annual Meetings of the American Society of Parasitologists, Halifax, Nova Scotia.  

Weick, S.E., T.J. Fox, J.C. Nelson 1 , J.C. Sauer, W.E. Thogmartin, M.G. Knutson 3 . 2003. Web-based applications support bird conservation planning. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Wiener, J. G. 1  2003. Mercury contamination of North American rivers: Current status and implications for management and ecological restoration. Great Rivers as Attractors of Local Civilization, Assiut, Egypt, October 12-14, 2003.  

Wiener, J. G. 1 , M. B. Sandheinrich 1 , K. R. Rolfhus 1 , B. C. Knights 3 , J. D. Jeremiason, D. R. Engstrom, M. E. Brigham, L. G. Woodruff, W. F. Cannon, L. W. Kallemeyn, and B. A. Monson. 2003. Mercury in northern Minnesota lakes: sources, accumulation in aquatic organisms, and potential adverse effects. ManOMin (Manitoba, Ontario, Minnesota) Watershed Conference, International Falls, MN  

Wiener, J. G. 1 , J. D. Jeremiason, B. C. Knights, K. R. Rolfhus 1 , and M. B. Sandheinrich 1 . 2003. Connected wetlands influence methylmercury concentrations in lacustrine food webs in the Voyageurs National Park (Minnesota, USA). Meeting of the American Society of Limnology and Oceanography, Salt Lake City, UT.  

Wiener, J. G. 1 , M. B. Sandheinrich 1 , K. R. Rolfhus 1 , B. C. Knights 3 , J. D. Jeremiason, D. R. Engstrom, M. E. Brigham, L. G. Woodruff, W. F. Cannon, L. W. Kallemeyn, B. A. Monson, 2003. Mercury in northern Minnesota lakes: sources, accumulation in aquatic organisms, and potential adverse effects. ManOMin (Manitoba, Ontario, Minnesota) Watershed Conference, International Falls, MN.  

Wigdahl, C. 2  and J.E. Saros 1 . 2003. The effects of ultraviolet radiation on plankton in alpine lakes. National Council on Undergraduate Research, April 15-17, Indianapolis, IN.  

Ziegeweid, J. 2  and K.R. Rolfhus 1 . 2003. The use of stable isotopes for the determination of diffusion coefficients for inorganic mercury Annual Meeting of the National Conference on Undergraduate Research (NCUR 2003), Salt Lake City, UT.  

Ziegler, S.J., J. Rohweder 1 , and R.A. Hrabik. 2003. Decision support system for aquatic resources in the middle Mississippi River. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Michel, T. J. 2 , J. E. Saros 1 , and S. J. Interlandi. 2002. Possible links between increased precipitation and shifts in diatom community structure in alpine lakes. Meeting of the American Society of Limnology and Oceanography, Victoria, British Columbia.  

Doyle, S.A. 2 , J. E. Saros 1 , and S. J. Interlandi. 2002. Phytoplankton distribution in alpine lakes in relation to nutrients and light. Meeting of the American Society of Limnology and Oceanography, Victoria, British Columbia.  

Sutherland, D. R. 1 , J. M. Kapfer 2 , M. J. Lannoo, and M. G. Knutson 3 . 2002. The role of  Ribeiroia ondatrae  (Platyhelminthes: Trematoda) metacercariae in the development of malformed frogs in Minnesota and Wisconsin. Minnesota Water 2002 and the Minnesota Lakes and Rivers Conference, St. Cloud, MN.  

Kapfer, J. M. 2 , M. B. Sandheinrich 1 , and M. G. Knutson 3 . 2002. Effects of agricultural pond water on survival of anurans in the upper Midwest. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Bly, B. L. 2 , D. A. Jobe, M. B. Sandheinrich 1 , M. G. Knutson 3 , B. R. Gray 3 , and S. Weick. 2002. Flow cytometry as a tool for detecting genotoxic effects in amphibians breeding in southeastern Minnesota farm ponds. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Weick, S., M. G. Knutson 3 , W. B. Richardson, M. B. Sandheinrich 1 , D, R. Sutherland 1 , and J. Parmelee. 2002. Farm ponds as critical habitats for amphibians. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Cripps, M. 3 , B. Johnson 3 , M. B. Sandheinrich 1 , R. J. Haro 1 , A. Elfessi, and T. Koel. 2002. Ecosystem factors influencing fish species richness within aquatic habitats of the upper Mississippi River. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Kapfer, J. M. 2 , M. B. Sandheinrich 1 , and M. G. Knutson 3 . 2002. Effects of agricultural pond water on survival of embryo and larval anurans. Annual Meeting of the Midwest Chapter of the Society of Environmental Toxicology and Chemistry, Duluth, MN.  

Drevnick, P. E. 2 , and M. B. Sandheinrich 1 . 2002. Effects of dietary methylmercury on reproductive physiology of fathead minnows. Annual Meeting of the Midwest Chapter of the Society of Environmental Toxicology and Chemistry, Duluth, MN.  

Miller, K. M. 2 , and M. B. Sandheinrich 1 . 2002. Effects of dietary methylmercury on reproductive behavior of male fathead minnows. Annual Meeting of the Midwest Chapter of the Society of Environmental Toxicology and Chemistry, Duluth, MN.  

Hammerschmidt, C. R. 2 , M. B. Sandheinrich 1 , R. G. Rada 1 , and J. G. Wiener 1 . 2002. Effects of dietary methylmercury on reproduction of fathead minnows. Annual Meeting of the American Chemical Society, Orlando, FL.  

Kapfer, J. M. 2 , M. B. Sandheinrich 1 , and M. G. Knutson 3 . 2001. Effects of agricultural pond water on survival of embryo and larval anurans. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Baltimore, MD.  

Drevnick, P. E. 2 , and M. B. Sandheinrich 1 . 2001. Effects of dietary methylmercury on reproductive physiology of fathead minnows. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Baltimore, MD.  

Annen, C. A. 2 , R. W. Tyser 1 , E. M. Kirsch 3 . 2002. Effects of Vantage (Sethodydim) on seed head density and biomass of reed canary grass ( Phalaris arundinacea L.). Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Erickson, M.J. 2 , C. J. Berlin 1 , and R. W. Tyser 1 . 2002. Use of satellite remote sensing for detecting total suspended solids in Pools 4, 8, 13, and 26 of the Upper Mississippi River. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Berlin, C. 1  2002. Investigation of IKONOS satellite images for land cover assessment. American Society of Photogrammetry and Remote Sensing (ASPRS)-American Congress of Surveying and Mapping (ACSM) Conference and Technology Exhibition, Washington, DC.  

Berlin, C. 1 , and P. Joria. 2002. Investigation of IKONOS images for land cover assessment of upper Mississippi River System. Annual Meeting of Association of American Geographers, Los Angeles, CA.  

Gray, B. 3 , J. Sauer, J. Rogala, and R. J. Haro 1 . 2002. Modeling mayfly monitoring data from the Upper Mississippi River as a function of ecological predictors. Environmental Monitoring and Assessment Program Symposium, Washington, DC.  

Wiener, J. G. 1 , M. B. Sandheinrich 1 , J. D. Jeremiason, and B. C. Knights. 2002. Ecosystem characteristics affecting mercury concentrations in fish in lakes of Voyageurs National Park, Minnesota. International Association for Great Lakes Research, Winnipeg, Manitoba.  

Sandheinrich, M. B. 1  2002. The role of behavior in aquatic toxicology: Endpoint, mediator, and indicator. Annual Meeting of the Society of Behavioral Toxicology, Durham, NC. Invited presentation.  

Jeremiason, J. D., B. C Knights, J. G. Wiener 1 , and M. B. Sandheinrich 1 . 2002. Methylmercury sources to Minnesota lakes. Minnesota Water 2002 and Minnesota Lakes and Rivers Conference, St. Cloud, MN.  

Bratina, B. 1 , C. Galer 2 , W.B. Richardson 3 , E.A. Strauss 3 . 2001. Distribution of bacteria involved in denitrification and ammonia oxidation in the upper Mississippi river. Presentation at 49th Annual Meeting of the North American Benthological Society. June 7, 2001, La Crosse, WI.  

Brumbaugh, W. G., D. P. Krabbenhoft 3 , D. R. Helsel, and J. G. Wiener 1 . 2001. USGS national pilot study of mercury contamination of aquatic ecosystems along multiple gradients: bioaccumulation in fishes. Fate, Transport, and Transformation of Mercury in Aquatic and Terrestrial Environments, West Palm Beach, FL.  

Wiener, J. G. 1  2001. Evolution of a contaminant problem: mercury in freshwater fish. Fate, Transport, and Transformation of Mercury in Aquatic and Terrestrial Environments, West Palm Beach, FL.  

Wiener, J. G. 1  2001. Methylmercury in freshwater fish: patterns in contamination and processes affecting bioaccumulation. Symposium on Methylmercury Impacts on Wildlife and Human Health, Charleston, SC.  

Gowda, P. H. and R. J. Haro 1 . 2001. An integrated ecological and socioeconomic approach to evaluating and reducing agricultural impacts on Upper Mississippi River watersheds. Water and Watersheds Program Progress Review, National Center for Environmental Research, San Francisco, CA.  

Krabbenhoft, D. P. 3 , J. G. Wiener 1 , and W. G. Brumbaugh. 2001. Mercury loading and transformations in aquatic ecosystems and its bioaccumulation in fishes: What can we say from a national perspective? Symposium on Methylmercury Impacts on Wildlife and Human Health, Charleston, SC., Kapfer, J. M. 2 , M. B. Sandheinrich 1 , and M. Knutson 3 . 2001. Effects of agricultural pond water on survival of embryo and larval anurans. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Baltimore, MD.  

Drevnick, P. E. 2 , and M. B. Sandheinrich 1 . 2001. Effects of dietary methylmercury on reproductive physiology of fathead minnows. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Baltimore, MD.  

Jones, S. N. 2 , Haro, R. J. 1  and J. E. Cavanaugh 2 . 2001. Effect of periphyton level on conspecific case-mounting behavior among larval  Glossosoma intermedium (Trichoptera: Glossosomatidae). Annual Meeting of the North American Benthological Society, La Crosse, WI.  

Cavanaugh, J. C. 2 and R. J. Haro. 1  2001. Conspecific cases as alternative grazing surfaces for  Glossosoma intermedium . Annual Meeting of the North American BenthologicalSociety. La Crosse, WI.  

Cavanaugh, J. C. 2 , J. E. Saros 1 , and R. J. Haro. 1  2001. Temporal changes in diatom community structure in two heavily grazed microhabitats: stream-bed substrates and caddisfly cases. Annual Meeting of the Ecological Society of America, Madison, WI.  

Kalish, T. G. 2  and R. J. Haro. 1  2001. Effects of emergence time on food availability of brown trout,  Salmo trutta , fry. Annual Meeting of the North American Benthological Society, La Crosse, WI.  

Kapfer, J. M. 2 , M. B. Sandheinrich 1 , and M. Knutson 3 . 2001. Effects of agricultural pond water on survival of embryo and larval anurans. Annual Meeting of the Midwest Chapter of the Society of Environmental Toxicology and Chemistry, Racine, WI.  

Drevnick, P. E. 2 , and M. B. Sandheinrich 1 . 2001. Effects of dietary methylmercury on reproductive physiology of fathead minnows. Annual Meeting of the Midwest Chapter of the Society of Environmental Toxicology and Chemistry, Racine, WI.  

Sutherland, D.R. 1  and J.M. Kapfer. 2  2001. Larval trematodes (Digenea) infecting frogs in Minnesota and Wisconsin. Annual Frog Malformation Workshop, Minnesota Pollution Control Agency and U.S. Geological Survey, St. Paul, MN.  

Sutherland, D. 1 , S. Marcquenski, J. Marcino, J.Lom, H. Hsu, W. Jahns, and F. Nilsen. 2000. Heterosporis  sp. (Microspora: Pleistophoridae): A new parasite from  Perca   flavescens  in Wisconsin and Minnesota. 62 nd  Midwest Fish and Wildlife Conference, St. Paul, MN.  

Sutherland, D.R. 1 , and J.M. Kapfer. 2  2000. Do parasites play a role in the development of deformed frogs in Minnesota and Wisconsin? Annual Meeting of the Bureau of Watershed Management, Wisconsin Department of Natural Resources, Appleton, WI.  

Gerber, D. T. 1 . 2000. Introduction to wetland vegetation. Beginning and Advanced Wetland Delineation Workshops. University of Wisconsin Extension, Door County, WI.  

Saros, J.E. 1 , T. Michel 2 , S.J. Interlandi, and A.P. Wolfe. 2001. Recent and rapid shifts in the diatom community structure of lakes in the Beartooth Mountains (MT/WY). North American Diatom Symposium, Ely, MN.  

Dean, D.A. 2 , J.E. Saros 1 , & S.J. Interlandi. 2000. Developing a diatom calibration set to explore the effects of enhanced atmospheric nitrogen deposition on alpine lakes in the Beartooth Mountains (MT/WY). Annual meeting of the American Society of Limnology & Oceanography, Albuquerque, NM. (Winner of the second place award for Best Undergraduate Poster).  

Saros, J. E. 1 , & S. C. Fritz. 2000. Combining neo- and paleolimnological techniques to explore the relationship between diatom distributions and brine type in saline lakes. Annual meeting of the American Society of Limnology & Oceanography, Copenhagen, Denmark.  

Hammerschmidt, C. R. 2 , M. B. Sandheinrich 1 , R. G. Rada 1 , and J. G. Wiener 3 . 1999. Effects of methylmercury on the reproductive success of fathead minnows. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Philadelphia, PA.  

Doran, W. J. 2 , W. G. Cope 3 , R. G. Rada 1 , M. B. Sandheinrich 1 , D. L. Waller 3 , and S. T. Cooper 1. 1999. Effect of chlorpyrifos on acetylcholinesterase activities of the unionid mussel  Amblema plicata. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Philadelphia, PA.  

Bartsch, M. R., D. L. Waller 3 , G. Cope 3 , H. L. Dunn, S. Jennings, and R. G. Rada 1 . 1999. Preserving the biodiversity of unionid mussels in the St. Croix River by development of  in situ refugia. . St. Croix Research Rendezvous, Marine on St. Croix, MN.  

Miesbauer, J. 2 , D. R. Deuschle 2 , and R. J. Haro 1 . 1999. Movement patterns of a larval caddisfly over tile and sand substrates in artificial flumes. Annual Meeting of the Minnesota Academy of Science, St. Paul, MN.  

Deuschle, D. R. 2 , and R. J. Haro 1 . 1999. Temporal responses of macroinvertebrate riffle communities to deposited sediments and a dominant herbivore. Annual Meeting of the North American Benthological Society, Duluth, MN.  

Burgess, A. F. 2 , R. J. Haro 1 , R. J. and P. H. Gowda 3 . 1999. Relationships between watershed sediment delivery rates and local macroinvertebrate community structure. Annual Meeting of the North American Benthological Society, Duluth, MN.  

Wasley, D. M. 2 , D. M. Soballe 3 , D. R. Deuschle 2 , and R. J. Haro 1 . 1999. Nitrogen mass balance budget for the Upper Mississippi River. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Dieck, J. J. 2 , and R. W. Tyser 1 . 1999. Changes in vegetation from 1975 to 1996 in backwaters of Navigation Pools 4 and 13. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Collins, M. J. 2 , D. R. Sutherland 1 , B. A. Lassee 3 , S. T. Cooper 1 , and D. Waller 3 . 1999. Assessing the risk of  Myxobolus cerebralis , the causative agent of salmonid whirling disease, becoming established in the Great Lakes region. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Deuschle, D. R. 2 , and R. J. Haro 1 . 1999. Terminal body size for  Glossosoma intermedium (Trichoptera: Glossosomatidae): Variation within and among populations from southwestern Wisconsin streams. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Hammerschmidt, C. R. 2 , M. B. Sandheinrich 1 , R. G. Rada 1 , and J. G. Wiener 3 . 1999. Effects of methylmercury on the reproductive success of fathead minnows. Joint Meeting of American Water Resources Association-Wisconsin Section and Midwest Chapter of Society of Environmental Toxicology and Chemistry, La Crosse, WI.  

Burgess, A. F. 2 , R. J. Haro 1 , and P. H. Gowda 3 . 1999. Ordination of local macroinvertebrate community structure across gradients of watershed area and sediment delivery rate. Joint Meeting of American Water Resources Association-Wisconsin Section and Midwest Chapter of Society of Environmental Toxicology and Chemistry, La Crosse, WI.  

Doran, W. J. 2 , W. G. Cope 3 , R. G. Rada 1 , M. B. Sandheinrich 1 , D. L. Waller 3 , and S. T. Cooper 1. 1999. Effect of chlorpyrifos on acetylcholinesterase activities of the unionid mussel  Amblema plicata. Joint Meeting of American Water Resources Association-Wisconsin Section and Midwest Chapter of Society of Environmental Toxicology and Chemistry, La Crosse, WI.  

Wasley, D. M. 2 , D. M. Soballe 3 , D. R. Deuschle 2 , and R. J. Haro 1 . 1999. Regional and seasonal variation of nitrogen loads in Upper Mississippi River tributaries. Joint Meeting of American Water Resources Association-Wisconsin Section and Midwest Chapter of Society of Environmental Toxicology and Chemistry, La Crosse, WI.  

Sutherland, D. R. 1  1999. Low levels of frog deformities in the Upper Mississippi River valley and lack of correlation with trematode metacercariae in malformed frogs. Joint Meeting of American Water Resources Association-Wisconsin Section and Midwest Chapter of Society of Environmental Toxicology and Chemistry, La Crosse, WI.  

Collins, M. 2 , D. R. Sutherland 1 , S. T. Cooper 1 , B. A. Lasee 3 , and D. L. Waller 3 . 1999. Assessing the risk of whirling disease becoming established in the Great Lakes region. Annual Whirling Disease Symposium, Missoula, MT.  

Sutherland, D. R. 1  1998. Parasites of frogs from the Upper Mississippi River Valley. Mechanisms of Developmental Disruption in Amphibians sponsored by the National Science Foundation and hosted by the San Diego Zoological Society, San Diego, CA.  

Gowda 1 , P. H., A. D. Ward, D. A. White, D. B. Baker, and T. J. Logan. 1998. Modeling drainage practice impacts on the quantity and quality of stream flows for an agricultural watershed in Ohio. 7th International Drainage Symposium, ASAE, Orlando, FL.  

Doran, W. J. 2 , W. G. Cope 3 , R. G. Rada 1 , M. B. Sandheinrich 1 , D. L. Waller 3 , and S. T. Cooper 1. 1998. Effect of chlorpyrifos on acetylcholinesterase activities of the unionid mussel  Amblema plicata. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Charlotte, NC.  

Hammerschmidt, C. R. 2 , M. B. Sandheinrich 1 , R. G. Rada 1 , and J. G. Wiener 3 . 1998. Effects of methylmercury on the reproductive success of fathead minnows. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Charlotte, NC.  

Greseth, S. L. 2 , R. G. Rada 1 , D. L. Waller 3 , M. R. Barsch, and W. G. Cope 3 . 1998. Sublethal effects of emersion on three species of unionid mussels. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Charlotte, NC.  

Wiener, J. G. 3 , B. E. Frazier 1 , R. G. Rada 1 , P. J. Garrison, and S. Engel. 1998. Mercury accumulation in fish in response to whole-lake alkalization by groundwater addition. Annual Meeting of the American Fisheries Society, Hartford, CT.  

Deuschle, D. R. 2 , K. J. McElroy 2 , and R. J. Haro 1 . 1998. Influence of nonpoint source sedimentation on  Glossosoma  spp. (Trichoptera: Glossosomatidate) foraging behavior in southwestern Wisconsin streams. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.>  

Bartsch, L. A. 3 , W. R. Richardson 3 , and M. B. Sandheinrich 1 . 1998. Bioenergetic effects of zebra mussels on larval fish: An experimental test of the trophic bottleneck hypothesis. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Carter, L. L. 2 , B. J. Dalzell 2 , and D. R. Sutherland 1 . 1998. The potential role of parasites in the development of deformed frogs. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Dieck, J. J. 2 , and R. W. Tyser 1 . 1998. Changes in vegetation from 1975 to 1996 in backwaters of navigation pools 4 and 13, upper Mississippi River. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Greseth, S. L. 2 , R. G. Rada 1 , D. L. Waller 3 , M. R. Bartsch, and W. G. Cope 3 . 1998. Changes in nutritional status in  Lampsilis cardium, Quadrula pustulosa and  Elliptio dilatata  exposed to air. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Wasley, D. M. 2 , D. M. Soballe 3 , and R. J. Haro 1 . 1998. Seasonal and annual variations of nitrogen loads in pools eight and thirteen of the upper Mississippi River. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Greseth, S. L. 2 , R. G. Rada 1 , D. L. Waller 3 , M. R. Barsch, and W. G. Cope 3 . 1998. Sublethal effects of emersion on three species of unionid mussels. Annual Meeting of the Midwest Chapter of Society of Environmental Toxicology and Chemistry, Chicago, IL.  

Doran, W. J. 2 , M. B. Sandheinrich 1 , R. G. Rada 1 , W. G. Cope 3 , D. L. Waller 3 , and S. T. Cooper 1. 1998. Effect of chlorpyrifos on acetylcholinesterase activities of the unionid mussel  Amblema plicata at 15 C. Annual Meeting of the Midwest Chapter of Society of Environmental Toxicology and Chemistry, Chicago, IL.  

Duerst, J. 2  , and M. B. Sandheinrich 1 . 1998. Effects of methylmercury on swimming behavior of fathead minnows. Annual Meeting of the Midwest Chapter of Society of Environmental Toxicology and Chemistry, Chicago, IL.  

Hammerschmidt, C. R. 2 , B. E. Frazier 1 , J. G. Wiener 3 , and R. G. Rada 1 . 1998. Effects of mercury on the reproductive success of fathead minnows. Annual Meeting of the Midwest Chapter of Society of Environmental Toxicology and Chemistry, Chicago, IL.  

Hammerschmidt, C. R. 2 , B. E. Frazier 1 , J. G. Wiener 3 , and R. G. Rada 1 . 1998. Factors affecting the mercury content of eggs frim gravid yellow perch in four Wisconsin lakes. Annual Meeting of the Wisconsin Section of the American Water Resources Association, Green Lake, WI.  

Waller, D. L. 3 , M. R. Bartsch, S. Jennings, H. L Dunn, W. G. Cope 3 , and R. Rada 1 . 1997. Development of  in situ  refugia for the conservation of unionid mussels. Midwest Fish and Wildlife Conference, Milwaukee, WI.  

Waller, D. L. 3 , M. R. Bartsch, S. Jennings, H. L Dunn, W. G. Cope 3 , and R. Rada 1 . 1997. Conservation of unionid mussels in the St. Croix River: Monitoring in situ  refugia. St. Croix Research Rendezvous, Marine on St. Croix, MN.  

Hammerschmidt, C. R. 2 , B.E. Frazier 1 , J. G. Wiener 3 , and R. G. Rada 1 . 1997. Factors affecting the mercury content of eggs from gravid yellow perch in four Wisconsin lakes. Annual Meeting of the Society of Environmental Toxicology and Chemistry, San Francisco, CA.  

Rabuck, L. D. 2 , M. B. Sandheinrich 1 , R. G. Rada 1 , and J. G. Wiener 3 . 1997. Bioaccumulation of mercury in fathead minnows receiving a naturally contaminated diet. Annual Meeting of the Society of Environmental Toxicology and Chemistry, San Francisco, CA.  

Greseth, S. G. 2 , W. G. Cope 3 , R. G. Rada 1 , M. R. Bartsch, and D. L. Waller 3 . 1997. Sublethal effects of acclimation temperature, exposure temperature, and duration of exposure on three species of unionid mussels. Annual Meeting of the Society of Environmental Toxicology and Chemistry, San Francisco, CA.  

Doran, W. D. 2 , M. B. Sandheinrich 1 , R. G. Rada 1 , D. L. Waller 3 , W. G. Cope 3 . 1997. Effect of chlorpyrifos on acetylcholinesterase activity in  Amblema plicata at 15 and 25 o C. Annual Meeting of the Society of Environmental Toxicology and Chemistry, San Francisco, CA.  

Cope, W, G. 3 , M. R. Bartsch, R. G. Rada 1 , S. J. Balogh, J. E. Rupprect, R. D. Young, and D. K. Johnson. 1997. Use of zebra mussels ( Dreissena polymorpha ) to assess cadmium, mercury, polychlorinated biphenyls, and pesticides in the Upper Mississippi River. Annual Meeting of the Society of Environmental Toxicology and Chemistry, San Francisco, CA.  

Sandheinrich, M. B. 1 , S. D. Whitney 2 , M. H. Hoff, and R. G. Rada 1 . 1997. Effects of maternally transferred mercury on the hatching success, survival and growth of embryo and larval walleye. Annual Meeting of the Society of Environmental Toxicology and Chemistry, San Francisco, CA.  

Gowda, P. H. 1 , T. Owens, J. G. Lyon, and Y. Yin. 1997. Evaluation of high resolution airborne hyperspectral scanner for mapping floodplain vegetation in the Upper Mississippi River System. 29th Annual Meeting of Mississippi River Research Consortium. La Crosse, WI.  

Gaugush, R. F., J. T. Rogala, H. DeHaan, and P. H. Gowda 1 . 1997. Sediment research and monitoring activities on the Upper Mississippi River System as part of the Long Term Research and Monitoring Program. USGS workshop "Expanding Sediment research Capabilities in Today's USGS." Washington D.C. 

Marley, K. L. 2 , W. B. Richardson 3  , and M. B. Sandheinrich 1 . 1997. Secondary production of Hyalella azteca  as influenced by  Dreissena polymorpha , larval fish, and nutrients. Annual Meeting of the North American Benthological Society, San Marcos, TX.  

Haro, R. J. 1 , C. Richards, L. B. Johnson and G. Host. 1997. Catchment and stream-reach properties as indicators of macroinvertebrate species traits. Annual Meeting of the North American Benthological Society, San Marcos, TX.  

Marley, K. L. 2 , W. B. Richardson 3 , and M. B. Sandheinrich 1 . 1997. Secondary production of Hyalella azteca  as influenced by  Dreissena polymorpha , larval fish, and nutrients. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Kinsella, M. J. 2 , M. B. Sandheinrich 1 , and W. B. Richardson 3 . 1997. Effects of food limitation by zebra mussels ( Dreissena polymorpha ) and fish predation on life history characteristics of Daphnia   pulex . Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Rabuck, L. D. 2 , M. B. Sandheinrich 1 , R. G. Rada 1 , and J. G. Wiener 3 . 1997. Bioaccumulation of mercury in fathead minnows fed a naturally-contaminated diet. Annual Meeting of the Midwest Chapter of the Society of Environmental Toxicology and Chemistry, Green Bay, WI.  

Hammerschmidt, C. R. 2 , B. E. Frazier 1 , J. G. Wiener 3 , and R. G. Rada 1 . 1997. Factors affecting the mercury content of eggs from gravid yellow perch in four Wisconsin lakes. Annual Meeting of the Midwest Chapter of the Society of Environmental Toxicology and Chemistry, Green Bay, WI.>Sandheinrich, M. B. 1 , S. D. Whitney 2 , M. H. Hoff, and R. G. Rada 1 . 1997. Effects of maternally transferred mercury on the hatching success, survival and growth of embryo and larval walleye. Annual Meeting of the Midwest Chapter of the Society of Environmental Toxicology and Chemistry, Green Bay, WI.  

Cope, W. G. 3 , M. R. Bartsch, R. G. Rada 1 , S. J. Balogh, J. E. Rupprecht, R. D. Young, and D. K. Johnson. 1997. Use of zebra mussels ( Dresssena polymorpha ) to assess cadmium, mercury, polychlorinated biphenyls, and pesticides in the upper Mississippi River. Annual Meeting of the Midwest Chapter of the Society of Environmental Toxicology and Chemistry, Green Bay, WI.  

Wiener, J. G. 3 , R. G. Rada 1 , B. E. Frazier 1 , and S. Engel. 1997. Mercury accumulation in yellow perch in a Wisconsin seepage lake after alkalization by groundwater addition. Annual Meeting of the Midwest Chapter of the Society of Environmental Toxicology and Chemistry, Green Bay, WI.  

Greseth, S. L. 2 , W. G. Cope 3 , R. G. Rada 1 , M. R. Bartsch, and D. L. Waller 3 . 1997. Sublethal effects of acclimation temperature, exposure temperature, and duration of exposure on three species of unionid mussels. Annual Meeting of the Midwest Chapter of the Society of Environmental Toxicology and Chemistry, Green Bay, WI.  

Monroe, E. M., T. J. Naimo 3 , and R. G. Rada 1 . 1997. Modification of the alkaline digestion and phenol-sulfuric acid method for the determination of glycogen in aquatic invertebrates. Annual Meeting of the Midwest Chapter of the Society of Environmental Toxicology and Chemistry, Green Bay, WI.>Stefanik, E. L. 2 , and M. B. Sandheinrich 1 . 1997. Comparison of spawning and alevin emergence periods between populations of wild and domestic brown trout. Annual Meeting of the Wisconsin Chapter of the American Fisheries Society.  

Gowda, P. H. 1 , A. D. Ward, D. A. White, and J. G. Lyon. 1996. Using GIS with a field scale model to describe agricultural impacts on Rock Creek watershed. Paper No. 96-3090. Presented at The ASAE Annual meeting, Phoenix, AZ. (research conducted at The Ohio State University)  

Haro, R. J. 1 , G. Host and C. Richards. 1996. Estimating the effect of catchment geology and land use on the Index of Biological Integrity.  Invited presentation . Annual Meeting of the American Fisheries Society, Detroit, MI.  

Sutherland, D. R. 1  1996. Metazoan parasite assemblages of commercially caught channel catfish ( Ictalurus punctatus ) from the Upper Mississippi River. Annual Meeting of the Fish Health Section of the American Fisheries Society, Madison, WI.  

Sutherland, D. R. 1  1996. Experiences of a fish parasitologist in Guyana, South America.  Invited address . Annual Meeting of the Fish Health Section of the American Fisheries Society, Madison, WI.  

Cope, W. G. 3 , M. R. Bartsch, D. L. Waller, H. L. Dunn, and R. G. Rada 1 . 1996. Conservation of unionid mussels in the St. Croix River: development of  in situ refugia. Annual St. Croix River Research Rendezvous. Marine on St. Croix, MN.  

Caldwell, C. A. 3  , V. Burden 2 , M. B. Sandheinrich 1 , and K. A. Phillips 2 . 1996. Performance capacity and behavior of rainbow trout subjected to sub-lethal lead concentrations. International Congress on the Biology of Fishes, San Francisco, CA.  

Wiener, J. G. 3 , B. E. Frazier 1 , and R. G. Rada 1 . 1996. Stratigraphy and recent deposition of mercury in sediments of the Sudbury River.  Invited paper , Annual Meeting of Society of Environmental Toxicology and Chemistry, Washington, DC.  

Wiener, J. G. 3 , R. G. Rada 1 , B. E. Frazier 1 , and D. R. Engstrom. 1996. Stratigraphy of mercury in depositional sediments in the contaminated Sudbury River (Massachusetts, USA). Fourth International Conference on Mercury as a Global Pollutant, Hamburg, Germany.  

Wiener, J. G. 3 , R. G. Rada 1 , B. E. Frazier 1 , and S. Engel. 1996. Mercury accumulation in yellow perch in a Wisconsin (USA) seepage lake after alkalization by groundwater addition. Fourth International Conference on Mercury as a Global Pollutant, Hamburg, Germany.  

Richardson, W. B. 3 , L. A. Bartsch, and M. B. Sandheinrich 1 . 1996. A non-endemic suspension-feeding invertebrate ( Dreissena polymorpha ) interacts with hydraulic turbulence to exert a trophic bottleneck on larval cyprinids ( Pimephales promelas ). Annual Meeting of the American Society of Ichthyology and Herpetology, New Orleans, LA.  

Richardson, W. B. 3 , L. A. Bartsch, and M. B. Sandheinrich 1 . 1996. Interactive effects of Dreissena polymorpha  and turbulence on growth and survival of a larval cyprinid fish (Pimephales promelas ). Annual Meeting of the North American Benthological Society, Billings, MT.  

Rabuck, L. D. 2 , M. B. Sandheinrich 1 , J. G. Wiener 3 , and R. G. Rada 1 . 1996. Maternally transmitted mercury: effects on embryo and larval fish survival and growth as a function of maternal diet during oogenesis. Annual Meeting of the Midwest Chapter of the Society of Environmental Toxicology and Chemistry, Duluth, MN.  

Burden,V. 2 , M. B. Sandheinrich 1 , and C. A. Caldwell 3 . 1996. Assessment of whole body ALA-D concentrations in juvenile rainbow trout: methods development. Annual Meeting of the Midwest Chapter of the Society of Environmental Toxicology and Chemistry, Duluth, MN.  

Bartels, A. D. 2 , S. J. Gutreuter 3 , and M. B. Sandheinrich 1 . 1996. A test of an aspect of the flood-pulse concept of river ecology based on a model of fish growth. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Richardson, W. B. 3 , L. A. Bartsch, and M. B. Sandheinrich 1 . 1996. Growth of larval fish (Pimephales promelas)  is significantly reduced in the presence of zebra mussels and turbulence. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Tyser, R. W. 1 , T W. Owens, S. J. Rogers, and L. R. Robinson. 1996. GIS-based detection of vegetation changes in backwater areas of Pool No. 8. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Tyser, R. W. 1 , T W. Owens, S. J. Rogers, and L. R. Robinson. 1996. Aquatic vegetation changes in backwater areas of Navigation Pool No. 8, Upper Mississippi River. Annual Landscape Ecology Symposium, Galveston, TX.  

Garrison, P. J., T. Asplund, L Cleckner, S. Engel, R. G. Rada 1 , W. A. Rose, J. G. Wiener 3 . 1996. The artificial alkalization of an acidic lake by groundwater addition. Annual meetings of the Wisconsin Section of the American Water Resources Association, Minocqua, WI.  

Phillips, K. A. 2 , C. A. Caldwell 3 , and M. B. Sandheinrich 1 . 1995. Stress response of lead-exposed rainbow trout  (Oncorhynchus mykiss)  during swimming performance and hypoxia challenges. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Vancouver, British Columbia, Canada. 

Burden, V. 2 , M. B. Sandheinrich 1 , and C. A. Caldwell 3 . 1995. Assessment of whole body ALA-D concentrations in juvenile rainbow trout: methods development. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Vancouver, British Columbia, Canada.  

Bartsch, M. R. 2 , W. G. Cope 3 , R. G. Rada 1 . 1995. Bioturbation and bioaccumulation of cadmium by nymphs of the burrowing mayfly  Hexagenia bilineata  exposed to cadmium-spiked sediment. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Vancouver, British Columbia, Canada.  

Wiener, J. G. 3 , B. E. Frazier 1 , and R. G. Rada 1 . 1995. Stratigraphy of mercury in depositional sediments in the contaminated Sudbury River, eastern Massachusetts. Mercury Pollution in the Upper Great Lakes Region: A Conference on mercury research in Michigan, Minnesota, Wisconsin, and Ontario, St. Paul, Minnesota.  

Powell, D. E. 1 , R. G. Rada 1 , J. G. Wiener 3 , and G. J. Atchison. 1995. Metal accumulation by fish in an experimentally acidified lake: contrasts between mercury and cadmium. Mercury Pollution in the Upper Great Lakes Region: A Conference on mercury research in Michigan, Minnesota, Wisconsin, and Ontario, St. Paul, MN.  

Cope, W. G. 3 , M. R. Bartsch, and R. Hayden 2 . 1995. Population dynamics of zebra mussels in the upper Mississippi River three years after invasion. Fifth International Zebra Mussel Conference, Toronto, Canada.  

Cope, W. G. 3 , R. R. Hayden 2 , and M. R. Bartsch. 1995. Differences in shell morphology between a riverine and lacustrine population of zebra mussels. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Phillips, K. A. 2 , C. A. Caldwell 3 , and M. B. Sandheinrich 1 . 1995. Effects of chronic lead exposure on the stress response of rainbow trout ( Oncorhynchus mykiss ) during swimming performance and hypoxia challenge tests. Annual Meeting of the Midwest Regional Chapter of the Society of Environmental Toxicology and Chemistry, Baraboo, WI.  

Bartsch, M. R. 2 , W. G. Cope 3 , and R.G. Rada 1 . 1995. Bioaccumulation of cadmium by nymphs of the burrowing mayfly  Hexagenia bilineata  exposed to cadmium-spiked sediment. Annual Meeting of the Midwest Regional Chapter of the Society of Environmental Toxicology and Chemistry, Baraboo, WI.  

Powell, D. E. 1 , R. G. Rada 1 , J. G. Wiener 3 , and G. J. Atchison. 1995. Metal accumulation by fish in an experimentally acidified lake: contrasts between mercury and cadmium. Annual Meeting of the Midwest Regional Chapter of the Society of Environmental Toxicology and Chemistry, Baraboo, WI.>Bartsch, M. R. 2 , W. G. Cope 3 , and R.G. Rada 1 . 1995. Bioaccumulation of cadmium by nymphs of the burrowing mayfly  Hexagenia bilineata  as an indicator of exposure to sediment-associated cadmium. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Hausler, M. C. .2 , W. B. Richardson 3 , and L. A. Bartsch. 1995. Experimental analysis of the impact of water movement and macrophytes on northern pike ( Esox lucius ) growth and food web interactions. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Powell, D. E. 1 , R. G. Rada 1 , J. G. Wiener 1 , and G. J. Atchison. 1994. Cadmium accumulation by fish in an experimentally acidified seepage lake: contrasts with mercury. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Denver, CO.  

Brewer, S. K. 2 , T. O. Claflin 1 , and M. B. Sandheinrich 1 . 1994. Comparisons between community structure of benthic macroinvertebrates in 1975 and 1990 in Navigation Pool 8, upper Mississippi River. International Conference on Sustaining the Ecological Integrity of Large Floodplain Rivers: Application of Ecological Knowledge to River Management, La Crosse, WI.  

Fischer, J. R. 2  and T. O. Claflin 1 . 1994. Differences in biomass and frequency of occurrence of aquatic macrophytes between 1975 and 1991 in Pool 8, upper Mississippi River. International Conference on Sustaining the Ecological Integrity of Large Floodplain Rivers: Application of Ecological Knowledge to River Management, La Crosse, WI.  

Maurer, W. R. 2 , T. O. Claflin 1 , and R. G. Rada 1 . 1994. Limnology of Lake Pepin, upper Mississippi River: nutrient budget and phytoplankton dynamics. International Conference on Sustaining the Ecological Integrity of Large Floodplain Rivers: Application of Ecological Knowledge to River Management, La Crosse, WI.  

Young, D. M. 2 , and M. R. Winfrey 1 . 1994.  In situ  induction of mercury resistance in native aquatic bacteria harboring broad and narrow spectrum  mer  operons. Annual Meeting of the American Society for Microbiology, Las Vegas, NV.  

Powell, D. E. 1 , R. G. Rada 1 , J. G. Wiener 1 , and G. J. Atchison. 1994. Metal accumulation by fish in an experimentally acidified lake: contrasts between mercury and cadmium. Annual Meeting of the Midwest Regional Chapter of the Society of Environmental Toxicology and Chemistry, La Crosse, WI.>Young, D. M. 2 , and M. R. Winfrey 1 . 1994. Quantification of mercury concentrations required for induction of mercury resistance in natural waters. Annual Meeting of the Midwest Regional Chapter of the Society of Environmental Toxicology and Chemistry, La Crosse, WI.  

Frazier, B. E. 2 , T. J. Naimo 3 , and M. B. Sandheinrich 1 . 1994. Temporal and vertical distribution of un-ionized ammonia in sediment pore water in Pool 8, upper Mississippi River. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Hausler, M. C. 2 , W. B. Richardson 3 , and L. A. Bartsch. 1994. Experimental analysis of the impact of water movement and macrophytes on juvenile bluegill ( Lepomis macrochirus ) growth and prey availability. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.>Rogaczewski, M. 2  and S. Gutreuter 3 . 1993. Effects of common carp and other fish on macroinvertebrates in a Mississippi River backwater. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Gutreuter, S. 3  and D. J. Krzoska 2 . 1993. Precision of in situ length and weight measurements of fish. Annual Meeting of the American Fisheries Society, Portland, OR.  

Sandheinrich, M. B. 1  and G. J. Atchison. 1993. Modelling bioenergetics effects of cadmium on bluegill growth. Annual meeting of the Society of Environmental Toxicology and Chemistry, Houston, TX.  

Young, D. M. 2 , E. Yanke 2 , T. Clark 2 , S. Titus 2 , and M. R. Winfrey 1 . 1993. Use of mer  operon fusions to study induction of mercury resistance in natural waters. Annual Meeting of the North Central Branch of the American Society for Microbiology, Ames, IA.  

Bellrichard, S. 2 , S. Gutreuter 3 , and M. Sandheinrich 1 . 1993. Effects of common carp (Cyprinus carpio ) on water chemistry, chlorophyll a, and aquatic macrophytes in a backwater lake in the upper Mississippi River. Annual Meeting of the American Fisheries Society. Portland, OR.  

Maurer, W. R. 2 , and R. G. Rada 1 . 1993. Phytoplankton community structure and standing crop in Lake Pepin, upper Mississippi River. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Bellrichard, S. 2 , S. Gutreuter 3 , and M. B. Sandheinrich 1 . 1993. Effects of common carp (Cyprinus carpio ) on aquatic macrophytes in a backwater lake in the upper Mississippi River. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Frazier, B. E. 2 , T. J. Naimo 3 , and M. B. Sandheinrich 1 . 1993. Temporal analysis of un-ionized ammonia concentrations in surface water and sediment porewater in Pool 8, upper Mississippi River. Specialized Conference on Contaminated Aquatic Sediments: Historical Records, Environmental Impact, and Remediation. Milwaukee, WI.  

Wiener, J. G. 3 , R. G. Rada 1 , D. E. Powell 1 , D. R. Engstrom, and J. G. Sullivan. 1993. Metal Contamination of Lake Pepin, upper Mississippi River, in historic perspective. Specialized Conference on Contaminated Aquatic Sediments: Historical Records, Environmental Impact, and Remediation. Milwaukee, WI.  

Powell, D. E. 1 , R. G. Rada 1 , and J. G. Wiener 3 . 1993. Whole-lake burdens and spatial distributions of metals in surficial sediments in Wisconsin seepage lakes: contrasts between cadmium and mercury. Accepted for presentation at the Specialized Conference on Contaminated Aquatic Sediments: Historical Records, Environmental Impact, and Remediation. Milwaukee, WI.  

Powell, D. E. 1 , R. G. Rada 1 , J. G. Wiener 3 , and G. J. Atchison. 1993. Cadmium accumulation in surface sediments of Wisconsin seepage lakes. Submitted for presentation at the meetings of the Midwest Regional Chapter of the Society of Environmental Toxicology and Chemistry, St. Paul, MN.  

Sandheinrich, M. B. 1 , G. J. Atchison, and M. B. Bryan. 1992. Cadmium effects on bluegill growth, food consumption and bioenergetics. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Cincinnati, OH.  

Bryan, M. B., G. J. Atchison, and M. B. Sandheinrich 1 . 1992. Effects of cadmium on bluegill prey choice, rate of energy gain, and patch switching efficiency when foraging on zooplankton. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Cincinnati, OH.  

Powell, D. E. 1 , R. G. Rada 1 , and J. G. Wiener 3 . 1992. Cadmium accumulation on surface sediments of Wisconsin seepage lakes. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Cincinnati, OH.  

Knights, B. C. 2 , B. L. Johnson 3 , and M. B. Sandheinrich 1 . 1992. Winter habitat of bluegill (Lepomis   macrochirus ) and black crappie ( Pomoxis   nigromaculatus ) in backwater lakes of the upper Mississippi River. Annual Meeting of the American Fisheries Society, Rapid City, SD.>Gerger, R. R. 2 , and M. S. Shields 3 . 1992. Expansion of the range of chloroaromatic compounds degraded by the trichloroethylene degrading strain  Pseudomonas cepacia  G4 5223 Phe1. Annual meeting of the American Society of Microbiology, New Orleans, LA.  

Sandheinrich, M. B 1 . 1992. Predator-prey tests in aquatic toxicology: Approaches and Perspectives.  Invited Paper.  Annual Meeting of the American Society for Testing and Materials, Pittsburgh, PA.  

Wiener, J. G. 3 , D. E. Powell 1 , and R. G. Rada 1 . 1992. Experimental manipulation of lake pH: effects on mercury accumulation in fish.  Invited paper , Special Session on Whole-Ecosystem Acidification Experiments of the Annual Meeting of the American Society of Limnology and Oceanography, Santa Fe, NM.  

Wiener, J. G. 3 , D. E. Powell 1 , and R. G. Rada 1 . 1992. Mercury accumulation in Wisconsin seepage lakes: relation to lake chemistry and acidification.  Invited paper . International Conference on Mercury as a Global Pollutant, Monterey, CA.  

Wiener, J. G. 3 , R. G. Rada 1 , and D. E. Powell 1 . 1992. Metal contamination of Lake Pepin, upper Mississippi River, in historic perspective. International Conference on Mercury as a Global Pollutant, Monterey, CA.  

Dukerschein, J. T. 2 , J. G. Wiener 3 , R. G. Rada 1 , and M. T. Steingraeger. 1992. Cadmium and mercury in emergent mayflies: assessment of riverine contamination. Annual Meeting of the Illinois and Wisconsin Chapters of the American Fisheries Society, Waukegon, Illinois.  

Wiener, J. G. 3 , D. E. Powell 1 , and R. G. Rada 1 . 1992. Mercury accumulation by fish in Wisconsin seepage lakes: relation to lake chemistry and acidification. Annual Meeting of the Illinois and Wisconsin Chapters of the American Fisheries Society, Waukegon, Illinois.  

Bartsch, L. A. 2 , J. F. Sullivan, and R. G. Rada 1 . 1992. Similarity of solids collected by sediment traps and automated water samplers. 16th Annual Meeting of the Wisconsin Section of the American Water Resource Association, La Crosse, WI.  

Claflin, T. O. 1 , R. G. Rada 1 , and W. R. Maurer 2 . 1992. Volume loss from Lake Pepin: Implications for water quality. 16th Annual Meeting of the Wisconsin Section of the American Water Resource Association, La Crosse, WI.  

Cope, W. G. 2  and R. G. Rada 1 . 1992. Limitations of  aufwuchs  as biomonitors of mercury in Wisconsin seepage lakes. 16th Annual Meeting of the Wisconsin Section of the American Water Resource Association, La Crosse, WI.  

Dukerschein, J. T. 2 , J. G. Wiener 3 , R. G. Rada 1 , and M. T. Steingraeber. 1992. Cadmium and mercury in emergent mayflies ( Hexagenia bilineata ) in the upper Mississippi River. 16th Annual Meeting of the Wisconsin Section of the American Water Resource Association, La Crosse, WI.>Wiener, J. G. 3 , R. G. Rada 1 , and D. E. Powell 1 . 1992. Metal contamination of Lake Pepin, upper Mississippi River, in historic perspective. 16th Annual Meeting of the Wisconsin Section of the American Water Resource Association, La Crosse, WI.  

Bartsch, L. A. 2 , J. F. Sullivan, and R. G. Rada 1 . 1992. Similarity of solids collected by sediment traps and automated water samplers: implications for water quality monitoring. 24th Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Brewer, S. K. 2 , T. O. Claflin 1 , and M. B. Sandheinrich 1 . 1992. Community structure of benthic macroinvertebrates in Navigation Pool No. 8, upper Mississippi River: changes between 1975 and 1990. 24th Annual Meeting of the Mississippi River Research Consortium.  

Claflin, T. O. 1 , R. G. Rada 1 , and W. R. Maurer 2 . 1992. Volume loss from Lake Pepin: Implications for water quality. 24th Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Fischer, J. R. 2  and T. O. Claflin 1 . 1992. Macrophyte community changes in Navigation Pool No. 8, upper Mississippi River. 24th Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Naimo, T. J. 3 , D. M. Wilson 2 , M. B. Sandheinrich 1 , and J. G. Wiener 3 . 1992. Declining abundance of fingernail clams in the upper Mississippi River, 1973-1990. 40th Annual Meeting of the North American Benthological Society, Louisville, KY.  

Bartsch, L. A. 2 , J. F. Sullivan, and R. G. Rada 1 . 1992. Similarity of solids collected by sediment traps and automated water samplers: implications for water quality monitoring. 40th Annual Meeting of the North American Benthological Society, Louisville, KY.  

Brewer, S. K. 2 , T. O. Claflin 1 , and M. B. Sandheinrich 1 . 1992. Comparisons of community structure of benthic macroinvertebrates between 1975 and 1990. 40th Annual Meeting of the North American Benthological Society, Louisville, KY.  

Claflin, T. O. 1 , R. G. Rada 1 , and W. R. Maurer 2 . 1992. Volume loss from Lake Pepin: Implications for water quality. 40th Annual Meeting of the North American Benthological Society, Louisville, KY.  

Cope, W. G. 2  and R. G. Rada 1 . 1992. Accumulation of mercury by  aufwuchs  in Wisconsin seepage lakes: implications for monitoring. 40th Annual Meeting of the North American Benthological Society, Louisville, KY.  

Dukerschein, J. T. 2 , J. G. Wiener 3 , R. G. Rada 1 , and M. T. Steingraeger. 1992. Cadmium and mercury in emergent mayflies: assessment of riverine contamination. 40th Annual Meeting of the North American Benthological Society, Louisville. KY.  

Fischer, J. R. 2  and T. O. Claflin 1 . 1992. Macrophyte community changes in Navigation Pool No. 8, upper Mississippi River. 40th Annual Meeting of the North American Benthological Society, Louisville, KY.  

Wiener, J. G. 3 , M. T. Steingraeber, T. R. Schwartz, J. T. Dukerschein 2 , and R. G. Rada 1 . 1992. Bioassessment of riverine contamination by analyses of emergent Hexagenia .  Invited paper . Technical Information Workshop on Bioassessment of Large Rivers, 40th Annual Meeting of the North American Benthological Society, Louisville, KY.  

Wilson, D. M. 2 , T. J. Naimo 3 , J. G. Wiener 3 , and M. B. Sandheinrich 1 . 1991. Trends in abundance of fingernail clams in the upper Mississippi River, 1973-1990. 53rd Midwest Fish & Wildlife Conference, Des Moines, IA.  

Bryan, M. D., G. J. Atchison, and M. B. Sandheinrich 1 . 1991. Effects of cadmium on juvenile bluegill foraging behavior. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Seattle, WA.  

Rada, R. G. 1 , D. E. Powell 1 , and J. G. Wiener 3 . 1991. Whole-lake mercury burdens in surface sediments of Wisconsin seepage lakes. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Seattle, WA.  

Wiener, J. G. 3 , D. E. Powell 1 , and R. G. Rada 1 . 1991. Mercury accumulation by fish in Wisconsin seepage lakes: relation to lake chemistry and acidification. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Seattle, WA.  

Winfrey, J. 1 , R. Devereaux, and M. R. Winfrey 1 . 1991. Use of 16S rRNA-targeted probes to correlate community structure of sulfate-reducing bacteria with mercury methylation in freshwater sediments. Annual Meeting of the American Society for Microbiology, Dallas, TX.  

Gerger, R. R. 2 , M. R. Winfrey 1 , and M. S. Shields 3 . 1991. Introduction of chloroaromatic tolerance into a strain of  Pseudomonas cepacia  that is constitutive for trichloroethylene degradation, Annual Meeting of the American Society for Microbiology, Dallas, TX.  

Dukerschein, J. T. 2 , J. G. Wiener 3 , R. G. Rada 1 , and M. T. Steingraeber. 1991. Cadmium and mercury in emergent mayflies ( Hexagenia bilineata ) in the upper Mississippi River. Annual Meeting of the Great Lakes Chapter of the Society of Environmental Toxicology and Chemistry, Stevens Point, WI.  

Rolfhus, K. R. 2 , B. E. Frazier 2 , and R. G. Rada 1 . 1991. Mercury enrichment in two northern Wisconsin lakes. Annual Meeting of the Great Lakes Chapter of the Society of Environmental Toxicology and Chemistry, Stevens Point, WI.  

Rislove, L. J. 1  and M. R. Winfrey 1 . 1991. The effect of lake acidification on microbial transformations of mercury. Annual Meeting of the American Society of Limnology and Oceanography, Halifax, Nova Scotia.  

Dukerschein, J. T. 2 , J. G. Wiener 3 , and R. G. Rada 1 . 1991. Cadmium and mercury in emergent mayflies ( Hexagenia bilineata ) in the Upper Mississippi River. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Wiener, J. G. 3 , R. G. Rada 1 , and D. E. Powell 1 . 1991. Metal contamination in Lake Pepin, Upper Mississippi River, in historical perspective. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Whitney, S. D. 2 , and M. B. Sandheinrich 1 . 1991. Effects of maternally-transmitted mercury on the survival, growth, and behavior of larval walleye ( Stizostedion vitreum ). Annual meeting of the Wisconsin Chapter of the American Fisheries Society, Hudson, WI.  

Sandheinrich, M. B 1 . 1990. Fish feeding behavior: mechanistic approaches. Presented at and organized SETAC Short Course "Methods in Aquatic Behavioral Toxicology" for the Annual Meeting of the Society of Environmental Toxicology and Chemistry, Washington, DC.  

Wiener, J. G. 3 , D. E. Powell 1 , and R. G. Rada 1 . 1990. Mercury accumulation by fish in Wisconsin seepage lakes: relation to lake chemistry and acidification. International Conference on Mercury as an Environmental Pollutant, Gavle, Sweden.  

Rada, R. G. 1 , D. E. Powell 1 , and J. G. Wiener 3 . 1990. Mercury burdens in surficial sediments of Wisconsin seepage lakes. International Conference on Mercury as an Environmental Pollutant, Gavle, Sweden.  

Winfrey, M. R. 1  and L. J. Rislove 1 . 1990. Mercury methylation and demethylation in Little Rock, Pallette, and Vandercook Lakes. International Conference on Mercury as an Environmental Pollutant, Gavle, Sweden.  

Winfrey, M. R. 1 , L. J. Rislove 1 , and J. P. Hurley. 1990. Vertical distribution of mercury methylation in the water of an artificially acidified lake. Annual Meeting of the American Society for Microbiology, Anaheim, CA.  

Devereayx, R., J. Winfrey 1 , M. R. Winfrey 1 , and D. A. Stahl. 1990. Application of 16S rRNA probes to correlate communities of sulfate reducing bacteria with sulfate reduction and mercury methylation in a marine sediment. Annual Meeting of the American Society for Microbiology, Anaheim, CA.>Powell, D. E. 1  and R. G. Rada 1 . 1990. Effect of experimental acidification on the concentrations of aluminum, cadmium, and lead in interstitial waters of sediments. 5th International Symposium on The Interactions Between Sediments and Water, Uppsala, Sweden.  

Powell, D. E. 1 , R. G. Rada 1 , and J. G. Wiener 3 . 1990. Spatial distribution and whole-lake burdens of mercury in surficial sediments of Wisconsin seepage lakes. 5th International Symposium on The Interactions Between Sediments and Water, Uppsala, Sweden.  

Rada, R. G. 1 , M. R. Winfrey 1 , D. E. Powell 1 , and J. G. Wiener 3 . 1990. Biological availability of mercury from sediments in the upper Wisconsin River. 5th International Symposium on The Interactions Between Sediments and Water, Uppsala, Sweden.  

Wiener, J. G. 3 , D. E. Powell 1 , and R. G. Rada 1 . 1990. Mercury accumulation by fish in a Wisconsin lake after experimental acidification. Annual Meeting of the American Fisheries Society, Pittsburgh, PA.  

Rislove, L. J. 1  and M. R. Winfrey 1 . 1990. The impact of artificial lake acidification on microbial mercury methylation and demethylation. Annual Meeting of the North Central Branch of the American Society for Microbiology, Minneapolis, MN.  

Wiener, J. G. 3 , D. E. Powell 1 , and R. G. Rada 1 . 1990. Mercury accumulation by fish in Wisconsin seepage lakes after experimental acidification. Annual Meeting of the Wisconsin Chapter of the American Fisheries Society, Prairie du Chien, WI.  

Wiener, J. G. 3 , D. E. Powell 1 , and R. G. Rada 1 . 1989. Effect of experimental acidification on mercury accumulation in yellow perch from Little Rock Lake, WI. Annual Meeting of the Society of Environmental Toxicology and Chemistry, Toronto, Canada.  

Rislove, L. J. 1 , S. J. Brazeau 2 , and M. R. Winfrey 1 . 1989. Factors affecting mercury methylation by sulfate-reducing bacteria. Annual Meeting of the American Society for Microbiology, New Orleans, LA.  

Watras, C. J., N. S. Bloom, W. F. Fitzgerald, J. P. Hurley, R. G. Rada 1 , and J. G. Wiener 3 . 1989. Acidification and mercury cycling in temperate lakes. International Association for Great Lakes Research, Madison, WI.  

Winfrey, M. R. 1  and J. W. M. Rudd. 1988. Environmental factors affecting the formation of methylmercury in low alkalinity lakes.  Invited Paper , Special Symposium on Metal Chemistry and Bioavailability in Acid Waters of the Ninth Annual Meeting of the Society of Environmental Toxicology and Chemistry, Arlington, VA.  

Cope, W. G. 2 , R. G. Rada 1 , and J. G. Wiener 3 . 1988. Mercury accumulation in yellow perch and aufwuchs in north-central Wisconsin lakes.  Invited Paper , Special Symposium on Metal Chemistry and Bioavailability in Acid Waters for the Ninth Annual Meeting of the Society of Environmental Toxicology and Chemistry, Arlington, VA.  

Wiener, J. G. 3 , W. F. Fitzgerald, C. J. Watrus, and R. G. Rada 1 . 1988. Partitioning of mercury in an experimentally acidified Wisconsin lake.  Invited Paper , Special Symposium on Metal Chemistry and Bioavailability in Acid Waters of the Ninth Annual Meeting of the Society of Environmental Toxicology and Chemistry, Arlington, VA.  

Rada, R. G. 1 , J. G. Wiener 3 , and W. G. Cope 2 . 1988. Mercury enrichment and bioavailability in seepage lakes in north-central Wisconsin. International Conference on Trace Metals in Lakes, Burlington, Ontario, Canada.  

Wiener, J. G. 3 , R. G. Rada 1 , and P. S. Schmidt 2 . 1988. Chemistry and bioavailability of cadmium in seepage lakes in north-central Wisconsin. International Conference on Trace Metals in Lakes, Burlington, Ontario, Canada. 

Winfrey, M. R. 1 , S. J. Brazeau 2 , L. J. Rislove 1 , and K. M. Honer 2 . 1988. The relative importance of sulfate-reducing bacteria as agents of mercury methylation in freshwater sediments. Annual Meeting of the American Society of Microbiology, Miami, FL.  

Rada, R. G. 1 , M. R. Winfrey 1 , and D. E. Powell 1 . 1988. Biological availability of mercury from sediments in the Upper Wisconsin River. International Symposium on Fate and Effects of Toxic Chemicals in Large Rivers and their Estuaries, Quebec City, Quebec, Canada.  

Rada, R. G. 1 , J. G. Wiener 3 , P. A. Bailey 2 , and D. E. Powell 1 . 1988. Lake Pepin sediments: a history of water quality in the Upper Mississippi River. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Wiener, J. G. 3 , R. G. Rada 1 , D. E. Powell 2 , and P. S. Schmidt 2 . 1988. Chemistry and bioavailability of metals associated with atmospheric deposition in Wisconsin seepage lakes. Invited paper , Symposium on Atmospheric Deposition of Metals and Organics, Annual Meeting of the American Fisheries Society, Toronto, Ontario, Canada.  

Lange, T. R. 2  and R. G. Rada 1 . 1988. Phytoplankton community composition and primary production of selected habitats in Navigation Pool No. 8 of the Upper Mississippi River. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Lange, T. R. 2  and R. G. Rada 1 . 1988. Comparison of phytoplankton community composition and primary production among selected habitats of a typical navigation pool in the Upper Mississippi River. Annual Meeting of the American Society of Limnology and Oceanography, Boulder, CO.>Rada, R. G. 1 , M. R. Winfrey 1 , D. E. Powell 1 , and J. G. Wiener 3 . 1987. Evidence of anthropogenic mercury in northcentral Wisconsin lakes inferred from sediment analyses. Eighth Annual Meeting of the Society of Environmental Toxicology and Chemistry, Pensacola, FL.  

Winfrey, M. R. 1 , R. J. Steffan 2 , E. T. Korthals 2 , and J. W. M. Rudd. 1987. Effects of lake acidification on microbial transformations of mercury.  Invited Paper , Special Symposium on Microbial Activities in Acidified Aquatic Systems, Annual Meeting of the American Society of Microbiology, Atlanta, GA.  

Rada, R. G. 1 , M. R. Winfrey 1 , and D. E. Powell 1 . 1987. Biological availability of mercury in the Upper Wisconsin River. Eighth Annual Meeting of the Society of Environmental Toxicology and Chemistry, Pensacola, FL.  

Powell, D. E. 2  and R. G. Rada 1 . 1987. Effects of pH on the release of aluminum, cadmium, and lead from littoral and profundal sediments of Lakes Clara and McGrath, northern Wisconsin. Sixth International Conference on "Heavy Metals in the Environment," New Orleans, LA.  

Korthals, E. T. 2  and M. R. Winfrey 1 . 1986. Seasonal and spatial variations in mercury methylation and demethylation in an oligotrophic lake. Annual Meeting of the American Society of Microbiology, Washington, DC.  

Winfrey, M. R. 1 , W. J. Pekarske 2 , and R. J. Steffan 2 . 1986. The importance of microbial and abiological volatilization of mercury in an oligotrophic northern Wisconsin lake. Annual Meeting of the American Society of Microbiology, Washington, DC.  

Luttenton, M. R. 2  and R. G. Rada 1 . 1986. Microdistributional patterns of epiphyte communities exposed to varying turbulence. Annual Meeting of the North American Benthological Society, Lawrence, KS.  

Claflin, T. O. 1  and R. G. Rada 1 . 1985. Ecological relationships in atypical pool of the Upper Mississippi River.  Invited paper , Special symposium on Impoundments of the Upper Mississippi River, Annual meetings of the American Society of Limnology and Oceanography, Twin Cities, MN.  

Winfrey, M. R 1 . 1985. Role of methane-producing and sulfate-reducing bacteria in mercury methylation. Annual Meeting of the American Society of Microbiology, Las Vegas, NV.  

Winfrey, M. R. 1  1984. Microbial ecology of the Upper Mississippi River. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Rada, R. G. 1 , P. A. Bailey 2 , and D. E. Powell 2 . 1984. Lake Pepin: a sink for metals (Cd, Cr, Cu, Pb, and Zn) discharged into the Upper Mississippi River. Invited paper , Special symposium on Fluvial transport of aquatic contaminants, Annual joint meetings of the American Geophysical Union and American Society of Limnology and Oceanography, San Francisco, CA.  

Rada, R. G. 1 , J. G. Wiener 3 , M. R. Winfrey 1 , J. N. Findley 2 , and S. M. Callister 2 . 1984. Environmental fate of mercury discharged into the Upper Wisconsin River. Invited paper , Special symposium on Fluvial transport of aquatic contaminants, Annual joint meetings of the American Geophysical Union and American Society of Limnology and Oceanography, San Francisco, CA.  

Steffan, R. L. 2  and M. R. Winfrey 1 . 1984. Effect of experimental acidification on mercury methylation and volatilization in a northern Wisconsin lake. Annual Meeting of the American Society of Microbiology, St. Louis, MO.  

Luttenton, M. R. 2  and R. G. Rada 1 . 1984. Community structure and accrual of phycoperiphyton in Pool 5, Upper Mississippi River. Annual Meeting of the North American Benthological Society, Raleigh, NC.  

Luttenton, M. R. 2 , J. B. Vansteenburg 2 , and R. G. Rada 1 . 1984. Phycoperiphyton of the Upper Mississippi River: a comparison of community structure, diversity, and productivity. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Findley, J. N. 2 , S. K. Littlejohn 2 , R. G. Rada 1 , and J. G. Wiener 3 . 1983. Distribution of mercury in sediments and fishes of the Upper Wisconsin River. Invited paper , Annual Meeting of the American Fisheries Society, Milwaukee, WI.  

Callister, S. M. 2  and M. R. Winfrey 1 . 1983. Microbial mercury resistance and methylation rates in the Upper Wisconsin River. Annual Meeting of the American Society of Microbiology, New Orleans, LA.  

Winfrey, M. R. 1  1983. The microbial production of methane in anaerobic digesters. Wisconsin Wastewater Works Operators Conference, La Crosse, WI.  

Schmidt, P. S. 2 , R. G. Rada 1 , D. E. Powell 2 , and J. G. Wiener 3 . 1983. Major ion and metal (AL, Cd, and Pb) chemistry of acid-susceptible and non-susceptible lakes in northern Wisconsin. Poster Session at the Technical Conference on Acid Deposition and Aquatic Resources in the Upper Midwest, EPA/NCSU Acid Deposition Program, La Crosse, WI.  

Steffan, R. J. 2  and M. R. Winfrey 1 . 1983. Effect of experimental acidification on mercury methylation and volatilization in Lake Clara in northern Wisconsin. Poster Session at the Technical Conference on Acid Deposition and Aquatic Resources in the Upper Midwest, EPA/NCSU Acid Deposition Program, La Crosse, WI.  

Findley, J. N. 2  and R. G. Rada 1 . 1983. Distribution of potentially toxic metals in bed sediments of the Upper Wisconsin River. Annual Meeting of the Wisconsin Chapter, American Fisheries Society, Appleton, WI.  

Bailey, P. A. 2  and R. G. Rada 1 . 1983. The distribution of potentially toxic trace metals in Navigation Pool Nos. 4, 5, 5A, and 9, Upper Mississippi River. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Callister, S. M. 2  and M. R. Winfrey 1 . 1982. Microbial mercury resistance and methylation rates in the Upper Wisconsin River. Annual Meeting of the North Central Branch of the American Society of Microbiology, La Crosse, WI.  

Nielsen, D. N. 3 , R. G. Rada 1 , and M. M. Smart 1 . 1982. Sediments of the Upper Mississippi River: their character, distribution, and transport.  Invited paper , Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Bailey, P. A. 2  and R. G. Rada 1 . 1981. An investigation of Lake Pepin bottom sediment characteristics (particle size, organic content, metals, TP, TKN). Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.  

Claflin, T. O. 1 , R. G. Rada 1 , and M. M. Smart 1 . 1981. Side channel discharge as a function of slope in Pool9, Upper Mississippi river. Annual Meeting of the Mississippi River Research Consortium, La Crosse, WI.