Poster # 1. Craig, Laura^*,1, Palmer, Margaret^{1, 2}, ¹ University of Maryland, College Park, MD² University of Maryland Center for Environmental Science-Chesapeake Biological Laboratory, Solomons, MD, Nutrient processing in urbanizing watersheds: can the latest developments in stormwater management improve nutrient uptake?

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Poster # 2. Benzing, Paul^*,1, O'Brien, William², Italo, Daniela¹, ¹ Fairleigh Dickinson University, Madison, NJ² Triassic Technology, Hopewell, NJ, Dynamics of dissolved reactive phosphorus loads in Loantaka Brook.

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Poster # 3. Richardson, David^{*,1, 2}, Kaplan, Louis², Newbold, J², ¹ University of Maryland, College Park, College Park, MD² Stroud Water Research Center, Avondale, PA, Understanding sources and dynamics of seston in a stream ecosystem: recurring nighttime peaks of seston transport.

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Poster # 4. Schuett, Elissa^*,1, Hilderbrand, Robert ¹, ¹ Appalachian Laboratory, University of Maryland Center for Environmental Science, Frostburg, MD, Confluence effects on benthic macroinvertebrate communities.

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Poster # 5. Griswold, Marcus^*,1, Crisman, Thomas¹, ¹ Howard T. Odum Center for Wetlands, Gainesville, FL, Effects of patch size and type on invertebrate communities in managed headwater streams.

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Poster # 6. Burks, Shelby^*,1, Paul, Michael², ¹ Howard University, Washington, DC² Tetra Tech Inc, Owings Mills, MD, Decomposition rates in Baisman and Dead Run stream systems.

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Poster # 7. Baer, Nicholas^*,1, Weathers, Kathleen², ¹ Colby-Sawyer College, New London, NH² Institute of Ecosystem Studies, Millbrook, NY, Dissolved organic carbon (DOC) and foodweb dynamics: tea for two?

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Poster # 8. Breen, Matthew^*,1, Ruetz, Carl¹, ¹ Annis Water Resources Institute, Grand Valley State University, Muskegon, MI, Consumption of leaf litter by stream invertebrates: evaluating the effects of leaf size.

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Poster # 9. Wu, Wei^*,1, Driscoll, Charles¹, ¹ Syracuse University, Syracuse, NY, Application of PnET-BGC -- an integrated biogeochemical model to assess the stream ANC recovery rates at Adirondacks under three multi-pollutant proposals.

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Poster # 10. Thomas, Steven^*,1, Webster, Jackson², Newbold, Denis³, Valett, Maurice², Mulholland, Patrick⁴, ¹ School of Natural Resources, Lincoln, NE² Department of Biological Sciences, Blacksburg, VA³ Stroud Water Research Center, Avondale, PA⁴ Oak Ridge National Laboratory, Oak Ridge, TN, A stoichiometric approach to modeling coupled N and P cycling in stream ecosystems.

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Poster # 11. Cromartie, William^*,1, Keltos, Lauren¹, Dwyer, Amy¹, Mott, Karl¹, Akers, Fred², Chirenje, Tait¹, ¹ Richard Stockton College of New Jersey, Pomona, NJ² Great Egg Harbor Watershed Association, Newtonville, NJ, Reference site characterization for ecological monitoring in the Great Egg Harbor River, New Jersey.

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Poster # 12. Martin, Holly ^*,1, Harris, John¹, Christian, Alan¹, ¹ Arkansas State University, Jonesboro, AR, Richness, densities, population and community numerical standing crop, and habitat characterization of Spring River drainage freshwater mussels.

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Poster # 13. McChesney, Lauren^*,1, Engelhardt, Katharina¹, ¹ University of MD, Center for Environmental Science, Frostburg, MD, USA, Fluctuating trends in Hydrilla verticillata abundance at Otter Point Creek, MD.

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Poster # 14. Brugam, Richard ^*,1, Ryan, Steven¹, Retzlaff, William¹, ¹ Box 1651 Biology, Edwardsville, IL, Tracing nutrient exchange between the Illinois River and its floodplain using stable isotopes.

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Poster # 15. Ortega, Claudia^*,1, Lougheed, Vanessa ¹, Johnson, Jerry ¹, ¹ University of Texas at El Paso, El Paso, TX, USA, Assessment of macroinvertebrate community structure following a major flood in a Chihuahuan desert spring.

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Poster # 16. Lawson, Raven^*,1, Matthews, Mickey¹, Usrey, Faron², Hodges, Shawn², Christian, Alan¹, ¹ Arkansas State University, State University, AR, US² Buffalo National River, Harrison, AR, US, Predation on freshwater mussels: species and size selection.

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Poster # 17. Hopfensperger, Kristine^*,1, Engelhardt, Katharina¹, Kaushal, Sujay¹, ¹ Appalachian Laboratory, University of Maryland Center for Environmental Science, Frostburg, MD, USA, Effects of functional plant groups on nitrogen cycling in a tidal freshwater marsh.

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Poster # 18. Walsh, Elizabeth¹, Schroeder, Thomas¹, Ramirez, Claudia¹, De La Cerda, Fernanda¹, ¹ University of Texas at El Paso, El Paso, TX, Impacts of arsenic on life history characteristics of rotifers from an urban river.

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Poster # 19. Munyon, Jay^*,1, Brugam, Richard ¹, Retzlaff, William¹, ¹ Southern Illinois University Edwardsville, Edwardsville, IL, Analysis of the Cougar Lake, Illinois, food chain using stable isotopes of nitrogen and carbon.

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Poster # 20. Otsuki, Maki^*,1, Koike, Fumito², ¹ Graduate School of Environment and Information Sciences Yokohama National University, Yokohama, Japan, Yokohama, Japan² Graduate School of Environment and Information Sciences Yokohama National University, Yokohama, Japan, Yokohama, Japan, Aquatic submerged vegetation in suburban streams contributed to aquatic animal communities.

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Poster # 21. Woods, Lauren^*,1, Downing, Amy¹, Leibold, Mathew², ¹ Ohio Wesleyan University, Delaware, OH² University of Texas-Austin, Austin, TX, Disentangling the components of temporal stability in natural pond communities and ecosystems.

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Poster # 22. Schoen, Erik^*,1, Beauchamp, David¹, Overman, Nathanael¹, Sergeant, Christopher¹, ¹ University of Washington, Seattle, WA, What factors mediate the impacts of introduced species? Investigating the success of kokanee since establishment of lake trout and Mysis relicta in a large, oligotrophic lake.

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Poster # 23. Marsh-Matthews, Edie^{1, 2}, Deaton, Raelynn^{1, 2}, ¹ Sam Noble Oklahoma Museum of Natural History, Norman, OK, USA² Department of Zoology, Norman, OK, USA, Resources and offspring provisioning: a test of the Trexler and DeAngelis model for the evolution of matrotrophy.

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Poster # 24. Davis, John^*,1, Rosemond, Amy¹, Cross, Wyatt¹, Eggert, Sue ¹, Wallace, J. Bruce¹, ¹ University of Georgia, Athens, GA, Life-history traits determine long-term impacts of nutrient enrichment on macroinvertebrate community dynamics in a detrital-based system.

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Poster # 25. Theel, Heather^*,1, Dibble, Eric¹, ¹ Mississippi State University, Mississippi State, MS, Habitat alteration by an invasive aquatic plant and its impact on fish foraging and macroinvertebrate colonization.

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Poster # 26. Dibble, Eric ^*,1, Thomaz, Sidinei², Higuti, Janet², Padial, Andre², Evangelista, Luiz², ¹ Mississippi State University, Mississippi State, MS, USA² Universidade Estadual de Maringa, Maringa, Parana, Brazil, Scale effect on available complexity and influence of complexity as a fractal dimension on invertebrate richness in aquatic plants.

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Poster # 27. Stamberger, Jamie^*,1, Kershner, Mark¹, Montemarano, Justin¹, ¹ Kent State University, Kent, Ohio, United States, Indirect effects of green frog tadpoles (Rana clamitans) on the growth of Elodea canadensis.

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Poster # 28. Allen, Michael^*,1, ¹ University of Illinois at Urbana-Champaign, Urbana, IL, The influences of local and regional dynamics on investment in prolonged dormancy by Daphnia.

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Poster # 29. Babler, Allison^*,1, Solomon, Christopher¹, Vander Zanden, Jake¹, Schilke, Paul¹, ¹ University of Wisconsin Center for Limnology, Madison, WI, Benthic secondary production in a north-temperate lake.

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Poster # 30. Gray, Sarah ^*,1, Padilla, Dianna¹, ¹ Stony Brook University, Stony Brook, NY, Invasive ecosystem engineers: the effect of oysters on rocky intertidal habitat.

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Poster # 31. Slone, Daniel^*,1, Stith, Bradley¹, Reid, James¹, ¹ USGS Florida Integrated Science Center, Gainesville, FL, Spatial and seasonal habitat use by manatees in the Everglades National Park region of Florida.

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Poster # 32. Bright, Gerald^*,1, Johnson, Eric², Hines, Anson², ¹ Howard University, Washington, DC² Smithsonian Environmental Research Center, Edgewater, MD, Comparison of habitat utilization between juvenile hatchery-reared and wild blue crabs.

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Poster # 33. Van Hook, Lucy^*,1, Reblin, Jaret ¹, Lichter, John¹, ¹ Bowdoin College, Brunswick, ME, The demography, nesting status, and movement patterns of snapping turtles, (Chelydra serpentina) in Merrymeeting Bay.

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Poster # 34. Priest, Brant^*,1, Humston, Robert¹, Bugas, Paul², ¹ Virginia Military Institute, Lexington, VA, USA² Department of Game and Inland Fisheries, Verona, VA, USA, Dispersal of age-1 smallmouth bass determined from elemental chemistry of otoliths.

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Poster # 35. Fortner, Allison^*,1, ¹ University of Oklahoma, Norman, OK, Density-dependent effects on growth and reproduction of the orangethroat darter, Etheostoma spectabile (Pisces: Percidae).

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Poster # 36. Smith, Allison^*,1, Loutsch, Jeannette ¹, Monroe, Emy ², Christian, Alan ¹, ¹ Arkansas State University, Jonesboro, AR² Miami University, Oxford, OH, Who's your daddy: the use of micro-satellite analysis to determine paternity in freshwater mussels.

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Poster # 37. Matthews, Mickey^*,1, Usrey, Faron², Seagraves, Sara¹, Hodges, Shawn², Christian, Alan¹, ¹ Arkansas State University, Jonesboro, AR, USA² National Park Service, Harrison, AR, USA, Unionid (Mollusca: Bivalvia) assemblage structure of an Ozark river.

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Poster # 38. Brunkow, Paul^*,1, Sporleder, Kristen¹, ¹ Southern Illinois University Edwardsville, Edwardsville, IL, Effects of epibiotic algae on drag resistance in a stream-dwelling snail.

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Poster # 39. Ferrer Montano, Orlando^*,1, ¹ Universidad del Zulia, Maracaibo, Zulia, Venezuela, Early growth, reproductive biology, and feeding of white mullet Mugil curema from Lake Maracaibo, Venezuela.

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Poster # 40. Blackford, Christina^*,1, Brunkow, Paul¹, ¹ Southern Illinois University Edwardsville, Edwardsville, IL, Effects of trematode infection on foot morphology of a physid snail.

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Poster # 41. Fuller, Rhys^*,1, Brunkow, Paul¹, ¹ University of Southern Illinois Edwardsville, Edwardsville, IL, The effect of snail shell orientation on the forces experienced during a simulated fish feeding strike.

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Poster # 42. Kesler, David^*,1, van Tol, Naomi ², Manning, Donald³, Hubbs, Donald⁴, ¹ Rhodes College, Memphis, TN² Hatchie Project, Memphis, TN³ Hatchie Project, Henry, TN⁴ Tennessee Wildlife Resources Agency, Nashville, TN, Freshwater mussels of the Hatchie River in west Tennessee.

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Poster # 43. Levine, Todd^*,1, Lang, Brian², Berg, David³, ¹ Miami University, Oxford, OH² Department of Game and Fish, Santa Fe, NM³ Miami University, Hamilton, OH, Habitats and hosts: critical factors in conservation of an endangered mussel.

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Poster # 44. Rinne, Debra^*,1, Jenkins, David ¹, ¹ University of Central Florida, Orlando, FL, The peninsula effect: a dead, red herring or alive and camouflaged?

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Poster # 45. Peck, Andrew^*,1, Harris, John ¹, Christian, Alan ^{1, 2}, ¹ Arkansas State University, State University, AR, USA² Arkansas State University, State University, AR, USA, Movement patterns of Potamilus capax and Quadrula quadrula following relocation.

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Poster # 46. Smith, Sigrid^*,1, ¹ University of Illinois at Urbana-Champaign, Urbana, IL, Existence of alternative producer states in temporary wetlands.

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Poster # 47. Heery, Eliza^*,1, Berkson, Jim¹, ¹ Department of Fisheries and Wildlife, Virginia Tech, Blacksburg, VA, The impact of biased length frequency data on marine population models.

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