8:00 AM Meyerson, Laura^*,1, Reaser, Jamie², Ciruna, Kristine³, Bartuska, Ann⁴, ¹ AAAS Environmental Fellow, Washington, DC² Global Invasive Species Programme, Washington, DC³ Nature Conservancy of Canada, Victoria, BC, CA⁴ The Nature Conservancy, Ballston, VA An assessment of the biological and socio-economic impacts of invasive alien species on freshwater ecosystems.

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8:15 AM Strecker, Angela^*,1, Arnott, Shelley¹, ¹ (strecker@biology.queensu.ca) Queen's University, Kingston, Ontario The effects of an invasive invertebrate predator, Bythotrephes longimanus, on zooplankton communities recovering from acidification.

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8:30 AM Dzialowski, Andrew ^*,1, Smith, Val ², ¹ University of Kansas, Lawrence, Kansas² University of Kansas, Lawrence, Kansas Effects of trophic complexity on invasion success of the exotic cladoceran Daphnia lumholtzi.

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8:45 AM Rosenthal, Sadie^*,1, Lodge, David¹, Kershner, Mark², ¹ University of Notre Dame, Notre Dame, IN² Kent State University, Kent, OH Community effects of invasive crayfish: Evidence from long-term, whole-lake surveys.

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9:00 AM Wilson, Karen^*,1, Willis, Theodore², Vander Zanden, M. Jake², ¹ Carleton College, Northfield, MN² Center for Limnology, Madison, WI Impacts of invasive crayfish on trophic structure in lake littoral zones.

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9:15 AM Pratt, Marney^*,1, ¹ Duke University, Durham, NC Why is the bryozoan Membranipora membranacea such an effective invasive species?

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9:30 AM Whitlow, Lindsay^*,1, ¹ Bowdoin College, Brunswick, ME Historical changes in native clam traits after crab invasion.

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9:45 AM Break.

10:00 AM Heiman, Kimberly ^*,1, Micheli, Fiorenza ¹, ¹ Hopkins Marine Station of, Pacific Grove, CA, USA The impacts of the habitat-forming invasive tubeworm, Ficopomatus enigmaticus, in a heavily-invaded central California estuary.

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10:15 AM Grosholz, Edwin^*,1, Levin, Lisa², Neira, Carlos², Tyler, A.¹, ¹ University of California, Davis, Davis, CA, USA² University of California, San Diego, La Jolla, CA, USA Multi-trophic level and ecosystem changes following the Spartina invasion of San Francisco Bay.

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10:30 AM Trexler, Joel¹, Lorenz, Jerome², Loftus, William³, ¹ Florida International University, Miami, FL² National Audubon Society, Tavernier, FL³ U.S. Geological Survey, Homestead, FL Monitoring fish invasions and their impacts in southern Florida: Can we predict the risks?

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