Conservation Ecology 1

Session 17 (Contributed)
Tuesday, June 8, 8:00 AM-9:45 AM, IRC6
Moderator: E. Bergey

8:00 (112) Spatial and temporal dynamics in cercarial abundance of an exotic gill parasite in Comal Springs, Texas and co-occurrence and infection relationships with its exotic gastropod intermediate host and native fishes in springs of west Texas.
T.L. Arsuffi¹, V. Cantu¹, K. McDermott¹, and T.M. Brandt². ¹Aquatic Station-Biology, Texas State University, San Marcos, TX, 78666, ²USFWS, National Fish Hatchery and Technology Center, San Marcos, TX 78666

8:15 (113) Channel realignment reduces population resilience to floods in diadromous neritid snails in a Puerto Rican stream.
J.F. Blanco. Department of Biology, University of Puerto Rico, Rio Piedras, San Juan, Puerto Rico 00917

8:30 (114) Distributions of exotic crayfish in relation to stream physicochemistry and flow variability.
N. Usio¹ and S. Brosse². ¹Field Science Center for Northern Biosphere, Hokkaido University, ²Laboratoire Dynamique de la Biodiversite, Universite Paul Sabatier, Toulouse cedex, France

8:45 (115) Are all crayfish generalists? Habitat specificity in two sympatric species.
S.N. Jones and E.A. Bergey. Oklahoma Biological Survey and Department of Zoology, University of Oklahoma, Norman, OK 73019

9:00 (116) The influence of introduced trout on native aquatic invertebrate communities in a paired watershed study of streams in Yosemite National Park.
D.B. Herbst¹, E.L. Silldorff², and S.D. Cooper². ¹Sierra Nevada Aquatic Research Laboratory, University of California, Route 1 - Box 198, Mammoth Lakes, CA 93546, ²Department of Ecology, Evolution and Marine Biology, University of California at Santa Barbara, CA 93106

9:15 (117) Decline in nitrogen transported by Yellowstone cutthroat trout spawning migrations.
L.M. Tronstad¹, R.O. Hall¹, and T.M. Koel². ¹Department of Zoology and Physiology, University of Wyoming, Laramie, WY 82071, ²Fisheries and Aquatic Sciences Section, Yellowstone Center for Resources, Yellowstone National Park, WY 82190

9:30 (118) Rapid assessment of conservation value: the influence of taxonomic resolution.
S. Linke¹, C.P. Hawkins², and R.H. Norris¹. ¹CRC for Freshwater Ecology, University of Canberra, Canberra 2601, Australia , ²Department of Aquatic, Watershed, & Earth Resources, Ecology Center, 5210 Old Main Hill, Utah State University, Logan, UT 84322-5210