Bioassessment 5

Session 56 (Contributed)
Thursday, June 10, 8:00 AM-9:45 AM, Hebb
Moderator: P. Bukavecka

8:00 (377) Investigating the relationships between environmental stressors and stream health using belief network models .
J.D. Allan¹ and L.L. Yuan². ¹School of Natural Resources & Environment, University of Michigan, Ann Arbor, MI 48109, ²National Center for Environmental Assessment, U.S. Environmental Protection Agency, Washington, DC 20460

8:15 (378) Nonlinear model development to replicate expert professional judgment for stream bioassessment.
J Gerritsen. Tetra Tech, Inc., 10045 Red Run Blvd., Owings Mills, MD 21117

8:30 (379) Application of statistical power analysis for scaling and scoring metrics for multimetric rapid bioassessment protocols (RBPs).
B.D. Marshall and B.L. Kerans. Department of Ecology, Montana State University, Bozeman, Montana 59717

8:45 (380) How long should a long-term study be?
J.F. Thomas. National Council for Air and Stream Improvement, Anacortes, WA 98221

9:00 (381) Influence of taxonomic resolution on invertebrate bioassessment results from northern prairie systems.
N.H. Troelstrup, Jr.¹, C.W. Braskamp¹, A.L. Gronke¹, A.M. Larson², and P.B. Lorenzen³. ¹Department of Biology & Microbiology, South Dakota State University, Brookings, SD 57007, ²Department of Environment & Natural Resources, 2050 West Main, Suite 1, Rapid City, SD 57702, ³Department of Environment & Natural Resources, Joe Foss Building, Pierre, SD 57501

9:15 (382) Taxonomic Resolution: Cost v. Benefits .
J. Williams and J.A. Gore. Environmental Science, Columbus State University, Columbus, Georgia 31907

9:30 (383) Hierarchical variation in leaf pack communities from both Reference and Test tributary streams of the Fraser River, British Columbia.
R.C. Bailey¹ and S Sylvestre². ¹Department of Biology, The University of Western Ontario, London, Ontario, Canada N6A 5B7, ²Aquatic and Atmospheric Sciences Division, Environment Canada, Environmental Conservation Branch, #201 - 401 Burrard Street, Vancouver BC, V6C 3S5