Bioassessment II

Session 13 (Contributed)
Thursday, May 29, 8:00 AM-9:45 AM, Athena CD
Moderator: Bailey

8:00 (83) Per-taxon models for assemblage-based bioassessments: modeling the whole as the sum of its parts .
J. Van Sickle¹, D.P. Larsen¹, and A.T. Herlihy². ¹Western Ecology Division, NHEERL,ORD, US Environmental Protection Agency, 200 SW 35th St. Corvallis, OR 97333, ²Department of Fisheries and Wildlife, Oregon State University, Corvallis, OR 97331

8:15 (84) Development of quantitative tolerance values based on predictive model outputs.
C.P. Hawkins. Department of Aquatic, Watershed, and Earth Resources, Utah State University, Logan, UT 84322-5210

8:30 (85) Comparing real and simulated impacts on benthic communities.
S. Linke, R.H. Norris, and T. Nelson. Cooperative Research Centre for Freshwater Ecology, University of Canberra, Canberra 2601, AUSTRALIA.

8:45 (86) Perspectives on statistical power analysis to evaluate the sensitivity of metrics used in multimetric rapid bioassessment protocols (RBPs) .
B.D. Marshall. The Center for Biomonitoring, Inter-Mountain Laboratories, Bozeman, Montana, USA.

9:00 (87) Assessing the acidity of Swedish streams from benthic macroinvertebrates using weighted averaging regression and calibration.
J. Dahl and R.K. Johnson. Department of Environmental Assessment, Swedish University of Agricultural Sciences, Uppsala, Sweden

9:15 (88) Evaluating biological condition using multiple summary indices and the reference condition approach.
R. Fletcher¹, K.M. Somers², and R.A. Reid². ¹Ontario Ministry of the Environment, 125 Resources Road, Etobicoke, Ontario, Canada M9P 3V6, ²Ontario Ministry of the Environment, Dorset Environmental Science Centre, P.O. Box 39, Dorset Ontario, Canada P0A 1E0

9:30 (89) A fundamental unit of replication in stream bioassessment research: the μ-basin.
R.C. Bailey. Department of Biology, The University of Western Ontario, London, Ontario, Canada N6A 5B7