Current and Future Approaches for Using Benthic Algae to Monitor and Assess Aquatic Ecosystems I

Session 4 (Special)
Thursday, May 30, 8:00 AM-9:45 AM, Westmoreland
Moderator: Winter, J.

8:00 (22) EUTROPHICATION OF STREAMS AND RIVERS: HIERARCHICAL RIVER ENVIRONMENT CLASSIFICATION TO IDENTIFY AND MAP REFERENCE CONDITIONS AND STATE OF IMPAIRMENT.
B.J.F. Biggs¹, T. Snelder¹, M.A. Weatherhead¹, K. Niven¹, and A. Elosegi². ¹NIWA, P.O. Box 8602, Christchurch, New Zealand, ²Department of Plant Biology and Ecology, Science Faculty, University of the Basque Country, P.O. Box 644, 48080 Bilbao, Spain.

8:15 (23) DIATOM MORPHOLOGY AS A TOOL TO MONITOR METAL POLLUTION.
A. Cattaneo¹, S. Wunsam², and Y. Couillard³. ¹Département de sciences biologiques, Université de Montréal, Montréal, Québec, Canada H3C 3J7, ²11437 76th Avenue, Edmonton, Alberta, Canada T6G 0K5, ³Chemical Evaluation Division, Existing Substances Branch, Environment Canada, Hull, Québec, Canada K1A 0H3

8:30 (24) CALIBRATION SETS FOR QUANTIFYING ECOLOGICAL CHARACTERISTICS OF RIVER ALGAE: HABITAT VARIABILITY AND SPATIAL SCALE.
D.F. Charles and M.G. Potapova. Patrick Center for Environmental Research, The Academy of Natural Sciences, 1900 Ben Franklin Parkway, Philadelphia, PA 19103

8:45 (25) ASSESSING THE RELATIONSHIPS AMONG NUTRIENTS, ALGAL PRODUCTION, AND THE BIOLOGICAL INTEGRITY OF STREAMS ALONG AN URBAN GRADIENT IN THE EASTERN CORNBELT PLAINS, OHIO, USA.
J.A. Hambrook and J. Funk. U.S. Geological Survey, 6480 Doubletree Avenue, Columbus, Ohio 43229-1111

9:00 (26) ASSESSMENT OF STREAMS OF THE EASTERN UNITED STATES USING A PERIPHYTON INDEX OF BIOTIC INTEGRITY.
B.H. Hill¹, A.T. Herlihy², P.R. Kaufmann³, S.J. DeCelles⁴, and M.A. Vander Borgh⁵. ¹Mid-Continent Ecology Division, US Environmental Protection Agency, Duluth, Minnesota USA 55804, ²Department of Fisheries and Wildlife, Oregon State University, Corvallis, Oregon, USA 97333, ³Western Ecology Division, US Environmental Protection Agency, Corvallis, Oregon USA 97333, ⁴SoBran, Inc., c/o US Environmental Protection Agency, Cincinnati, Ohio, USA 45268, ⁵North Carolina Department of Environment and Natural Resources, Raleigh, North Carolina, USA 27699

9:15 (27) GREAT LAKES ENVIRONMENTAL INDICATORS: DIATOM-BASED ASSESSMENT TOOLS IN NEARSHORE AND COASTAL ECOSYSTEMS.
J.C. Kingston. Natural Resources Research Inst., University of Minnesota Duluth, Ely Field Station, Ely, MN, USA 55731

9:30 (28) ENVIRONMENTAL FACTORS INFLUENCING THE DISTRIBUTION OF BENTHIC-ALGAL SPECIES IN FOUR LARGE RIVER BASINS OF THE UNITED STATES.
H.V. Leland. Water Resources Div., U.S. Geological Survey, 3215 Marine St., Boulder, Colorado 80303