8:00 RELATIONSHIP BETWEEN ALGAE IN SUSPENSION AND PERIPHYTON IN TWO COLORADO MOUNTAIN STREAMS.
V.V. Vavilova, W.M. Lewis, Jr., and R. Dufford. CIRES, University of Colorado, Boulder CO 80309

8:15 EFFECTS OF SOLAR ULTRAVIOLET RADIATION ON PERIPHYTON METABOLISM, PIGMENT AND COMMUNITY COMPOSITION IN A CLEAR-WATER BOREAL LAKE.
E.M. Watkins¹, D.W. Schindler¹, and M.A. Turner². ¹Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada, T6G 2E9, ²Department of Fisheries and Oceans, 501 University Crescent, Winnipeg, Manitoba, Canada, R3T 2N6

8:30 EFFECTS OF LIGHT, CARBON, AND PHOSPHORUS ON BENTHIC ALGAL GROWTH AND STOICHIOMETRY IN BOREAL LAKES.
P.C. Frost¹, M.A. Turner², and J.J. Elser¹. ¹Department of Biology, Arizona State University, Tempe, Arizona 85287-1501, ²Fisheries and Oceans Canada, Freshwater Institute, Winnipeg, Manitoba R3T 2N6

8:45 ENHANCED GROWTH OF BENTHIC DIATOMS IN AN ALPINE LAKE IN RESPONSE TO INCREASED ATMOSPHERIC NITROGEN DEPOSITION.
D.M. McKnight, S. Waters, and A. Wolfe. Institute of Alpine and Arctic Research, University of Colorado, Boulder, Colorado, USA 80303

9:00 NUTRIENT LIMITATION EXPERIMENTS IN SUBALPINE LAKES OF THE LOCH VALE WATERSHED, ROCKY MOUNTAIN NATIONAL PARK.
K. Nydick¹, B. Moraska², J. Baron^1,3, and B.M. Johnson². ¹Natural Resource Ecology Laboratory, Colorado State University, ²Department of Fishery & Wildlife Biology, Colorado State University, ³U.S. Geological Survey

9:15 THE EFFECT OF SEDIMENT NUTRIENT ENRICHMENT AND GRAZERS ON THE MYRIOPHYLLUM SIBIRICUM EPIPHYTE COMMUNITY.
A. Pinowska^1,2 and R.L. Lowe^1,2. ¹Department of Biological Sciences, Bowling Green State University, Bowling Green, OH, 43403-0212, ²University of Michigan Biological Station, Pellston, MI, 49769

9:30 EFFECT OF LIGHT AND NUTRIENT AVAILABILITY ON RESOURCE ALLOCATION, GROWTH, CARBON/NITROGEN BALANCE, PHENOLIC CHEMISTRY, AND SUSCEPTIBILITY TO HERBIVORY IN TWO FRESHWATER MACROPHYTES.
G. Cronin², D.M. Lodge¹, and S. Johnson¹. ¹Department of Biological Sciences, University of Notre Dame, Note Dame, IN 46556, ²Department of Biology, University of Colorado at Denver, Denver, CO 80217

9:45 INFLUENCE OF TWO COMMON BRYOPHYTES ON ACIDITY AND DIVALENT CATION CONCENTRATIONS IN STANDING SPRING WATER.
S.N. Bland¹ and J.C. Makarewicz². ¹Department of Biology, University of Alabama, Tuscaloosa, AL 35487, ²Department of Biolology, State University of New York, Brockport, NY 14420