Periphyton

Session 37 (Contributed)
Friday, May 30, 3:15 PM-5:00 PM, Athena GH
Moderator: Vadeboncoeur

3:15 (250) Periphyton growth and phosphorus accumulation in the Southern Everglades: comparison of periphyton on natural and artificial substrata.
A. Pinowska, L.J. Scinto, E.E. Gaiser, M. Gantar, S. Thomas, and R.J. Jones. Southeast Environmental Research Center, Florida International University, University Park, Miami FL 33199

3:30 (251) Substratum as a determinant of periphyton chlorophyll and productivity in heterogeneous benthic habitats.
Y. Vadeboncoeur^1,2, J. Kalff², and E. Jeppesen³. ¹EEOB, Iowa State University, Ames, Iowa, USA 50011, ²Biology Department, McGill University, Montreal, Quebec, Canada H3A 1B1, ³National Environmental Research Institute, Silkeborg, Denmark

3:45 (252) DOC derived from elevated CO₂-altered leaf litter: impacts on stream periphyton growth and community structure.
J.S. Kominoski^1,3, N.C. Tuchman^1,3, P.A. Moore^3,4, C.G. Peterson², and R.G. Wetzel⁵. ¹Department of Biology, Loyola University Chicago, 6525 N. Sheridan Road, Chicago, IL 60626 , ²Department of Natural Science, Loyola University Chicago, 6525 N. Sheridan Road, Chicago, IL 60626, ³The University of Michigan Biological Station, Pellston, MI 49769., ⁴Laboratory for Sensory Ecology and the Department of Biological Sciences, Bowling Green State University, Bowling Green, OH 43403, ⁵Department of Environmental Science and Engineering, University of North Carolina, Chapel Hill, NC 27599

4:00 (253) Trends in epilythic autotrophic biomass in a pool - riffle sequence of the lower reach of a small tributary of Crati river (Calabria region - Italy).
L. Lucadamo¹, L. Gallo¹, M. Battegazzore², and A. Morisi². ¹Department of Ecology, University of Calabria, via Pietro Bucci, Arcavacata di Rende (Cs), 87036, Italy, ²ARPA - Piemonte, Department of Cuneo, via Massimo D' Azeglio 4, Cuneo, I - 12100, Italy

4:15 (254) Macronutrient limitation of nitrogen fixation and periphyton biomass along sub-alpine watersheds.
A.M. Marcarelli and W.A. Wurtsbaugh. Department of Aquatic, Watershed and Earth Resources/Ecology Center, Utah State University, Logan, Utah 84322

4:30 (255) The effect of riparian fertilization on periphyton production in two western Idaho streams.
A.T. Rugenski¹, G.W. Minshall¹, and R.J. Danehy². ¹Department of Biological Sciences, Idaho State University, Pocatello, ID 83201, ²Weyerhaeuser Corporation, Eugene, OR

4:45 (256) Quality comparison of diatom species data generated by multiple analysts.
N.D. Slavchova¹, K.M. Manoylov², and Y. Pan³. ¹Environmental Sciences and Resources, Portland State University, Portland, OR 97207, ²Department of Zoology, Michigan State University, East Lansing, MI 48824, ³Environmental Sciences and Resources, Portland State University, Portland, OR 97207