Organic Matter Processing

Session 117 (Poster)
Tuesday, June 8, 1:30 PM-5:00 PM, SRC

(627) Effects of land use change on detrital dynamics in tributaries to the Lower St. Johns River, Florida.
M.A. Chadwick¹, D.R. Dobberfuhl², A.C. Benke¹, A.D. Huryn¹, and K. Suberkropp¹. ¹Department of Biological Sciences, University of Alabama, Tuscaloosa, Al 35487, ²Division of Environmental Sciences, Saint Johns River Water Management District, 4049 Reid St., Palatka, FL 32177

(628) Influence of geomorphology, forest age and woody debris on stream nutrient processing in northern hardwood forests.
R.W. Koch¹, D.L. Guelda¹, J.J. Kragthorpe¹, and B.J. Palik². ¹Department of Biology, Bemidji Sate University, Bemidji, MN 56601, ²North Central Research Station, USDA Forest Service, Grand Rapids, MN 55744

(629) Using weighted average sound pressure to estimate reaeration in stream reaches .
N.B. Morse¹, W.B. Bowden¹, C. Pruden², E. Steiner³, and E. Berger⁴. ¹School of Natural Resources, University of Vermont, Burlington, VT 05405 , ²Landcare Research, PO Box 69, Lincoln 8152, New Zealand, ³Biology Department, Connecticut College, New London, CT 06320, ⁴EAR - Aearo Company, 5447 W. 79th Street, Indianapolis, IN 46268

(630) Leaf litter processing in a neotropical intermittent stream.
J.E. Rincon, E. Leon, and I. Martinez. Departamento de Biologia, Universidad del Zulia, Apdo.526., Maracaibo, Venezuela

(631) Microbial dynamics associated with decomposing Typha latifolia litter in two Lake Erie coastal wetlands: Effects of sedimentation and hydrology.
R. Su¹, R. Amonette², K.A. Kuehn¹, R.L. Sinsabaugh^2,3, and R.K. Neely¹. ¹Department of Biology, Eastern Michigan University, Ypsilanti, Michigan 48197, ²Department of Earth, Ecological and Environmental Science, University of Toledo, Toledo, Ohio 43606, ³Present address: Department of Biology, University of New Mexico, Albuquerque, NM 87131

(632) The effect of nutrient enrichment on the production of leaf-associated microorganisms in a headwater Appalachian stream.
K. Suberkropp¹, V. Gulis¹, A.D. Rosemond², H.S. Weyers³, and J.P. Benstead⁴. ¹Department of Biological Sciences, University of Alabama, Tuscaloosa AL USA 35487, ²Institute of Ecology, University of Georgia, Athens GA USA 30602, ³U. S. Geological Survey, 1289 McD Drive, Dover DE USA 19901, ⁴The Ecosystems Center, Marine Biological Laboratory, Woods Hole, MA USA 02543

(633) Relative importance of conditioning vs. macro-shredders in terrestrial leaf-litter breakdown rates in a tropical stream. .
V.K. Welsh, T.A. Crowl, and T. Heartsill-Scaley. Ecology Center, Utah State University, Logan, Utah 84322

(634) The contribution to concentrations of dissolved organic carbon through the sloppy feeding of the amphipod Gammarus pseudolimnaeus feeding on Daphnia magna.
K Wolgemuth¹ and D.C. Lasenby². ¹Watershed Ecosystem Graduate Program, Trent University, Peterborough, ON, K9J 7B8, ²Department of Biology, Trent University, Peterborough, ON, K9J 7B8