Organic Matter Processing

Session 118 (Poster)
Tuesday, June 6, 2:00 PM-5:30 PM, Explorer Hall

(676) Effects of pulse events at different spatial scales on arid land and alpine stream and river ecosystems.
V. Acuña^1,2, C.N. Dahm¹, K. Tockner², P. Reichert², and U. Uehlinger². ¹Department of Biology, University of New Mexico, ²EAWAG, Swiss Federal Institute of Aquatic Sicence and Technology

(677) Decomposition of fine particulate organic matter in a cypress swamp ecosystem.
A.V. Camus, S.C. Vallaire, and C.R. Jackson. Department of Biological Sciences, Southeastern Louisiana University, Hammond, Louisiana, USA 70402

(678) Urbanization affects CPOM dynamics in small Northern Florida Streams.
M.A. Chadwick¹, D.R. Dobberfuhl², A.C. Benke¹, A.D. Huryn¹, and K. Suberkropp¹. ¹Department of Biological Sciences, The University of Alabama, Box 870206, Tuscaloosa, Al, USA , ²Division of Environmental Sciences, Saint Johns River Water Management District, 4049 Reid St.

(679) Effects of aquatic Hyphomycete species on Feeding preferences and growth of the shredder, Pycnopsyche gentilis.
N. Chung and K. Suberkropp. Department of Biological Sciences, University of Alabama, Tuscaloosa, AL 35487-0206, USA

(680) Organic matter breakdown depends on quality of detrital inputs in southern Appalachian headwater streams.
S.L. Eggert¹, J.B. Wallace^1,2, S.A. Entrekin³, J.R. Webster⁴, and J.L. Meyer². ¹Department of Entomology, University of Georgia, Athens, GA, 30602, ²Institute of Ecology, University of Georgia, Athens, GA, 30602, ³Department of Biology, University of Notre Dame, Notre Dame, IN, 46556, ⁴Department of Biology, Virginia Polytechnic and State University, Blacksburg, VA 24061

(681) Influence of stream geomorphology, forest age and woody debris on stream macroinvertebrates in northern hardwood forests. .
D.L. Guelda¹, R.W. Koch¹, J.J. Kragthorpe^1,2, P.C. Goebel³, and B.J. Palik². ¹Department of Biology, Bemidji State University, Bemidji, MN 56601, ²Forest Ecosystem Restoration & Ecology, School of Natural Resources, The Ohio State University, Wooster, OH 44691, ³North Central Research Station, USDA Forest Service, Grand Rapids, MN 55744

(682) Red alder (Alnus rubra) breakdown rates in light and nutrient augmented second order streams of northern California.
O. Hernandez¹, M.A. Wlzbach², K.W. Cummins³, and R.W. Merritt¹. ¹Dept of Entomology, Michigan State University, East Lansing, MI 48824, ²California Coop Fish Research Unit, Humboldt State University, Arcata, CA 95521, ³Institute for River Ecosystems, Humboldt State University, Arcata, CA 95521

(683) Interactive effects of stream geomorphology, forest age and woody debris jams on nutrient processing in streams of northern hardwood forests. .
R.W. Koch¹, D.L. Guelda¹, P.C. Goebel², and B.J. Palik³. ¹Department of Biology, Bemidji State University, Bemidji, MN 56601, ²Forest Ecosystem Restoration & Ecology, School of Natural Resources, The Ohio State University, Wooster, OH 44691, ³North Central Research Station, USDA Forest Service, Grand Rapids, MN 55744

(684) The role of local geology and soil properties in mediating the effects of episodic acidification on leaf breakdown in stream ecosystems of the Adirondack region, New York, USA.
M.A. Neatrour, M. Lynch, A.G. Sammarco, and R.L. Fuller. Department of Biology, Colgate University, New York, USA 13346

(685) Decomposition of wetland plants in a Sonoran Desert stream.
S.T. Norlin and S.G. Fisher. School of Life Sciences, Arizona State University, Tempe, Arizona, 85281

(686) Annual fungal and bacterial productivity associated with benthic and standing-dead litter in a freshwater Typha marsh.
B.M. Ohsowski, S.N. Francoeur, R.K. Neely, and K.A. Kuehn. Biology Department, Eastern Michigan University, Ypsilanti, MI 48197

(687) Seasonal variation in allochthonous and autochthonous organic matter in tropical streams.
C.M. O'Reilly¹, L.M. Yohannes², and R. Shineni³. ¹Bard College, Annandale-on-Hudson, NY 12504 USA, ²Wesleyan College, ³University of Dar es Salaam, Tanzania

(688) Corn pollen as a novel food resource for filtering caddisflies in Midwestern agricultural streams.
J.D. Pokelsek¹, C.A. Chambers², E.J. Rosi-Marshall¹, M.A. Evans-White³, J.L. Tank³, M.R. Whiles², and T.V. Royer⁴. ¹Department of Biology, Loyola University Chicago, Chicago, IL 60626, ²Department of Zoology, Southern Illinois University, Carbondale, IL 62901, ³Department of Biological Sciences, University of Notre Dame, Notre Dame, IN 46556, ⁴The School of Public and Environmental Affairs, Indiana University, Bloomington, IN 47405

(689) Effects of historic and current mining on the decomposition and macroinvertebrate colonization of leaves in the Yankee Fork Salmon River.
A.M. Ray^1,2 and H.L. Ray¹. ¹Fish and Wildlife Department, Shoshone-Bannock Tribes, Ft. Hall, Idaho, 83203, ²Department of Biological Sciences, Idaho State University, Pocatello, Idaho, 83209

(690) Consumer-mediated sediment removal in tropical streams: estimating the relative importance of consumption versus non-consumptive bioturbation.
A. Santana¹, L. Silvestrini², W.F. Cross³, and A. Ramirez⁴. ¹Dept. of Science and Technology, Universidad Metropolitana, San Juan, PR USA 00928, ²Interamerican University, Ponce, PR USA 00731, ³Institute of Ecology, University of Georgia, Athens, GA USA 30602, ⁴Institute for Tropical Ecosystem Studies, University of Puerto Rico, San Juan, PR USA 00931

(691) Egestion rates of tropical stream consumers and implications for the cycling of fine particulate material.
L. Silvestrini¹, A. Santana², A. Ramirez³, and W.F. Cross⁴. ¹Interamerican University, Ponce, PR 00731, ²Dept. of Science and Technology, Universidad Metropolitana, San Juan, PR 00928, ³Institute for Tropical Ecosystem Studies, University of Puerto Rico, San Juan, PR 00931, ⁴Institute of Ecology, University of Georgia, Athens, GA 30602

(692) Carbon dynamics of the Neches River and its floodplain.
A.D. Stamatis and J.H. Kennedy. Department of Environmental Science, University of North Texas, Denton, Texas 76201

(693) Quantifying the role of microbes in running the world: response to nutrient enrichment and effects on ecosystem processes.
C.J. Tant, A.D. Rosemond, and D.E. Conners. Institute of Ecology, University of Georgia, Athens, GA USA 30602