Urban Ecology

Session 41 (Contributed)
Saturday, May 31, 8:00 AM-9:45 AM, University
Moderator: Hershey

8:00 (277) Macroinvertebrate recolonization dynamics in response to drought and flood in three Austin, Texas streams: effects of urbanization.
B.L. Holmes and T.L. Arsuffi. Department of Biology-Aquatic Station, Southwest Texas State University, San Marcos, TX 78666

8:15 (278) Interactions of land cover, stream channel geometry, and benthic macroinvertebrate community structure in an urban watershed.
C.J. Geraci^1,2 and S.J. Maunz¹. ¹Curriculum in Ecology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, ²Department of Entomology, Clemson University, Clemson, SC 29634-0365

8:30 (279) Effects of a wastewater treatment plant on the energy flow through the macroinvertebrate community in an urban stream.
G.A. Singer, G. Weigelhofer, M. Panzenboeck, C. Marchesani, and T.J. Battin. Institute of Ecology and Conservation Biology, University of Vienna, Austria

8:45 (280) Ammonium and phosphorus uptake in urban and forested headwater streams.
C.A. Gibson and J.L. Meyer. Institute of Ecology, University of Georgia, Athens, GA 30602

9:00 (281) Denitrification potential rates in an agricultural and an urban Mediterranean stream.
G. Canals¹, E. Martí², and F. Sabater¹. ¹Departament d'Ecologia, Facultat de Biologia, Universitat de Barcelona, Barcelona, Spain, ²Centre d'Estudis Avancats de Blanes (CSIC), Blanes, Spain

9:15 (282) Effects of point sources on nutrient dynamics across European streams with different degrees of human alteration.
E. Martí¹, F. Sabater², P. Vervier³, T. Battin⁴, S. Gafny⁵, M. Morais⁶, M. Pusch⁷, A. Solimini⁸, C. Voreadou⁹, and J.L. Riera². ¹Centre d’Estudis Avancats de Blanes (CSIC), Acces a la Cala St. Francesc, 14, 17300 Blanes, Spain , ²Departament d’Ecologia, Universitat de Barcelona, Diagonal 645, Barcelona 08028, Spain, ³Centre d'Ecologie des Systèmes Aquatiques Continentaux – UMR C5576 – CNRS - Université Paul Sabatier, Rue Jeanne Marvig 29, 31055 Toulouse, ⁴Department of Limnology, Institute of Ecology and Conservation Biology, Althanstrasse 14, 1090 Viena, Austria , ⁵Institute for Nature Conservation Research, Ramat Aviv, 699778 Tel Aviv, Israel , ⁶Centro de Ecologia Aplicada, Universidade de Evora, Largo dos Colegiais 2, 7002-554 Evora, Portugal , ⁷Institut fuer Gewaesseroekologie und Binnenfisherei, Mueggelseedamm 310, 12587 Berlin, Germany, ⁸Dipartamento di Biologia, Universitá di Roma , ⁹Natural History Museum of Crete, University of Crete, Knossou Avenue, 714 09 Heraklion, Greece

9:30 (283) Use of stable isotopes to trace sewage effluent through a forested low order stream in the vicinity of Greensboro, NC.
A.E. Hershey, A.J. Ulseth, and K. Fortino. Department of Biology, University of North Carolina - Greensboro, Greensboro, NC 27402