Hyporheic Processes

Session 51 (Contributed)
Saturday, May 31, 1:00 PM-2:45 PM, University
Moderator: Scarsbrook

1:00 (347) Benthic and subsurface ammonium and nitrate uptake in a headwater montane stream.
C.N. Dahm¹, C.L. Crenshaw¹, C.F. Fellows², H.M. Valett³, J.L. Tank⁴, and M.C. Marshall⁵. ¹Department of Biology, University of New Mexico, Albuquerque, New Mexico 87131, ²Centre for Catchment & Instream Research, Griffith University, Nathan, Queensland, Australia 4111, ³Department of Biology, Virginia Tech, Blacksburg, Virginia 24061, ⁴Department of Biology, University of Notre Dame, Notre Dame, Indiana 46556, ⁵Department of Zoology and Physiology, University of Wyoming, Laramie, Wyoming 82071

1:15 (348) Nitrification rates associated with carbon and nitrogen availability in a southern Appalachian headwater stream.
O.S. Starry and H.M. Valett. Department of Biology, Virginia Polytechnic and State University

1:30 (349) The relation between transport-based uptake coefficients and nutrient spiraling uptake length.
R.L. Runkel. U.S. Geological Survey, Box 25046 - MS 415, Denver Federal Center, Denver CO 80225

1:45 (350) Retention and mitigation of anthropogenic nitrogen and phosphorus in headwater urban riparian systems.
B Bishop, P Mou, and A.E. Hershey. Department of Biology, University of North Carolina Greensboro, Greensboro, NC 27402

2:00 (351) Bacterial metabolism of dissolved organic matter in streams of the Baltimore LTER.
S.E.G. Findlay¹ and E. Harbott². ¹Institute of Ecosystem Studies, Millbrook, NY 12545 USA, ²Monash University, Clayton, Victoria, Australia

2:15 (352) Investigating temporal and spatial patterns of a shallow groundwater ecosystem: emphasis on water chemistry, ciliates, and meiofauna.
K.P. Wilson, O. Andrushchyshyn, and D.D. Williams. Surface and Groundwater Research Group, Division of Life Sciences, University of Toronto at Scarborough, Scarborough, Ontario, Canada M1C 1A4

2:30 (353) Measuring the importance of the hyporheic zone in New Zealand rivers.
M.R. Scarsbrook, J. Horrox, and A. Wright-Stow. National Institute of Water & Atmospheric Research Ltd. PO Box 11-115, Hamilton, New Zealand