Ecosystem Function in Bioassessment: Comparisons and Opportunities I

Session 21 (Special)
Friday, May 30, 8:00 AM-9:45 AM, Athena E
Moderator: Paul

8:00 (139) Ecosystem measures of river health.
S.E. Bunn. Cooperative Research Centre for Freshwater Ecology, Centre for Catchment and In-Stream Research, Griffith University, Nathan, Queensland, Australia.

8:15 (140) Litter breakdown to assess functional stream integrity .
M.O. Gessner¹ and E. Chauvet². ¹Department of Limnology, EAWAG, Limnological Research Centre, 6047 Kastanienbaum, Switzerland, ²Laboratoire Dynamique de la Biodiversité (CNRS-UPS), 29 rue Jeanne Marvig, 31055 Toulouse Cedex, France

8:30 (141) Functional responses of mountain streams to mine drainage.
D.K. Niyogi¹, W.M. Lewis, Jr.², and D.M. McKnight². ¹Department of Biological Sciences, University of Missouri-Rolla, Rolla, MO 65409-1120, ²University of Colorado, Boulder, CO 80309

8:45 (142) Linking stream form to whole-stream metabolism in an Arctic tundra landscape .
W.B. Bowden¹, C.P. Crockett², J.L. Mosher³, C. Pruden⁴, and E. Steiner⁵. ¹The School of Natural Resources, University of Vermont, Burlington, VT 05401, ²The Ecosystems Center, Marine Biological Laboratory, Woods Hole, MA 02543, ³Trinity College, Hartford, CT 06106, ⁴Landcare Research, Lincoln, New Zealand 8152, ⁵Connecticut College, New London, CT 06320

9:00 (143) Nitrogen stable isotope ratios of aquatic biota as indicators of perturbations on adjacent watersheds.
G. Cabana, C. Anderson, and M. Bertrand. Département de Chimie-Biologie, Université du Québec à Trois-Rivières, Trois-Rivières, Québec, Canda G8A 5H7

9:15 (144) Benthic metabolism as an indicator of stream ecosystem health.
C.S. Fellows¹, J.W. Udy¹, J.E. Clapcott¹, B.D. Harch², S.E. Bunn¹, and P.M. Davies³. ¹Centre for Catchment and In-Stream Research, Griffith University, Nathan, QLD 4111, Australia, ²CSIRO Mathematical and Information Sciences, PO Box 120, Cleveland, QLD 4163, Australia, ³Centre of Excellence in Natural Resource Management, The University of Western Australia, 444 Albany Highway, Albany, WA 6330, Australia

9:30 (145) Stream ecosystem metabolism as a function of riparian zone management .
T.L. Bott and J.D. Newbold. Stroud Water Research Center, 970 Spencer Rd., Avondale PA 19311