Community Ecology II

Session 20 (Contributed)
Thursday, May 29, 10:15 AM-12:00 PM, Athena IJ
Moderator: Colburn

10:15 (132) Size structure influences the functional roles of crayfish (Orconectes propinquus) in a stream community (Shivering Sands Creek,Wisconsin).
J.D. Hoekstra and D.A. Soluk. Department of Animal Biology, University of Illinois, Urbana, IL 61801

10:30 (133) Ontogenetic ecology of the signal crayfish, Pacifastacus leniusculus, in a small temperate stream.
C.A. Bondar and J.S. Richardson. Department of Forest Sciences, University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z4

10:45 (134) The best place to eat: food availability vs. predation risk in lotic crayfish habitat selection .
C.A. Flinders¹ and D.D. Magoulick². ¹Patrick Center for Environmental Research, The Academy of Natural Sciences, Philadelphia, Pennsylvania 19103, ²Arkansas Cooperative Fish and Wildlife Research Unit, Department of Biological Sciences, University of Arkansas, Fayetteville, Arkansas 72701

11:00 (135) A stream field experiment on the effects of light levels across a nutrient gradient on algae and invertebrate grazers.
W.K. Taulbee. Department of Biology, University of California, Santa Barbara, California 93106

11:15 (136) Landscape effects on stream water chemistry and benthic productivity.
S.E. Fanta, C.L. Pederson, and R.U. Fischer. Department of Biological Sciences, Eastern Illinois University, Charleston, Illinois 61920

11:30 (137) An inventory of the order Ephemeroptera in Panthertown Valley, Jackson County, North Carolina.
M.W. Swaim. Department of Biology, Western Carolina University, Cullowhee, North Carolina

11:45 (138) Longitudinal complexity in headwater streams in Central Massachusetts.
E.A. Colburn¹, J. Choiniere², H. Jensen-Herrin^1,3, D. Williams⁴, and C. Dunn². ¹Harvard Forest, Harvard University, PO Box 68, Petersham, MA 01366 USA, ²Wachusett Meadow Wildlife Sanctuary, Massachusetts Audubon Society, Goodnow Road, Princeton, MA 01541 USA, ³Antioch New England Graduate School, 40 Avon Street, Keene, NH 03431 USA, ⁴Massachusetts Department of Environmental Management, Wachusett Mountain State Reservation, Mountain Road, Princeton, MA 01541 USA