Population Ecology 2

Session 57 (Contributed)
Thursday, June 10, 10:15 AM-12:00 PM, IRC2
Moderator: D. Hart

10:15 (384) Seasonal time constraints and the development-size trade-off: pond drying delays development in a wetland caddisfly (Limnephilus externus).
J.E. Jannot^1,3 and S.A. Wissinger^2,3. ¹Department of Biological Sciences, Purdue University, West Lafayette, IN USA 47907, ²Departments of Biological and Environmental Sciences, Allegheny College, Meadville, PA USA 16335, ³Rocky Mountain Biological Laboratory, Gothic, CO USA 81224

10:30 (385) Population fluctuations in caddisflies inhabiting high-elevation wetlands in central Colorado.
S.A. Wissinger^1,2. ¹Biology Department, Allegheny College, Meadville, PA 16335 USA, ²Rocky Mountain Biological Laboratory, Crested Butte, CO 81224 USA

10:45 (386) Life history plasticity of an alpine caddisfly: environmental cues signaling an approaching time horizon.
L.N.S. Shama and C.T. Robinson. Department of Limnology, EAWAG/ETHZ, 8600 Duebendorf, Switzerland

11:00 (387) Genetics of parthenogenesis in two Centroptilum mayflies: is facultative parthenogenesis in mayflies a backup reproductive strategy?
D.H. Funk, B.W. Sweeney, and J.K. Jackson. Stroud Water Research Center, 970 Spencer Rd., Avondale, Pennsylvania 19311, USA

11:15 (388) Predator-induced selection on upstream flight.
B.W. Taylor^1,2 and B.L. Peckarsky^2,3. ¹Department of Zoology and Physiology, University of Wyoming, Laramie, Wyoming 82071, ²Rocky Mountain Biological Laboratory, P.O. Box 519, Crested Butte, Colorado 81224, ³Department of Entomology, Cornell University, Ithaca, New York 14853

11:30 (389) Snail growth, elemental composition, and the Growth Rate Hypothesis.
R.S. Stelzer and M.P. Shupryt. Department of Biology and Microbiology, University of Wisconsin Oshkosh, Oshkosh, WI, USA

11:45 (390) Allocation of resources with respect to chemical defenses: when is it possible to grow and defend?
G Cronin. Department of Biology, University of Colorado at Denver, Denver, CO 80217