Tropical Stream Ecology II

Session 16 (Special)
Thursday, May 29, 10:15 AM-12:00 PM, Athena E
Moderator: Ramirez

10:15 (104) Effects of phosphorus and light on algal communities in lowland neotropical streams, Costa Rica.
R.J. Bixby¹, A. Ramírez², and C.M. Pringle¹. ¹Institute of Ecology, University of Georgia, Athens, Georgia, 30602, ²University of Puerto Rico, San Juan, Puerto Rico, 00936

10:30 (105) Tropical streams as ecological endpoints: comparing functional properties of tropical and temperate streams.
B.W. Taylor¹, A.S. Flecker², and R.O. Hall, Jr.¹. ¹Department of Zoology & Physiology, University of Wyoming, Laramie, WY 82071, ²Department of Ecology & Evolutionary Biology, Cornell University, Ithaca, NY 14853

10:45 (106) Strong interactors, ecosystem engineering and trophic cascades in coastal forest streams of southeast Brazil and southeast Queensland, Australia.
T.P. Moulton¹, R.M.L. Silveira², M.L. De Souza¹, E.F. Brito¹, F.A.M. Krsulovic², R.V. Koblitz², and S.E. Bunn¹. ¹Centre for Catchment and In-stream Research, Faculty of Environmental Studies, Griffith University, Nathan, Queensland 4111, Australia, ²Ecologia, IBRAG, Universidade do Estado do Rio de Janeiro, RJ, Brazil

11:00 (107) Migratory fishes as material and functional linkages across Neotropical landscapes.
A.S. Flecker¹, B.W. Taylor², R.O. Hall, Jr.², and J.T. Anderson¹. ¹Department of Ecology & Evolutionary Biology, Cornell University, Ithaca, NY 14853, USA, ²Department of Zoology & Physiology, University of Wyoming, Laramie, WY 82071, USA

11:15 (108) Ecological factors determining the distribution of the omnivorous river shrimp, Macrobrachium carcinus, in Puerto Rico.
A.P. Covich¹, T.A. Crowl², B.B. Yoshioka³, and M.S. Wright¹. ¹Fishery and Wildlife Biology, Colorado State University, Fort Collins, CO 80523 USA, ²Ecology Center, Utah State University, Logan, UT 84322 USA, ³U.S. Fish and Wildlife Service, Caribbean FIeld Office, Boqueron, PR 00622 USA

11:30 (109) The ecology of tropical instream flows: an example from the Rio Usumacinta of Mesoamerica.
F.N. Scatena. Department of Earth and Environmental Science, University of Pennsylvania, Philadelphia, PA 19104-6316

11:45 (110) A comparative study on the leaf quality of temperate and tropical species for shredders.
M.A.S. Graça¹ and C. Cressa². ¹Dept. Zoologia e IMAR. Universidade de Coimbra, 3004-517 Coimbra, Portugal, ²Instituto de Biologia Experimental, Facultad de Ciencia,Universidad Central de Venezuela, Apartado Postal 47114, Caracas 1041-A, Venezuela.