COS 27 - Herbivory

Tuesday, August 3, 2010: 8:00 AM-11:30 AM
411, David L Lawrence Convention Center
Presider:
Carolina Quintero, University of Colorado at Boulder
8:00 AM
 Grazing effects of sea urchin diversity in a natural subtidal habitat of the Galapagos Islands
Margarita Brandt, Brown University; Jon D. Witman, Brown University; Angel I. Chiriboga, Brown University
8:20 AM
 Evolution of specialization: a phylogenetic study of host range in the red milkweed beetle (Tetraopes tetraophthalmus)
Sergio Rasmann, University of California at Irvine; Anurag A. Agrawal, Cornell University
8:40 AM
 Ant-aphid interactions are mediated by host plant sex and ant colony nutritional status
William K. Petry, Rocky Mountain Biological Laboratory; Kayla I. Perry, Baldwin-Wallace College; Kailen A. Mooney, University of California, Irvine
9:20 AM
 Sex, bugs, & cuke ‘n' poll: aboveground seeds and belowground deeds
Nicholas A. Barber, Northern Illinois University; Lynn S. Adler, University of Massachusetts
9:40 AM
9:50 AM
 Rhizosphere interactions, carbon allocation, and nitrogen acquisition of Bouteloua gracilis and Pascopyrum smithii  in response to defoliation and elevated atmospheric CO2
David J. Augustine, USDA-ARS; Feike A. Dijkstra, University of Sydney; E. William Hamilton III, Washington and Lee University; Jack A. Morgan, USDA-ARS
10:10 AM
 Plant diversity effects on herbivore induced nutrient input with throughfall and response of the microbial community
Norma Nitschke, Institute of Ecology, Friedrich-Schiller-University; Kerstin Wiesner, Institute of Ecology, Friedrich-Schiller-University; Nico Eisenhauer, Friedrich-Schiller-University Jena; Yvonne Oelmann, University of Tuebingen; Stefan Scheu, Georg-August University; Wolfgang Wilcke, Universität Bern; Wolfgang W. Weisser, Technical University of Munich
10:30 AM
 The lesser of two weevils: Physiological response of spotted knapweed (Centaurea stoebe) to above and belowground herbivory
Stuart C. Wooley, California State University, Stanislaus; David G. Knochel, University of Colorado at Boulder; Bonnie Smith, California State University, Stanislaus; Chad King, University of Missouri; Timothy R. Seastedt, University of Colorado at Boulder
10:50 AM
 Top-down, bottom-up, and horizontal mortality in a herbivorous adapted to different hosts
Angela R. Amarillo-Suárez, Pontificia Universidad Javeriana
11:10 AM
 Interactive effects of grazing and nitrogen deposition in serpentine grasslands
Daniel L. Hernandez, Carleton College; Jae Pasari, University of California, Davis; Paul C. Selmants, University of Hawaii at Manoa
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Banner photo by Flickr user greg westfall.