COS 109 - Environmental Gradients

Wednesday, August 8, 2012: 1:30 PM-5:00 PM
E142, Oregon Convention Center
1:30 PM
 An ecotone pattern is revealed only after controlling for spatial blurring effects
Yaron Ziv, Ben-Gurion University; Yoni Gavish, Ben-Gurion University of the Negev
2:10 PM
 Patterns of gene flow and genetic variation inform mechanisms underlying climatic limits of a species' range
Jason P. Sexton, University of California, Merced; Matthew B. Hufford, University of California, Davis; Ashley Bateman, University of Oregon; David B. Lowry, University of Austin; Harald Meimberg, Restoration Ecology, Technische Universität München; Sharon Y. Strauss, University of California, Davis; Kevin J. Rice, University of California Davis
2:50 PM
 Environmental impacts on complex life cycles: Results from mosquitoes response to temperature variation
Francis N. Ezeakacha, University of Southern Mississippi; Donald A. Yee, University of Southern Mississippi
3:10 PM
3:20 PM
 Topoclimatic influences on climatic water balance in complex terrain: Implications for modeling tree species distributions
Zachary Holden, U.S. Forest Service; Solomon Dobrowski, University of Montana; John Abatzoglou, University of Idaho
3:40 PM
 Desert seasonal rainfall variability and seed retention in Chorizanthe rigida
Alejandra Martinez-Berdeja, University of California, Riverside
4:00 PM
 Influence of resource gradients on soil microbial communities in a polar desert
Kevin M. Geyer, Virginia Tech; A. E. Altrichter, Virginia Tech; John E. Barrett, Virginia Polytechnic and State University; C. Takacs-Vesbach, University of New Mexico; M. N. Gooseff, Pennsylvania State University
4:40 PM
 Tree-grass interactions in savannas: Investigating competitive and facilitative mechanisms across a precipitation gradient
Justin Dohn, Colorado State University; Niall P. Hanan, South Dakota State University; Andrew Tredennick, Colorado State University; Fadiala Dembélé, Institut Polytechnique Rurale; Moussa Karembé, Université de Bamako