COS 110 - Invasion: Species Interactions II

Thursday, August 6, 2009: 1:30 PM-5:00 PM
Grand Pavillion II, Hyatt
Presider:
Margherita Gioria, University College Dublin
1:50 PM
 Do mutualisms aid invasion? Differential use of carbohydrate resources by invasive ants in their native and invasive ranges
Shawn M. Wilder, University of Sydney; Micky D. Eubanks, Texas A&M University; David Holway, University of California, San Diego; Andrew V. Suarez, University of Illinois at Urbana-Champaign; Edward G. LeBrun, University of Texas at Austin
2:10 PM
 Pollination of an invasive orchid, Cyrtopodium polyphyllum (Orchidaceae), by an invasive oil-collecting bee (Centris nitida) in southern Florida
Hong Liu, International Center for Tropical Botany and Department of Earth and Environment, Florida International University, Miami, Florida; Robert W. Pemberton, USDA ARS Invasive Plant Research Lab
2:30 PM
 Effects of nonnative Phragmites australis on native amphibian larval performance
Mary A. Rogalski, Yale University; David K. Skelly, Yale University
2:50 PM
 Evolutionarily labile species interactions and spatial spread dynamics of invasions
Alex Perkins, University of California; Alan Hastings, University of California, Davis
3:10 PM
3:20 PM
 A native herbivore’s preference for invasive Tamarix sp. may limit the plant's range expansion in the central United States
Wyatt I. Williams, Colorado State University; Andrew Norton, Colorado State University
3:40 PM
 The perils of an unreliable partner: Ant-barrel cactus mutualisms in the face of invasion
David Holway, University of California, San Diego; John Ludka, University of California, San Diego
4:00 PM
 Climate range-expanding plant species experience lower herbivore loads, but higher predator pressure
Tim Engelkes, University of California Berkeley; Bart Wouters, Netherlands Institute of Ecology (NIOO-KNAW); T. Martijn Bezemer, Netherlands Institute of Ecology (NIOO-KNAW); Jeffrey A. Harvey, Netherlands Institute of Ecology (NIOO-KNAW); Wim H. Van der Putten, Netherlands Institute of Ecology
4:20 PM
 The invasive plant Lespedeza cuneata attracts more insect pollinators than its native congeners in tallgrass prairie
Teresa M. Woods, Kansas State University; Carolyn J. Ferguson, Kansas State University
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Banner photo by Flickr user greg westfall.