95th ESA Annual Meeting (August 1 -- 6, 2010)

COS 100 - Invasion: Species Interactions I

Thursday, August 5, 2010: 1:30 PM-5:00 PM
409, David L Lawrence Convention Center
Presider:
Andrew J. Tanentzap
1:30 PM
Negative impacts and comparative allelopathic effects of Ranunculus ficaria, lesser celandine, a riparian ephmeral invasive plant
Kendra A. Cipollini, Wilmington College; Kelly Schradin, Wilmington College; Kyle Titus, Wilmington College; Crystal Wagner, Wilmington College
1:50 PM
Direct vs indirect competitive effects of exotic plants on locally-declining natives
Angela J. Brandt, Landcare Research; Eric W. Seabloom, University of Minnesota
2:10 PM
Positive and negative biotic interactions regulate conifer invasion of prairie ecosystems
Ryan D. Haugo, The Nature Conservancy; Jonathan Bakker, University of Washington; Charles B. Halpern, University of Washington
2:30 PM
Priority effects benefits non-native more than native plants
Timothy L. Dickson, Michigan State University; Brian J. Wilsey, Iowa State University
2:50 PM
Disrupting mycorrhizal mutualisms: A potential mechanism by which exotic tamarisk outcompetes native cottonwoods
Kelley A. Meinhardt, New Mexico State University; Catherine Gehring, Northern Arizona University
3:10 PM
3:20 PM
Effects of root interactions on Wyoming big sagebrush root growth
Upekala C. Wijayratne, USGS Forest and Rangeland Ecosystem Science Center; David A. Pyke, U.S. Geological Survey
3:40 PM
Investigating the novel weapons hypothesis from the perspective of a native understory plant, American ginseng (Panax quinquefolius L.)
Alyssa B. Hanna, West Virginia University; Kerry L. Wixted, West Virginia University; James B. McGraw, West Virginia University
4:40 PM