Wednesday, August 8, 2007: 8:00 AM-11:30 AM
N, San Jose McEnery Convention Center
COS 66 - Ecology of grassland habitats
8:00 AMCOS 66-1Native grasslands and meadows in Pennsylvania: Their history and current condition
Roger Earl Latham, Continental Conservation, James F. Thorne, Natural Lands Trust
8:20 AMCOS 66-2Contrasting responses of Swiss grasslands to simulated summer drought
Anna K. Gilgen, ETH Zurich, Switzerland, Constant Signarbieux, University of Berne, Switzerland, Urs Feller, University of Berne, Switzerland, Nina Buchmann, ETH Zurich, Switzerland
8:40 AMCOS 66-3Photosynthetic water use efficiency and biomass of Sorghastrum nutans (C4) and Solidago canadensis (C3) in three soils along a CO2 concentration gradient
Philip A. Fay, USDA, Agricultural Research Service, Dafeng Hui, Duke University, Andrew Procter, Duke University, Virginia L. Jin, USDA, Agricultural Research Service, Hyrum B. Johnson, USDA, Agricultural Research Service, H. Wayne Polley, USDA, Agricultural Research Service, Robert B. Jackson, Duke University
9:00 AMCOS 66-4The effects of fire frequency and grazing on tallgrass prairie plant composition and productivity are mediated though bud bank demography
Harmony J. Dalgleish, Kansas State University, David C. Hartnett, Kansas State University
9:20 AMCOS 66-5Spatial-temporal effects of grazing on root metabolism in grasslands of Yellowstone National Park
Michele A. Thorne, Syracuse University, Douglas A. Frank, Syracuse University
9:40 AM Break
9:50 AMCOS 66-6Dispersal limitation of plant diversity influences biomass production in montane European grasslands
Claudia Stein, Helmholtz Centre for Environmental Research (UFZ), Harald Auge, Helmholtz Centre for Environmental Research (UFZ), Markus Fischer, University of Bern, Daniel Prati, University of Potsdam, Wolfgang W. Weisser, University of Jena
10:10 AMCOS 66-7Earthworms as drivers of the competition between grasses and legumes
Nico Eisenhauer, Darmstadt University of Technology, Stefan Scheu, Darmstadt University of Technology
10:30 AMCOS 66-8Root heterogeneity and production in Agropyron cristatum (crested wheatgrass) and native grassland
Brenda M. Vaness, University of Regina, Scott D. Wilson, University of Regina, Andrew S. MacDougall, University of Guelph

See more of Contributed Oral and Poster Abstracts

See more of The ESA/SER Joint Meeting (August 5 -- August 10, 2007)