97th ESA Annual Meeting (August 5 -- 10, 2012)

8:00 AM

COS 138-1

Measuring the sustainability and community responses to ten-years of exotic control in Southern California grasslands
Seema Mangla, University of California, Berkeley; Margaret Royall, University of California at Irvine; Katharine N. Suding, University of California at Berkeley

8:20 AM

COS 138-2

The effects of fire, climate and pCO₂ on C₄grass abunadance in equatorial East African grassland communities over the past 25,000 years: An evaluation of the C₄-fire hypothesis
Michael A. Urban, University of Illinois Urbana-Champaign; David M. Nelson, University of Maryland Center for Environmental Science; Dirk Verschuren, Ghent University; Feng Sheng Hu, University of Illinois at Urbana-Champaign

8:40 AM

COS 138-3

The water sourcing strategy of drought affected temperate grasslands
Ulrich E. Prechsl, ETH Zurich; Ansgar Kahmen, ETH Zurich; Albin Hammerle, University of Innsbruck; Susanne Burri, Institute of Agricultural Sciences, ETH Zürich,; Anna K. Gilgen, University of Bern; Nina Buchmann, Institute of Agricultural Science, ETH Zurich

9:00 AM Cancelled

COS 138-4

Annual root productivity and chemical composition responses to shrub encroachment and prescribed fire
Matthew P. Linden, Emporia State University; Brenda A. Koerner, Emporia State University

9:20 AM

COS 138-5

Response of a prairie remnant to a historically rare growing season flooding event
Paul H. Zedler, University of Wisconsin-Madison; Bradley M. Herrick, University of Wisconsin - Madison

9:40 AM

COS 138-

Break

9:50 AM

COS 138-6

Shrub-grass interactions in semi-arid rangeland, and their combined effects on soil-mound growth and maintenance
Oren Hoffman, The Jacob Blaustein Institue for Desert Research, Ben Gurion University of the Negev; Bertrand Boeken, Ben-Gurion University of the Negev, Sede Boqer, Israel; Hezi Yitzhaq, The Jacob Blaustein Institue for Desert Research, Ben Gurion University of the Negev

10:10 AM

COS 138-7

Physiological integration of Cornus drummondii and the mechanisms driving woody encroachment in the tallgrass prairie
Paul D. Killian, Kansas State University; John M. Briggs, Kansas State University; Nora M. Bello, Kansas State University

10:30 AM

COS 138-8

Investigating the fate of nitrogen from leaf litter into soil, soil organisms, and plants at a tall grass prairie, by the use of ¹⁵N enrichment
Andrew J. Horton, Colorado State University; Jennifer L. Soong, Colorado State University; Martijn L. Vandegehuchte, Swiss Federal Institute for Forest, Snow and Landscape Research WSL; Diana H. Wall, Colorado State University; M. Francesca Cotrufo, Colorado State University

10:50 AM

COS 138-9

Are wild ungulates eating your conservation lunch? Aspen and shrub recruitment on a remnant Pacific Northwest bunchgrass prairie
Robert V. Taylor, The Nature Conservancy; Lawrie Arends, The Nature Conservancy; William J. Ripple, Oregon State University

COS 138 - Grasslands/Steppe