Thursday, August 9, 2007: 8:00 AM-11:30 AM
Blrm Salon II, San Jose Marriott
COS 99 - Agricultural ecology I: Biogeochemistry management
8:00 AMEffects of weed community species richness on the performance of spring wheat: A neighborhood competition approach
Fred Pollnac, Montana State University, Bruce Maxwell, Montana State University, Fabian Menalled, Montana State University
8:20 AMLocation, timing, and mobility: Understanding a parasitoid guild in fragmented agricultural landscapes
Caterina Nerney, University of California, Berkeley, Stephen C. Welter, University of California, Berkeley
8:40 AMWild pollinator conservation: Opportunities and challenges in mid-Atlantic sustainable agriculture
Annette M. Meredith, University of Maryland
9:00 AMDetermining the agricultural potential of semi-natural Irish grasslands
Tamara Hochstrasser, University College Dublin
9:20 AMDinitrogen fixation by winter-grown chickpea across scales in a Mediterranean climate
Juhwan Lee, University of California - Davis, Johan Six, University of California - Davis, Chris van Kessel, University of California - Davis
9:40 AMBreak
9:50 AMLazy legumes or busy beans? High N fixation rates of winter cover crops across soil fertility levels
Katie L. Monsen, University of California Santa Cruz, Carol Shennan, University of California Santa Cruz
10:10 AMThe effects of early season soil wetting-drying cycles on N dynamics in California rice agroecosystems
Kaden B. Koffler, University of California, Davis, Bruce Linquist, University of California, Davis, James Hill, University of California, Davis, Randall Mutters, University of California, Davis, Christopher Greer, University of California, Davis, Chris van Kessel, University of California, Davis
10:30 AMManaging biological nitrogen fixation: Plant species and soil fertility interactions
Meagan E. Schipanski, Cornell University, Laurie E. Drinkwater, Cornell University
10:50 AMLandscape level heat accumulation and management of agrosystems
Maciej Biernacki, University of Memphis
11:10 AMMeasuring broad scale responses of agro-ecosystems to climate change and CO2
David B. Lobell, Lawrence Livermore National Lab, Christopher B. Field, Carnegie Institution

See more of Contributed Oral and Poster Abstracts

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