Oral Session 96: Forest Ecology V: Soils and Nutrient Cycling.
Presiding: G Newman and S Bigelow
Thursday, August 5, 8:00 AM to 11:30 AM, Meeting Room B 114.
8:00 AM Templer, Pamela*,1, Pett-Ridge, Jennifer1, Silver, Whendee1, Firestone, Mary1, 1 University of California, Berkeley, CA, USA Controls on nitrogen retention and loss in tropical forest soils: Part 1. Patterns of nitrogen cycling.
8:20 AM Pett-Ridge, Jennifer*,1, Templar, Pamela 1, Silver, Whendee1, Firestone, Mary1, 1 U.C. Berkeley --Ecosystem Sciences, Berkeley, CA, USA Controls on nitrogen rentention and loss in tropical forest soils: Part II. Linking microbial community structure to nitrogen cycling.
8:40 AM Newman, Greg1, 2, Arthur, Mary 1, Muller, Bob1, 3, 1 Department of Forestry, Lexington, KY2 School of Forestry, Flagstaff, AZ3 Santa Barbara Botanic Garden, Santa Barbara, CA Species composition strongly influences soil fertility in a mixed mesophytic forest.
9:00 AM Lawrence, Deborah*,1, Chazdon, Robin2, Redondo, Alvaro3, 1 University of Virginia, Charlottesville, VA2 University of Connecticut, Storrs, CT3 Yale University, New Haven, CT Tree species effects on productivity and nutrient cycling in tropical rainforest.
9:20 AM Knorr, Melissa*,1, Frey, Serita1, Curtis, Peter2, 1 University of New Hampshire, Durham, NH, USA2 Ohio State University, Columbus, OH, USA A meta-analysis of nitrogen enrichment affects on litter decomposition.
9:40 AM Break.
9:50 AM Hubbard, Robert1, Ryan, Michael1, 2, Elder, Kelly1, 2, Rhoades, Charles1, 1 USDA Forest Service, Fort Collins, Colorado2 Colorado State University, Fort Collins, Colorado Seasonal patterns in soil surface CO2 flux under snow cover in 50 and 300 year old subalpine forests.
10:10 AM Hicks, William*,1, Chen, Hua2, 1 Department of Biology, Bethany, WV, USA2 Department of Forest Science, Corvallis, OR, USA High asymbiotic nitrogen fixation rates in decomposing roots.
10:30 AM Hernandez, Daniel*,1, Hobbie, Sarah*,1, 1 University of Minnesota, St. Paul, Minnesota, USA Effects of litter nutrients and soil nutrient availability on decomposition along an experimental fire frequency experiment in oak savanna.
10:50 AM Dilustro, John*,1, Collins, Beverly1, Duncan, Lisa1, Crawford, Chris1, 1 Savannah River Ecology Laboratory, Aiken, SC, 29802 Soil respiration, microbial biomass and fine root production in forests of varying soil texture.
11:10 AM Cheng, Weixin*,1, Fu, Shenglei1, Susfalk, Richard2, Mitchell, Robert3, 1 University of California-Santa Cruz, Sanrta Cruz, California2 Desert Research Institute, Reno, Nevada3 Jones Ecological Research Center, Newton, Georgia Assessing tree rhizosphere carbon dioxide efflux using a natural 13C tracer method.
All materials copyright The Ecological Society of America (ESA), and may not be used without written permission.