93rd ESA Annual Meeting (August 3 -- August 8, 2008)

8:00 AM

COS 17-1

Effects of thinning, lime addition, and litter removal on soil respiration in red pine plantations in Ontario, Canada
Yuanying Peng, College of DuPage; S. C. Thomas, University of Toronto; Dalun Tian, Central South University of Forestry and Technology

8:20 AM

COS 17-2

Atmospheric CO₂ enrichment facilitates cation losses from rice paddy soils
Lei Cheng, Zhejiang University; Jianguo Zhu, Chinese Academy of Sciences; Gaiping Chen, Chinese Academy of Sciences; Xunhua Zheng, Chinese Academy of Sciences; Neung-Hwan Oh, Yale University; Thomas W Rufty, North Carolina State University; Daniel Richter, Duke University; Shuijin Hu, North Carolina State University

8:40 AM

COS 17-3

Soil surface CO₂flux of northern hardwood soils following experimental manipulations - CANCELLED. REPLACED WITH M. WALLENSTEIN (SEE COS 110-7)
Jennifer L. Stoffel, Upper Iowa University; Jodi A. Forrester, University of Wisconsin; Stith T. Gower, University of Wisconsin Madison; David J. Mladenoff, University of Wisconsin-Madison

9:00 AM

COS 17-4

New coupled vegetation-carbon model used inversely for reconstructing carbon storage from pollen data
Changhui Peng, University of Quebec at Montreal; Haibin Wu, University of Quebec at Montreal; Joel Guiot, CNRS/Université Paul Cézanne; Zhengtang Guo, Chinese Academy of Sciences

9:20 AM

COS 17-5

Eleven years of elevated atmospheric CO₂exposure increases microbial respiration and decreases inorganic N concentrations in deep soil in a Florida scrub-oak ecosystem
Duncan C. McKinley, US Forest Service; Julio C. Romero, Smithsonian Environmental Research Center; Bruce A. Hungate, Northern Arizona University; Bert G. Drake, Smithsonian Environmental Research Center; James P. Megonigal, Smithsonian Environmental Research Center

9:40 AM

COS 17-

Break

9:50 AM

COS 17-6

Nitrogen fertilization differentiates carbon and nitrogen sequestrations in terrestrial ecosystem: A meta-analysis
Meng Lu, Smithsonian Environmental Research Center; Yiqi Luo, University of Oklahoma; Bo Li, Fudan University

10:10 AM

COS 17-7

Nitrogen addition stimulates decomposition by boreal forest fungi
Steven Allison, University of California, Irvine; David S. LeBauer, University of Arizona; M. Rosario Ofrecio, University of California, Irvine; Randy Reyes, University of California, Irvine; Tri M. Tran, University of California, Irvine

10:30 AM

COS 17-8

Nitrogen amendments and woody encroachment increase enzymatic activity driving decomposition in a mesic grassland
Lisa K. Tiemann, University of Kansas; Sharon A. Billings, University of Kansas

10:50 AM

COS 17-9

Seasonal patterns in carbon and nitrogen limitations to microbial activity in a semi-arid soil
Toby D. Hooker, Utah State University; John M. Stark, Utah State University

11:10 AM

COS 17-10

Impacts of nitrogen fertilization on CO₂ in six northeastern forest soils
Marissa Weiss, Cornell University; Christine Goodale, Cornell University

COS 17 - Carbon Cycling: Soils II