2003 Seattle Annual Meeting (November 2–5, 2003)

Session No. 101
Monday, 3 November 2003: 1:30 PM-5:30 PM

T23. Ecological Stoichiometry: Elemental Cycling and Biogeochemical Interactions in Ecosystem Processes

GSA Geobiology & Geomicrobiology Division; U.S. Geological Survey

 

Elisabeth Brouwers and Jill Baron, Advocates
Paper #
Start Time
1
1:30 PM
SPATIAL/TEMPORAL VARIATION IN THE BIOLOGICAL CONTROL OF ENVIRONMENTAL CHEMISTRY
REINERS, William A., Wyoming Geographic Information Science Center, Univ of Wyoming, Laramie, WY 82071-4008, reiners@uwyo.edu, reiners@uwyo.edu
2
1:50 PM
Withdrawn
3
2:05 PM
CARBON AND NUTRIENT CYCLING DURING THE SOUTHERN OCEAN IRON ENRICHMENT EXPERIMENTS
COALE, Kenneth H., Moss Landing Marine Laboratories, 8272 Moss Landing Road, Moss Landing, CA 95039, coale@mlml.calstate.edu, coale@mlml.calstate.edu
4
2:20 PM
Withdrawn
5
2:35 PM
FROM ECOLOGICAL STOICHIOMETRY TO BIOGEOCHEMICAL CYCLES: “STRUCTURAL” CARBON AS AN EXAMPLE
SUNDQUIST, Eric T., U.S. Geol Survey, 384 Woods Hole Road, Woods Hole, MA 02543, esundqui@usgs.gov, esundqui@usgs.gov
6
2:50 PM
ENVIRONMENTAL BIOGEOCHEMISTRY OF MERCURY IN FLORIDA EVERGLADES: 1989 – 2003
ATKESON, Thomas, Mercury and Applied Science, Florida Department of Environmental Protection, 2600 Blair Stone Road MS 6540, Tallahassee, FL 32399-2400 and POLLMAN, Curtis, Tetra Tech, Inc. Suite 301, 408 W. University Street, Gainesville, FL 32601-5280, thomas.atkeson@dep.state.fl.us, thomas.atkeson@dep.state.fl.us
 
3:05 PM
Break
7
3:20 PM
EXPERIMENTAL STUDIES OF MICROBIAL MECHANISMS OF METAL SULFIDE OXIDATION: STABLE ISOTOPIC SYSTEMATICS OF SULFATE AND IRON OXIDE
MANDERNACK, Kevin Wayne1, BALCI, Nurgul1, WITTE, Kerstin2, MAYER, Bernhard3, BULLEN, Thomas D.4 and SHANKS III, Wayne C., III5, (1)Department of Chemistry and Geochemistry, Colorado School of Mines, 1500 Illinois St, Golden, CO 80401, (2)Geology and Geological Engineering, Colorado School of Mines, 1500 Illinois St, Golden, CO 80401, (3)Stable Isotope Laboratory, Univ of Calgary, Calgary, AB T2N 1N4, Canada, (4)Water Resources, U. S. Geologic Survey, 345 Middlefield Rd, MS420, Menlo Park, CA 94025, (5)U.S. Geol Survey, PO Box 25046, Denver, CO 80225, kmandern@mines.edu, kmandern@mines.edu
8
3:35 PM
GEOCHEMICAL CHANGES AFFECTING ARSENIC IN THE SEDIMENT OF THE GANGES—BRAHMAPUTRA—MEGHNA RIVER SYSTEM
BREIT, George N.1, WHITNEY, John W.2, FOSTER, Andrea L.3, STOLLENWERK, Kenneth G.4, YOUNT, James C.2, WELCH, Alan H.5 and WILLIAMS, Van S.2, (1)U.S. Geol Survey, Box 25046 MS 973, Denver, CO 80225, (2)U.S. Geol Survey, Box 25046 MS 980, Denver, CO 80225, (3)U.S. Geol Survey, 345 Middlefield Rd. MS 901, Menlo Park, CA 94025, (4)U.S. Geol Survey, Box 25046 MS 413, Denver, CO 80225, (5)U.S. Geol Survey, 333 West Nye Lane, Carson City, NV 89706, gbreit@usgs.gov, gbreit@usgs.gov
9
3:50 PM
INVESTIGATING STOICHIOMETRIC CONSTRAINTS AMONG STROMATOLITES AND GRAZERS IN THERMAL SPRINGS OF CUATRO CIENEGAS, MEXICO
WATTS, J.M.1, SCHAMPEL, J.H.1, ROOPNARINE, P.D.2, ELSER, J.J.1, TANG, C.M.2, HARDEN, J.L.1, MALIGA, Z.Z.3, CARSON, E.W.1 and SAINT-PIERRE, E.C.4, (1)Dept. of Biology, Arizona Sate Univ, Tempe, AZ 85281, (2)Department of Invertebrate Zoology & Geology, California Academy of Sciences, San Francisco, CA 94118, (3)Department of Geosciences, San Francisco State University, San Francisco, CA 94132, (4)Dept. of Biological Sciences, Univ of California, Santa Cruz, Santa Cruz, CA 95064, j.watts@asu.edu, j.watts@asu.edu
10
4:05 PM
PRAIRIE WETLANDS OF NORTH AMERICA IMPORTANT FOR CARBON STORAGE
EULISS, Ned H. Jr.1, GLEASON, Robert A.1, OLNESS, Alan2, MCDOUGAL, Rhonda L.3, MURKIN, Henry R.3, ROBARTS, Richard D.4, BOURBONNIERE, Richard A.5 and WARNER, Barry G.6, (1)U.S. Geological Survey, Northern Prairie Wildlife Rsch Ctr, 8711 37th Street Southeast, Jamestown, ND 58401-7317, (2)U.S. Department of Agriculture, North Central Soil Conservation Rsch Lab, 803 Iowa Ave, Morris, MN 56267-1065, (3)Ducks Unlimited Canada, Institute for Wetlands and Waterfowl Rsch, PO Box 1160, Stonewall, MB R0C 2Z0, (4)Environment Canada, National Water Rsch Institute, 11 Innovation Blvd, Saskatoon, SK S7n 35H, Canada, (5)Environment Canada, National Water Rsch Institute, 867 Lakeshore Road, P.O. Box 5050, Burlington, ON L7R 4A6, Canada, (6)Wetlands Research Centre, Univ of Waterloo, Waterloo, ON N2L 3G1, Canada, robert_gleason@usgs.gov, robert_gleason@usgs.gov
11
4:20 PM
STOICHIOMETRY OF NITROGEN AND BASE CATIONS IN ATMOSPHERIC FED FORESTS OF THE OREGON COAST RANGE
PERAKIS, Steven1, BULLEN, Thomas2, MAGUIRE, Douglas3, CROMACK, Kermit3, BOYLE, Jim3 and WARING, Richard3, (1)USGS Forest and Rangeland Ecosystem Science Center, 3200 SW Jefferson Way, Corvallis, OR 97331, (2)USGS Water Resources Discipline, Menlo Park, CA, (3)Department of Forest Science, Oregon State Univ, Corvallis, OR, sperakis@usgs.gov, sperakis@usgs.gov
12
4:35 PM
SOURCES, CYCLING, AND RESIDENCE TIMES OF SULFUR IN AN ALPINE BASIN IN THE COLORADO ROCKY MOUNTAINS BASED ON d34SSO4, d18OSO4, AND 35SSO4
CLOW, David W., Water Resources Discipline, U.S. Geol Survey, MS 415 Federal Center, Box 25046, Denver, CO 80225, MAST, M. Alisa, U.S. Geol Survey, Denver, CO 80225, KESTER, Cynthia L., U.S. Geological Survey, Stable Isotope Lab, Mail Stop 963, Denver Federal Center, Denver, CO 80225 and MICHEL, Robert L., United States Geol Survey, Menlo Park, CA, dwclow@usgs.gov, dwclow@usgs.gov
13
4:50 PM
SULFUR CYCLING DYNAMICS AND HYDROLOGIC INTERACTIONS AMONG PRAIRIE WETLANDS: THE INFLUENCE OF LANDSCAPE POSITION AND HYDROPERIOD
STRICKER, Craig A.1, GUNTENSPERGEN, Glenn R.2 and RYE, Robert O.1, (1)U.S. Geological Survey, Stable Isotope Lab, Mail Stop 963, Denver Federal Center, Denver, CO 80225, (2)U.S. Geological Survey, Patuxent Wildlife Rsch Ctr, Laurel, MD 20706, cstricker@usgs.gov, cstricker@usgs.gov
14
5:05 PM
SEDIMENTARY SULFUR CYCLING AND OCEAN PRODUCTIVITY NEAR METHANE SEEPS
GILHOOLY III, William P., Department of Environmental Sciences, Univ of Virginia, Charlottesville, VA 22903, MACKO, Stephen A., Department of Environmental Sciences, Univ of Virginia, Clark Hall, Charlottesville, VA 22904 and CARNEY, Robert S., Coastal Ecology Institute, Louisiana State Univ, Baton Rouge, LA 70810, wpg6n@virginia.edu, wpg6n@virginia.edu
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