2007 GSA Denver Annual Meeting (28–31 October 2007)

Session No. 157
Tuesday, 30 October 2007: 1:30 PM-5:30 PM

T11. Combined Ecological and Geologic Perspectives in Modern Terrestrial Ecosystems

GSA Geobiology & Geomicrobiology Division; Paleontological Society

 

JoAnn Holloway and Mark Waldrop, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
1
1:35 PM
NUTRIENTS IN GRASSLAND SOILS OF THE CENTRAL COLORADO PLATEAU—SPATIAL CONTROLS BY SUBSTRATE COMPOSITION, GEOMORPHIC SETTING, AND LAND-USE EFFECTS
REYNOLDS, Richard1, NEFF, Jason2, URBAN, Frank3, GOLDSTEIN, Harland4, FERNANDEZ, Daniel2, REHEIS, Marith5 and BELNAP, Jayne6, (1)U.S. Geological Survey, Federal Center, Denver, CO 80225, (2)Dept of Geological Sciences, University of Colorado, Boulder, CO 80309, (3)U.S. Geological Survey, Box 25046 Federal Center, Denver, CO 80225, (4)US Geol Survey, PO Box 25046, Denver, CO 80225-0046, (5)U.S. Geol Survey, Box 25046, MS 980, Denver Federal Center, Denver, CO 80225, (6)United States Geological Survey, 2290 S. Resource Blvd, Moab, UT 84532, rreynolds@usgs.gov, rreynolds@usgs.gov
2
1:55 PM
SAND DEPOSITION AND VEGETATION PATTERNS ON A PARABOLIC DUNE ON THE SOUTHEASTERN SHORE OF LAKE MICHIGAN
DEVRIES-ZIMMERMAN, Suzanne J.1, HANSEN, Edward C.1, ZIETLOW, Ryan1 and WINNETT-MURRAY, Kathy2, (1)Hope College, Geological and Environmental Sciences, Holland, MI 49423, (2)Hope College, Biological Sciences, Holland, MI 49423, zimmerman@hope.edu, zimmerman@hope.edu
3
2:10 PM
POST-FIRE WIND EROSION IN SEMIARID SHRUB STEPPE: OBSERVATIONS FROM FIELD AND REMOTELY SENSED DATA
SANKEY, Joel, Geosciences, Idaho State University, 921 S. 8th Ave Stop 8072, Pocatello, ID 83209, GLENN, Nancy, Geosciences, Idaho State Univ, 12301 W. Explorer Drive, Suite 102, Boise, ID 83713 and GERMINO, Matt, Biological Sciences, Idaho State University, 921 S. 8th Ave Stop 8007, Pocatello, ID 83209, sankjoel@isu.edu, sankjoel@isu.edu
4
2:25 PM
THE REACTION PROGRESS VARIABLE IN ISOTOPE ECOLOGY
CERLING, Thure, Geology and Geophysics, University of Utah, 135 South 1460 East, Salt Lake City, UT 84103, EHLERINGER, James, Department of Biology, University of Utah, 247 South 1400 East, Salt Lake City, UT 84112 and PODLESAK, David, Department of Biology, University of Utah, Salt Lake City, UT 84112, tcerling@earth.utah.edu, tcerling@earth.utah.edu
5
2:45 PM
THE IMPACT OF COAL-BED METHANE SEEPAGE ON A SOIL MICROBIAL COMMUNITY
MILLS, Christopher T.1, SLATER, Gregory F.2, DIAS, Robert F.3 and MANDERNACK, Kevin W.1, (1)Department of Chemistry and Geochemistry, Colorado School of Mines, Golden, CO 80401, (2)School of Geography and Earth Sciences, McMaster University, Hamilton, ON L8S 4K1, Canada, (3)Department of Chemistry & Biochemistry, Old Dominion University, Norfolk, VA 23529, chmills@usgs.gov, chmills@usgs.gov
6
3:00 PM
WEATHERING, MARINE, AND VOLCANIC EMISSION CONTRIBUTIONS OF SULFUR TO HAWAIIAN ECOSYSTEMS AND SOILS
BERN, Carleton R., Univ of California - Santa Barbara, Santa Barbara, CA 93106, KENDALL, Carol, U.S. Geological Survey, MS 434, 345 Middlefield Rd, Menlo Park, CA 95025, HARTSHORN, Tony, Department of Geography, Univ of California, Santa Barbara and CHADWICK, Oliver A., Univ California - Santa Barbara, 3611 Ellison Hall, Santa Barbara, CA 93106, cbern@usgs.gov, cbern@usgs.gov
7
3:15 PM
ORGANIC MATTER AND STABLE ISOTOPIC RECORD IN NAINITAL LAKE SEDIMENTS IN KUMAUN HIMALAYAS, INDIA
CHOUDHARY, Preetam1, ROUTH, Joyanto2, CHAKRAPANI, Govind J.1 and KUMAR, Bhishma3, (1)Department of Earth Sciences, Indian Institute of Technology, Roorkee, 247667, India, (2)Department of Geology and Geochemistry, Stockholm University, Stockholm, S-10691, Sweden, (3)National Institute of Hydrology, Roorkee, 247667, India, ponamdes@iitr.ernet.in, ponamdes@iitr.ernet.in
 
3:30 PM
Break
9
4:00 PM
DISCERNING THE LIMITING NUTRIENT TO PHYTOPLANKTON GROWTH IN RIVERS AND BAYOUS ON THE NORTH SHORE OF LAKE PONTCHARTRAIN
FEARNLEY, Sarah M. and BOHLING, Carl W., University of New Orleans, Research and Technology Park, CERM bldg., Rm. 358, 2000 Lakeshore Drive, New Orleans, LA 70148, cbohling@uno.edu, cbohling@uno.edu
10
4:15 PM
CHANGES IN RIVER ECOLOGICAL FUNCTIONALITY DUE TO RAPID ALTERATIONS OF CHANNEL MORPHOLOGY IN TWO CALIFORNIA RIVERS
ESCOBAR, Marisa I., Land, Air, and Water Resources, Univ of California, Davis, 219 Veihmeyer Hall, 1 Shields Avenue, Davis, CA 95616 and PASTERNACK, Gregory B., Land, Air, and Water Resources, Univ of California, Davis, 211 Veihmeyer Hall, 1 Shields Avenue, Davis, CA 95616, miescobar@ucdavis.edu, miescobar@ucdavis.edu
11
4:30 PM
MICROBIAL MEDIATION OF CARBONATE PRECIPITATION: SATURATION INDEX, EXOPOLYMERIC SUBSTANCES AND COMMUNICATION
VISSCHER, Pieter T., BRAISSANT, Olivier and DUPRAZ, Christophe, Marine Sciences/Geosciences, University of Connecticut, 1080 Shennecossett Road, Groton, CT 06340, pieter.visscher@uconn.edu, pieter.visscher@uconn.edu
12
4:45 PM
ECOLOGY MEETS GEOCHEMISTRY: A NATIONAL ASSESSMENT OF THE BIOGEOGRAPHY OF MICROBIAL COMMUNITIES IN SOILS
WALDROP, Mark P., U. S. Geological Survey, 345 Middlefield Road, MS 962, Menlo Park, CA 94025 and HOLLOWAY, JoAnn M., U.S. Geological Survey, Denver Federal Center, Bldg 20, M.S. 964, Denver, CO 80225, mwaldrop@usgs.gov, mwaldrop@usgs.gov
13
5:00 PM
INFLUENCE OF PARENT LITHOLOGY ON SOIL MICROBIAL COMMUNITIES AS DEFINED BY PHOSPHOLIPID FATTY ACIDS
HOLLOWAY, JoAnn M., U.S. Geological Survey, Denver Federal Center, Bldg 20, M.S. 964, Denver, CO 80225, MORRISON, Jean M., Crustal Imaging and Characterization, USGS, Denver Federal Center, MS 973, Denver, CO 80225 and GOLDHABER, Martin B., Crustal Imaging and Characterization, U. S. Geological Survey, Bldg 20, MS 964, Denver Federal Center, Denver, CO 80027, jholloway@usgs.gov, jholloway@usgs.gov
14
5:15 PM
THE GOLDILOCKS CATENAS OF SOUTH AFRICA: MAXIMUM SOIL DIFFERENTIATION ACROSS GRANITIC HILLSLOPES
HARTSHORN, Tony1, KHOMO, Lesego2, HEIMSATH, Arjun3, ROGERS, Kevin2 and CHADWICK, Oliver A.4, (1)Department of Geology and Environmental Science, James Madison University, 7105A Memorial Hall, MSC 6903, Harrisonburg, VA 22807, (2)Animal, Plant, and Environmental Sciences, University of the Witwatersrand, Private Bag 3, Johannesburg, Wits 2050, (3)Department of Earth Sciences, Dartmouth College, Hanover, NH 03755, (4)Department of Geography, University of California, Santa Barbara, CA 93106-4060, soildoc@gmail.com, soildoc@gmail.com
See more of: Technical Sessions