Session No. 3 Thursday, April 11, 2002

8:00 AM-12:00 PM, Sul Ross State University: Conf.D
S4. Long-Term Biogeochemical Responses to Global Change
John Zak and Robert Stottlemeyer, Presiding
Start Time
8:00 AM Introductory Remarks
8:20 AM THE EFFECTS OF GLOBAL CHANGE ON WATERSHED ECOSYSTEM BIOGEOCHEMISTRY: STOTTLEMYER, Robert, U.S. Geol Survey, 240 W. Prospect Rd, Ft. Collins, CO 80526, robert_stottlemyer@USGS.gov.
8:40 AM ECOSYSTEM DISTURBANCE AND CHANGES IN STREAM CHEMISTRY IN AN OLD-GROWTH FORESTED WATERSHED IN OLYMPIC NATIONAL PARK, WASHINGTON: EDMONDS, Robert L., MCAFEE, Stephanie, and VOLK, Carol, College of Forest Resources, Univ of Washington, Box 352100, Seattle, WA 98195, bobe@u.washington.edu
9:00 AM LONG-TERM CHANGE IN BOREAL WATERSHED ECOSYSTEM NUTRIENT BUDGETS, ISLE ROYALE, MICHIGAN: TOCZYDLOWSKI, David, Dept. Biological Sciences, Michigan Technological Univ, Houghton, MI 49931, T-11@MTU.edu and STOTTLEMYER, Robert, U.S. Geol Survey, 240 W. Prospect Rd, Ft. Collins, CO 80526
9:20 AM MODELING HYDROLOGIC AND BIOGEOCHEMICAL PROCESSES IN LOCH VALE WATERSHED USING THE REGIONAL HYDROECOLOGICAL SIMULATION SYSTEM (RHESSYS): LANDRUM, Laura L., Natural Resource Ecology Laboratory, Colorado State Univ, Fort Collins, CO 80523-1499, llandrum@nrel.colostate.edu, TAGUE, Christina, Department of Geography, San Diego State Univ, San Diego, CA 92182-4493, and BARON, Jill S., USGS, Natural Resource Ecology Laboratory, Colorado State Univ, Fort Collins, CO 80523-1499
9:40 AM CLIMATE CHANGE, FLOWPATH, AND NUTRIENT FLUX IN A TREELINE WATERSHED, NOATAK NATIONAL PRESERVE, ALASKA: STOTTLEMYER, Robert, U.S. Geol Survey, 240 W. Prospect Rd, Ft. Collins, CO 80526, robert_stottlemyer@USGS.gov and STELTZER, Heidi, Forest Science, Colorado State Univ, 240 W. Prospect Rd, Ft. Collins, CO 80526
10:00 AM Break
10:20 AM SPATIAL VARIATIONS IN WATER CHEMISTRY AT SELECTED SPRINGS IN BIG BEND NATIONAL PARK: URBANCZYK, Kevin and WHITE, John C., Earth and Physical Sciences, Sul Ross State Univ, Alpine, TX 79832, kevinu@sulross.edu
10:40 AM THE PINE CANYON WATERSHED PROGRAM: IMPACTS OF CHANGES IN TIMING AND MAGNITUDE OF PRECIPITATION ON PLANT PHYSIOLOGY AND GROWTH: TISSUE, David1, ROBERTS, Erin1, ROBERTSON, Traesha1, ZAK, John1, and URBANCZYK, Kevin2, (1) Biological Sciences, Texas Tech Univ, Lubbock, TX 79409, david.tissue@ttu.edu, (2) Earth and Physical Sciences, Sul Ross State Univ, Alpine, TX 79832
11:00 AM THE PINE CANYON WATERSHED PROGRAM: SOIL NITROGEN DYNAMICS AND PATTERNS OF ANTHROPOGENIC INPUTS: HERNANDEZ, Cecilia1, ZAK, John C.1, URBANCZYK, Kevin2, SOBEK, Edward1, BICKLE, Michael1, and GRIZZLE, Heath1, (1) Biological Sciences, Texas Tech Univ, Lubbock, TX 79409, cehernan@ttacs.ttu.edu, (2) Earth and Physical Sciences, Sul Ross State Univ, Alpine, TX 79832
11:20 AM THE PINE CANYON WATERSHED PROGRAM: UNDERSTANDING GLOBAL CHANGE IMPACTS ON SOIL MICROBIAL DYNAMICS: ZAK, John1, HERNANDEZ, Cecilia1, SOBEK, Edward1, URBANCZYK, Kevin2, BICKLE, Michael1, and GRIZZLE, Heath1, (1) Biological Sciences, Texas Tech Univ, Lubbock, TX 79409, yzjoz@ttacs.ttu.edu, (2) Earth and Physical Sciences, Sul Ross State Univ, Alpine, TX 79832
11:40 AM THE PINE CANYON WATERSHED PROGRAM: UNDERSTANDING IMPACTS OF GLOBAL CHANGE ON SOIL FUNGAL BIODIVERSITY IN AN ARID ENVIRONMENT: SOBEK, Edward1, ZAK, John1, URBANCZYK, Kevin2, GRIZZLE, Heath1, BICKLE, Michael1, and HERNANDEZ, Cecilia1, (1) Biological Sciences, Texas Tech Univ, Lubbock, TX 79409, ed.sobek@ttu.edu, (2) Earth and Physical Sciences, Sul Ross State Univ, Alpine, TX 79832

Back to the South-Central Section - 36th Annual Meeting (April 11-12, 2002)