Geological Society of America

8:20 AM

THE EFFECTS OF GLOBAL CHANGE ON WATERSHED ECOSYSTEM BIOGEOCHEMISTRY

Robert Stottlemyer, U.S. Geol Survey, Ft. Collins, CO

32871 (SYMPOSIA SESSIONS)

8:40 AM

ECOSYSTEM DISTURBANCE AND CHANGES IN STREAM CHEMISTRY IN AN OLD-GROWTH FORESTED WATERSHED IN OLYMPIC NATIONAL PARK, WASHINGTON

Robert L. Edmonds, Univ of Washington, Seattle, WA and Stephanie McAfee, Univ of Washington, Seattle, WA and Carol Volk, Univ of Washington, Seattle, WA

32860 (SYMPOSIA SESSIONS)

9:00 AM

LONG-TERM CHANGE IN BOREAL WATERSHED ECOSYSTEM NUTRIENT BUDGETS, ISLE ROYALE, MICHIGAN

David Toczydlowski, Michigan Technological Univ, Houghton, MI and Robert Stottlemyer, U.S. Geol Survey, Ft. Collins, CO

32901 (SYMPOSIA SESSIONS)

9:20 AM

MODELING HYDROLOGIC AND BIOGEOCHEMICAL PROCESSES IN LOCH VALE WATERSHED USING THE REGIONAL HYDROECOLOGICAL SIMULATION SYSTEM (RHESSYS)

Laura L. Landrum, Colorado State Univ, Fort Collins, CO and Christina Tague, San Diego State Univ, San Diego, CA and Jill S. Baron, Colorado State Univ, Fort Collins, CO

33029 (SYMPOSIA SESSIONS)

9:40 AM

CLIMATE CHANGE, FLOWPATH, AND NUTRIENT FLUX IN A TREELINE WATERSHED, NOATAK NATIONAL PRESERVE, ALASKA

Robert Stottlemyer, U.S. Geol Survey, Ft. Collins, CO and Heidi Steltzer, Colorado State Univ, Ft. Collins, CO

32872 (SYMPOSIA SESSIONS)

10:20 AM

SPATIAL VARIATIONS IN WATER CHEMISTRY AT SELECTED SPRINGS IN BIG BEND NATIONAL PARK

Kevin Urbanczyk, Sul Ross State Univ, Alpine, TX and John C. White, Sul Ross State Univ, Alpine, TX

33080 (SYMPOSIA SESSIONS)

10:40 AM

THE PINE CANYON WATERSHED PROGRAM: IMPACTS OF CHANGES IN TIMING AND MAGNITUDE OF PRECIPITATION ON PLANT PHYSIOLOGY AND GROWTH

David Tissue, Texas Tech Univ, Lubbock, TX and Erin Roberts, Texas Tech Univ, Lubbock, TX and Traesha Robertson, Texas Tech Univ, Lubbock, TX and John Zak, Texas Tech Univ, Lubbock, TX and Kevin Urbanczyk, Sul Ross State Univ, Alpine, TX

33149 (SYMPOSIA SESSIONS)

11:00 AM

THE PINE CANYON WATERSHED PROGRAM: SOIL NITROGEN DYNAMICS AND PATTERNS OF ANTHROPOGENIC INPUTS

Cecilia Hernandez, Texas Tech Univ, Lubbock, TX and John C. Zak, Texas Tech Univ, Lubbock, TX and Kevin Urbanczyk, Sul Ross State Univ, Alpine, TX and Edward Sobek, Texas Tech Univ, Lubbock, TX and Michael Bickle, Texas Tech Univ, Lubbock, TX and Heath Grizzle, Texas Tech Univ, Lubbock, TX

33109 (SYMPOSIA SESSIONS)

11:20 AM

THE PINE CANYON WATERSHED PROGRAM: UNDERSTANDING GLOBAL CHANGE IMPACTS ON SOIL MICROBIAL DYNAMICS

John Zak, Texas Tech Univ, Lubbock, TX and Cecilia Hernandez, Texas Tech Univ, Lubbock, TX and Edward Sobek, Texas Tech Univ, Lubbock, TX and Kevin Urbanczyk, Sul Ross State Univ, Alpine, TX and Michael Bickle, Texas Tech Univ, Lubbock, TX and Heath Grizzle, Texas Tech Univ, Lubbock, TX

33146 (SYMPOSIA SESSIONS)

11:40 AM

THE PINE CANYON WATERSHED PROGRAM: UNDERSTANDING IMPACTS OF GLOBAL CHANGE ON SOIL FUNGAL BIODIVERSITY IN AN ARID ENVIRONMENT

Edward Sobek, Texas Tech Univ, Lubbock, TX and John Zak, Texas Tech Univ, Lubbock, TX and Kevin Urbanczyk, Sul Ross State Univ, Alpine, TX and Heath Grizzle, Texas Tech Univ, Lubbock, TX and Michael Bickle, Texas Tech Univ, Lubbock, TX and Cecilia Hernandez, Texas Tech Univ, Lubbock, TX

33114 (SYMPOSIA SESSIONS)

3 Long-Term Biogeochemical Responses to Global Change

Presentations