Science Symposium 2005 Presentations
Tuesday, October 25, 2005
- 8:30
- Opening Remarks - Dennis Fenn, U.S. Geological Survey, Biological Resources Discipline, Southwest Biological Science Center - View Document -- .pdf format (1.39 MB)
- 8:40
- Keynote Speech: The Pros and Cons of Long-Term Ecological Research Based on Lessons from Five Decades - Whit Gibbons, University of Georgia, Savannah River Ecology Laboratory - View Presentation -- .pdf format (8.54 MB) *
- 9:20
- Keynote Speech: The Wisdom of the River: Why Argue with Several Million Years of Success? - Gary K. Meffe, University of Florida, Department of Wildlife Ecology and Conservation and Society for Conservation Biology - View Presentation -- .pdf format (1.26 MB)
- 10:00
- Break
The State of the Colorado River Ecosystem in Grand Canyon Report Presentations
- 10:20
- Influence of Glen Canyon Dam Operations on Downstream Sand Resources of the Colorado River in Grand Canyon - Scott A. Wright, U.S. Geological Survey, Biological Resources Discipline, Southwest Biological Science Center, Grand Canyon Monitoring and Research Center - View Presentation -- .pdf format (1 MB)
- 10:40
- Fishes of Grand Canyon - Steven P. Gloss, U.S. Geological Survey, Biological Resources Discipline, Southwest Biological Science Center, Sonoran Desert Research Station - View Presentation -- .pdf format (1.60 MB)
- 11:00
- Climatic Fluctuations, Drought, and Flow in the Colorado River - Robert H. Webb, U.S. Geological Survey, Water Resources Discipline, National Research Program - View Presentation -- .pdf format (1.42 MB)
- 11:20
- Water Quality in Lake Powell and the Colorado River - William S. Vernieu, U.S. Geological Survey, Biological Resources Discipline, Southwest Biological Science Center, Grand Canyon Monitoring and Research Center - View Presentation -- .pdf format (1.10 MB)
- 11:40
- Recreational Use Values and Nonuse Values of Glen and Grand Canyons - John Loomis, Colorado State University, Department of Agricultural and Resource Economics - View Presentation -- .pdf format (299 KB)
- Noon
- Lunch (On your own)
- 1:00
- Aquatic Ecology: the Role of Organic Matter and Invertebrates - Theodore A. Kennedy, U.S. Geological Survey, Biological Resources Discipline, Southwest Biological Science Center, Grand Canyon Monitoring and Research Center - View Presentation -- .pdf format (695 KB)
- 1:20
- Riparian Vegetation and Associated Wildlife - Barbara E. Ralston, U.S. Geological Survey, Biological Resources Discipline, Southwest Biological Science Center, Grand Canyon Monitoring and Research Center - View Presentation -- .pdf format (743 KB)
- 1:40
- Birds of the Colorado River in Grand Canyon: a Synthesis of Status, Trends, and Dam Operation Effects - Mark K. Sogge, U.S. Geological Survey, Biological Resources Discipline, Southwest Biological Science Center, Colorado Plateau Research Station - View Presentation -- .pdf format (2.07 MB)
- 2:00
- Debris Flows in Grand Canyon and the Rapids of the Colorado River - Robert H. Webb, U.S. Geological Survey, Water Resources Discipline, National Research Program - View Presentation -- .pdf format (2.33 MB)
- 2:20
- Status and Trends of Hydropower Production at Glen Canyon Dam - David A. Harpman, Bureau of Reclamation, Technical Service Center - View Presentation -- .pdf format (1.07 MB)
- 2:40
- Break
- 3:00
- Cultural Resources in the Colorado River Corridor - Helen C. Fairley, U.S. Geological Survey, Biological Resources Discipline, Southwest Biological Science Center, Grand Canyon Monitoring and Research Center - View Presentation -- .pdf format (1.13 MB)
- 3:20
- Recreational Values and Campsites in the Colorado River Ecosystem - Matt Kaplinski, Northern Arizona University, Department of Geology - View Presentation -- .pdf format (1.70 MB)
- 3:40
- Lessons from 10 Years of Adaptive Management in Grand Canyon - Jeffrey E. Lovich, U.S. Geological Survey, Biological Resources Discipline, Southwest Biological Science Center - View Presentation -- .pdf format (2.77 MB)
- 4:00
- Panel Discussion: SCORE Findings and Implications for the Glen Canyon Adaptive Management Program's Strategic Plan
- 5:30-7:00
- Dinner (On your own)
- 7:00-9:30
- Poster Session and Technology Demonstrations
Wednesday, October 26, 2005
- 8:00
- Keynote Speech: Surprise and Opportunity in Grand Canyon Adaptive Management - Carl Walters, University of British Columbia, Fisheries Centre - View Presentation -- .pdf format (353 KB)
Preliminary Results of Experimentation
Hydrology and Sediment
- 8:40
- One Hundred Years of Sand in Grand Canyon - Jack C. Schmidt; Utah State University; Department of Aquatic, Watershed, and Earth Resources - View Presentation -- .pdf format (2.67 MB)
- 9:00
- A Tale of Two Floods: Comparing Sandbar Responses to the 1996 and 2004 High-Volume Experimental Flows on the Colorado River in Grand Canyon - Joseph E. Hazel, Jr., Northern Arizona University, Department of Geology - View Presentation -- .pdf format (1.42 MB)
- 9:20
- Sediment Transport and Budget during the November 2004 Controlled-Flood Experiment, with Comparisons to the 1996 Controlled-Flood Experiment - David J. Topping, U.S. Geological Survey, Water Resources Discipline, National Research Program (Presented by Scott Wright) - View Presentation -- .pdf format (798 KB)
- 9:40
- Flow, Deposition, and Stability of Recirculation Eddy Bars in Response to Beach/Habitat-Building Flows - Mark Schmeeckle, Arizona State University, Dept. of Geography - View Presentation -- .pdf format (3.30 MB) *
- 10:00
- Investigating Effects of the November 2004 High-Flow Release from Glen Canyon Dam on Aeolian Sand-Transport Rates in the Colorado River Corridor, Grand Canyon, AZ - Amy E. Draut, U.S. Geological Survey, Geologic Discipline, Coastal and Marine Geology Team, Pacific Science Center - View Presentation -- .pdf format (3.36 MB)
- 10:20
- Break
Fishes
- 10:30
- Mechanical Removal of Nonnative Fishes in the Colorado River within Grand Canyon - Lewis G. Coggins, U.S. Geological Survey, Biological Resources Discipline, Southwest Biological Science Center, Grand Canyon Monitoring and Research Center - View Presentation -- .pdf format (1.28 MB)
- 10:50
- Effects of 2003-04 Fluctuating Flows from Glen Canyon Dam on the Early Life History Stages of Rainbow Trout in the Colorado River (Part 1: Effects on the Survival of Eggs and Alevins) - Josh Korman; Ecometric Research, Inc. - View Presentation -- .pdf format (1.79 MB)
- 11:10
- Effects of 2003-04 Fluctuating Flows from Glen Canyon Dam on the Early Life History Stages of Rainbow Trout in the Colorado River (Part 2: Effects on Young-of-Year Habitat Use, Growth, and Survival) - Josh Korman; Ecometric Research, Inc. - View Presentation -- .pdf format (1.79 MB)
- 11:30
- Lunch (On your own)
Aquatic Biology
- 12:30
- What Determines the Length of Stream Food Chains? - John L. Sabo, Arizona State University, School of Life Sciences - View Presentation -- .pdf format (702 KB)
- 12:50
- Patterns within Patterns: Does Trophic Structure Influence Biotic Patterns within the Colorado River - Michael D. Yard, EcoNatura - View Presentation -- .pdf format (955 KB)
- 1:10
- Physical Factors that Influence Spatio/Temporal Differences in Benthic Invertebrate Availability near the Little Colorado River, Grand Canyon, AZ - Yael A. Bernstein, Northern Arizona University, Center for Environmental Sciences and Education - View Presentation -- .pdf format (1 MB)
- 1:30
- Inter- and Intra-Annual Differences in the Availability of Drifting Invertebrates near the Little Colorado River, Grand Canyon, AZ - Courtney Giauque, Northern Arizona University, Center for Environmental Sciences and Education - View Presentation -- .pdf format (686 KB)
- 1:50
- Inter- and Intra-Annual Differences in Rainbow and Brown Trout Diet near the Little Colorado River, Grand Canyon, AZ - Emily Thompson, Northern Arizona University, Center for Environmental Sciences and Education - View Presentation -- .pdf format (479 KB)
- 2:10
- Break
- 2:30
- Interactions between Environment and Biota That Influence Predation of Small Bodied Fish near the Little Colorado River, Grand Canyon, AZ - Michael D. Yard, EcoNatura - View Presentation -- .pdf format (674 KB)
- 2:50
- Response of Drifting Invertebrates and Organic Matter to Disturbance from High Experimental Flows Prescribed for the Colorado River, Grand Canyon, AZ - Michael D. Yard, EcoNatura - View Presentation -- .pdf format (884 KB)
Economic Issues
- 3:10
- (1) Three Years of Experimentation at Glen Canyon Dam: the Electrical Power Economic Costs (2) The Electrical Power Economic Impacts of Liberalizing Glen Canyon Dam Operational Constraints - S. Clayton Palmer, U.S. Department of Energy, Western Area Power Administration - View Presentation -- .pdf format (604 KB)
Experimentation and Planning
- 3:30
- Panel Discussion: Assessing the Value of Experimentation in Support of Glen Canyon Dam Adaptive Management Program Information Needs
- 5:30
- Dinner (On your own)
Thursday, October 27, 2005
Nonexperimental Research
- 8:00
- Update on Status and Trends of Humpback Chub in Grand Canyon, William Pine, University of Florida, Department of Fisheries and Aquatic Sciences - View Presentation -- .pdf format (556 KB)
Spatial and Remotely Sensed Data
- 8:20
- Effects of Spatial Accuracy Uncertainty on Change Detection and Scientific Analysis - Keith A. Kohl, U.S. Geological Survey, Biological Resources Discipline, Southwest Biological Science Center, Grand Canyon Monitoring and Research Center - View Presentation -- .pdf format (3.64 MB)
- 8:35
- Lies, Statistics, and Spatial Data Accuracy - Michael L. Dennis, Shephard-Wesnitzer, Inc. - View Presentation -- .pdf format (3.64 MB)
- 8:50
- Determining Water Surface Datums to Measure Hydrographic Elevations - F. Mark Gonzales, U.S. Geological Survey, Biological Resources Discipline, Southwest Biological Science Center, Grand Canyon Monitoring and Research Center - View Presentation -- .pdf format (6.69 MB)
- 9:05
- Using an Integrated, Remote-Sensing Methodology to Evaluate the Effects of Dam Operations on Fine-Grained Sediment Storage and Sandbar Restoration in the Eastern Grand Canyon - Michael J. Breedlove; Utah State University; Department of Aquatic, Watershed, and Earth Resources - View Presentation -- .pdf format (10.51 MB)
- 9:20
- 3D Laser Scanning (LiDAR Surveying) and Oblique Photogrammetry Assessment during the 2004 High Flow Test - Kristin Brown, U.S. Geological Survey, Biological Resources Discipline, Southwest Biological Science Center, Grand Canyon Monitoring and Research Center - View Presentation -- .pdf format (5.56 MB)
- 9:35
- Cable-to-the-Sky: Two-Way Telemetry Adaptive Control and Communications - Glenn E. Bennett, U.S. Geological Survey, Biological Resources Discipline, Southwest Biological Science Center, Grand Canyon Monitoring and Research Center - View Presentation -- .pdf format (922 KB)
- 9:55
- Break
Water Quality
- 10:15
- Monitoring Streamflow on the Paria River at Lees Ferry - Nancy Hornewer, U.S. Geological Survey, Water Resources Discipline, Arizona Water Science Center
- 10:30
- Further Effects of Drought and Drought Rebound on the Tailwaters of Glen Canyon Dam in 2003-05 - Susan Hueftle, U.S. Geological Survey, Biological Resources Discipline, Southwest Biological Science Center, Grand Canyon Monitoring and Research Center - View Presentation -- .pdf format (5.41 MB)
- 10:45
- An Improved Stars Model: Predicted Grand Canyon Water-Surface Elevations and Virtual Shorelines for Flows up to 200,000 cfs - Christopher S. Magirl, U.S. Geological Survey, Water Resources Discipline, National Research Program - View Presentation -- .pdf format (11.28 MB)
- 11:00
- Evaluating Sandbar Stability with Groundwater Instrumentation and Modeling - Abraham E. Springer, Northern Arizona University, Department of Geology - View Presentation -- .pdf format (1.48 MB)
Physical Science
- 11:15
- Changes in Debris Fans and Rapids: 21 Years of Monitoring Debris Flows in Grand Canyon - Peter G. Griffiths, U.S. Geological Survey, Water Resources Discipline, National Research Program - View Presentation -- .pdf format (1.36 MB)
- 11:35
- Large-Scale Modeling of Flow, Sand Transport, and Sand Storage between Glen Canyon Dam and Phantom Ranch - Stephen Wiele, U.S. Geological Survey, Water Resources Discipline, Arizona Water Science Center - View Presentation -- .pdf format (4.39 MB) *
- 11:55
- High-Resolution Monitoring of Suspended-Sediment Concentration and Grain Size in the Colorado River in Grand Canyon Using Laser-Diffraction Instruments and a Three-Frequency Acoustic System - David J. Topping, U.S. Geological Survey, Water Resources Discipline, National Research Program (Presented by Ted Melis) - View Presentation -- .pdf format (10.73 MB)
- 12:15
- An Ex Post Facto Evaluation of Sand Mass Balance in Grand Canyon: Measurements Versus Rating Curves as a Means of Assessing the Value of Adaptive Management - Scott A. Wright, U.S. Geological Survey, Biological Resources Discipline, Southwest Biological Science Center, Grand Canyon Monitoring and Research Center - View Presentation -- .pdf format (703 KB)
- 12:30
- Lunch (On your own)
Primary Productivity
- 1:30
- Trends in Terrestrial Riparian Resources, 2001-04 - Michael Kearsley, Northern Arizona University, Department of Biological Sciences - View Presentation -- .pdf format (3.30 MB)
- 1:45
- Estimates of Systemwide Above-Ground Biomass and Terrestrial Vegetation Inputs for the Colorado River Ecosystem - Theodore A. Kennedy, U.S. Geological Survey, Biological Resources Discipline, Southwest Biological Science Center, Grand Canyon Monitoring and Research Center - View Presentation -- .pdf format (337 KB)
- 2:00
- Linking Whole-System Carbon Cycling to Quantitative Food Webs in the Colorado River - Robert Hall, University of Wyoming, Department of Zoology and Physiology - View Presentation -- .pdf format (284 KB)
- 2:15
- Break
Fishes
- 2:25
- A Test of the Utility of Otolith Chemistry for Studying Humpback Chub Movements - Brian P. Kennedy, University of Michigan, Department of Geological Sciences - View Presentation -- .pdf format (1.71 MB)
- 2:40
- Evaluation of the Statistical Properties of Grand Canyon Humpback Chub Population Parameter Estimates from ASMR and Alternative Mark-Recapture Models - David L. Otis, Iowa State University, Department of Natural Resource Ecology and Management - View Presentation -- .pdf format (874 KB)
- 3:00
- Conservation Genetics of Gila Cypha in the Colorado River Ecosystem: Shallow History - Marlis R. Douglas, Colorado State University, Department of Fishery and Wildlife Biology - View Presentation -- .pdf format (504 KB)
- 3:20
- Conservation Genetics of Gila Cypha in the Colorado River Ecosystem: Deep History - Michael E. Douglas, Colorado State University, Department of Fishery and Wildlife Biology - View Presentation -- .pdf format (1.17 MB)
- 3:40
- Electrofishing in the Grand Canyon, 2000-05 Status and Trends - R. Scott Rogers, Arizona Game and Fish Department, Research Branch - View Presentation -- .pdf format (1.06 MB)
- 4:00
- Little Colorado River, Lower 1200 Meter Fish Monitoring Trends, 1987-2005 - David Ward, Arizona Game and Fish Department, Research Branch - View Presentation -- .pdf format (2.75 MB)
- 4:15
- Update on Experimental Planning/Knowledge Assessment Review - USGS Grand Canyon Monitoring and Research Center and Ecometric Research, Inc. - View Presentation -- .pdf format (962 KB)
- 4:30
- Closing Remarks
- 5:00
- End of Symposium
* Note: This presentation included video. If you would like to obtain a copy please contact the SBSC Helpdesk.