ECOLOGY AND MANAGEMENT OF TAILWATERS IN THE UNITED STATES

WAHWEAP MARINA

LAKE POWELL, ARIZONA

APRIL 25-28 2000

APRIL 26 - WEDNESDAY CASE HISTORY SESSION

8:30 a.m. Welcome

Barbara Ralston - Grand Canyon Monitoring and Research Center

8:45 a.m. Investigating tailwaters with a national approach - some history

Jerry Novotny - U.S. Fish and Wildlife Service

9:00 a.m. Assessment of stocked and wild trout fisheries in Tennessee tailwaters

Phil Bettoli and Francis C. Fiss

Tennessee Cooperative Fishery Research Unit

9:45 a.m. Analysis of the decline of large rainbow trout in Lake Taneycomo, Missouri

Robert Hayward - University of Missouri, Columbia

10:30 a.m. BREAK

11:00 a.m. Mountain Fork fishery case history

Jack Harper - Oklahoma Department of Conservation

11:45 a.m. LUNCH

1:00 p.m. Flaming Gorge tailwater case history

Roger Schneidervin - Utah Division of Wildlife Resources

1:45 p.m. Tailwater management in Arkansas' White River system

John D. Stark, C. S. Todd, and L. L. Rider

Arkansas Game and Fish Commission

2:30 p.m. BREAK

3:00 p.m. Ecology of rainbow trout in the Lee's Ferry tailwater: Flow related fishery

decline, recover, and potential for stability

David W. Speas, C. J. Walters, T. McKinney, and W. R. Persons

Arizona Game and Fish Department

3:30 p.m. San Juan tailwater case history

C. Marc Wethington - New Mexico Department of Game and Fish

5:00 p.m. MIXER, CASH BAR

7:00 p.m. TROUT UNLIMITED BANQUET
APRIL 27 - THURSDAY

8:00 a.m. Managing a tailwater fishery within an adaptive management program

Barry D. Gold - Grand Canyon Monitoring and Research Center

William R. Persons - Arizona Game and Fish Department

8:30 a.m. The simultaneous operation of Colorado River storage project power

plants to meet customer demand

Clayton Palmer - Western Area Power Administration

9:00 a.m. For better production, should we change the flow, change the fish, or do

both?

W. E. Davis - Ecoplan Associates

9:20 a.m. Rainbow Trout in the Grand Canyon: Genetic Issues and Opportunities

D. Philipp, J. Claussen, W. Persons, S. Morgensen, and J. Epifanio

Illinois Natural History Survey

10:00 a.m. BREAK

10:30 a.m. Water quality trends in Lake Powell and downstream influences

Susan Hueftle - Grand Canyon Monitoring and Research Center

11:00 a.m. Thermal warming patterns associated with discharge from Lake Powell

William Vernieu - Grand Canyon Monitoring and Research Center

11:30 a.m. Effects of river regulation on the tailwater food base below Glen

Canyon Dam

E. P. Benenati, D. W. Blinn, J. P. Shannon, and G.A. Haden

Northern Arizona University

12:00 noon LUNCH

1:30 p.m. Historical ecological changes downstream from a large western dam

Mark Vinson - National Aquatic Monitoring Center

2:00 p.m. Management and research efforts to restore a declining tailwater trout

fishery in Missouri

M. Kruse, D. Lobb, and W. Anderson

Missouri Department of Conservation

2:30 p.m. Where are all the big fish? Abiotic and biotic conditions limiting brown

trout in Smith River tailwater

D. C. Novinger and D. J. Orth - Virginia Tech University

3:00 p.m. BREAK
APRIL 27 - THURSDAY

3:30 p.m. Thermal enhancement of a year-round fishery in an Oklahoma tailrace

P. B. Blakenbush, G. Hauser, and Jack Harper

Oklahoma Department of Conservation

4:00 p.m. Factors influencing over-wintering survival of juvenile trout in Wyoming

tailwaters

W. A. Hubert, D. G. Simpkins, J. L. Hebdon, and M. R. Dare

Wyoming Cooperative fish and Wildlife Research Unit

4:30 p.m. BREAK

5:00 p.m. Roundtable Discussion of Tailwaters Management

6:00 p.m. Poster session, Mixer, Cash Bar

APRIL 28 - FRIDAY

8:00 a.m. Flannelmouth sucker spawning in the mainstem of the Colorado River

near Lee's Ferry

R. S. Rogers and T. McKinney - Arizona Game and Fish Department

8:30 a.m. Longitudinal effects of Glen Canyon Dam on Colorado River fish

communities

R. A. Valdez - SWCA

9:00 a.m. Trout in the desert: Problems associated with establishing a tailwater

rainbow trout fishery in the presence of native fishes

A. T. Robinson and S. D. Bryan

Arizona Game and Fish Department

9:30 a.m. Angling quality, effort response, and exploitation in recreational fisheries:

Development and application of regional models for British Columbia

rainbow trout (Oncorhynchus mykiss)

S. P. Cox - University of British Columbia

10:00 a.m. Evaluation of Bull Shoals Tailwater minimum coverage and temperature

control flows, and dissolved oxygen improvements

John D. Stark, C. S. Todd, L. L. Rider, and G. E. Hauser

Arkansas Game and Fish Commission

10:30 a.m. CONCLUDING REMARKS

Barbara Ralston - Grand Canyon Monitoring and Research Center