The Design and Analysis of Salmonid Tagging Studies in the Columbia Basin, Volume IX: A Comparison of Statistical Methods of Estimating Treatment-Control Ratios (Transportation Benefit Ratios) Based on Spring Chinook Salmon on the Columbia River, 1986-1988

Prepared by:
Richard L. Townsend
John R. Skalski
Center for Quantitative Science
School of Fisheries
University of Washington
Seattle, Washington

Prepared for:
U.S. Department of Energy
Bonneville Power Administration
Division of Fish and Wildlife
P.O. Box 3621
Portland, OR 97283-3621

Project Number 91-051
Task Number DE-AT79-91BP16570
Contract Number DE-AI79-87BP35885

August 1997