The effectiveness of flow augmentation in aiding conservation and recovery of Snake River salmonid populations listed under the Endangered Species Act is questionable. The purpose of flow augmentation has been largely to increase the velocity and/or reduce the temperature of water flowing through mainstem reservoirs in the lower Snake and Columbia Rivers. Although improved adult returns are generally associated with good water years (e.g., high natural flow and spill) during juvenile outmigration, the efficacy of flow augmentation as a substitute for good water years has not been defensibly established. During the period from 1995 through 1998, the National Marine Fisheries Service (NMFS), the U.S. Fish and Wildlife Service, and the Nez Per...
This report documents a four-year study to assess hydraulic conditions in the lower Snake River. The...
Research was conducted by NMFS in 1981 to define the effects of instream flows on the passage time, ...
The National Marine Fisheries Service in cooperation with the Bonneville Power Administration is con...
A flow and survival relationship, based on 1910\u27s research, for juvenile chinook salmon, Oncorhyn...
This report provides a review of the data used for comparing subyearling survival to flow rates, wat...
From 1995 to 2000, subyearling fall chinook salmon Oncorhynchus tshawytscha reared at Lyons Ferry Ha...
The development of the Snake River hydroelectric system has affected fall Chinook salmon smolts by s...
This report details the smolt performance of natural and hatchery chinook salmon and steelhead from ...
Flow augmentation increases flow and decreases temperature in reservoirs in the lower Snake River du...
For juvenile chinook salmon Oncorhynchus tshawytscha, sockeye salmon O. nerka, and steelhead O. myki...
In 1996, the National Marine Fisheries Service and the University of Washington completed the fourth...
This report summarizes results of research activities conducted in 1999 and years previous. In an ef...
Allowable instantaneous minimum river flows are established in the Columbia and Snake Rivers to ensu...
Simple and multiple linear regressions were used to evaluate factors associated with travel time and...
1. Due to persistent drought conditions in the Snake River Basin, smolt marking operationsto re-eval...
This report documents a four-year study to assess hydraulic conditions in the lower Snake River. The...
Research was conducted by NMFS in 1981 to define the effects of instream flows on the passage time, ...
The National Marine Fisheries Service in cooperation with the Bonneville Power Administration is con...
A flow and survival relationship, based on 1910\u27s research, for juvenile chinook salmon, Oncorhyn...
This report provides a review of the data used for comparing subyearling survival to flow rates, wat...
From 1995 to 2000, subyearling fall chinook salmon Oncorhynchus tshawytscha reared at Lyons Ferry Ha...
The development of the Snake River hydroelectric system has affected fall Chinook salmon smolts by s...
This report details the smolt performance of natural and hatchery chinook salmon and steelhead from ...
Flow augmentation increases flow and decreases temperature in reservoirs in the lower Snake River du...
For juvenile chinook salmon Oncorhynchus tshawytscha, sockeye salmon O. nerka, and steelhead O. myki...
In 1996, the National Marine Fisheries Service and the University of Washington completed the fourth...
This report summarizes results of research activities conducted in 1999 and years previous. In an ef...
Allowable instantaneous minimum river flows are established in the Columbia and Snake Rivers to ensu...
Simple and multiple linear regressions were used to evaluate factors associated with travel time and...
1. Due to persistent drought conditions in the Snake River Basin, smolt marking operationsto re-eval...
This report documents a four-year study to assess hydraulic conditions in the lower Snake River. The...
Research was conducted by NMFS in 1981 to define the effects of instream flows on the passage time, ...
The National Marine Fisheries Service in cooperation with the Bonneville Power Administration is con...