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Anadromous Fish Predation Strategies, Actions, and Metrics
Predation Strategies
- Redistribute avian predators
- Reduce fish predation
Predator control actions: Predator control actions are expected to
provide survival improvements to all listed ESUs.
- The Corps and USFWS are finalizing the Caspian Tern Environmental Impact
Statement (EIS). The Corps, BPA, and USFWS and will initiate implementation of
the selected alternative.
- The Corps and BPA are continuing and expanding our research efforts to
monitor and evaluate the effects of Caspian tern redistribution on juvenile
salmon.
- The Corps and BPA will initiate studies to investigate the regional
double-crested cormorant population and potential management measures to
disperse that population.
- BPA is increasing the reward structure for the Northern Pikeminnow
Management Program (NPMP) to achieve further reduction of pikeminnow predation
on listed salmon and will also use an incentive-based approach to test
site-specific removals of northern pikeminnow and other non-indigenous fish
predators.
Predation Metrics
- Report on the change in annual predation rates and the estimated resulting
change in annual juvenile salmonid survival rates.
For more information please visit www.salmonrecovery.gov.
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