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Native Trout Outlive Their Hatchery Kin
Fisheries biologist Edwin L. Cooper reports a review of 164 studies showing native trout largely outlive hatchery stock. Stocked fish often fail to survive in natural environments unless there is little competition or minimal fishing pressure. Cooper notes only a tiny fraction of stocked fry reach maturity, shaping debates on trout management and angler desires.
MENTIONED IN THIS ARTICLE
Edwin L. Cooper
Agricultural Experiment Station
Pennsylvania State University
Cooper
The
Agricultural Experiment Sta
Allis-Chalmers