The author reviews the scientific literature dealing with the impacts of hatchery fish and wild native fish. This review focuses on genetic and behavioral impacts. A reading list is suggested. This is a very easily read article that debugs the technical literature for the non-scientist.
The author’s conclusions are borrowed proudly from Robin Waples: ...two things should be clear: (1) hatchery fish can have substantial direct and indirect impacts on wild fish, and (2) the only sure way to avoid these problems is to just say No- to stock transfers, supplementation, and production hatcheries of any kind.