A worker releases a chum salmon in Oregon’s Gnat Creek. The Gnat Creek Hatchery is part of the Blind Slough Select Area Fishery, where an annual average of 560,000 spring chinook have historically been released as part of a program whose funding is being slashed. (Oregon Department of Fish and Wildlife)This story was originally published by Columbia Insight, a nonprofit environmental news website covering the Pacific Northwest based in Hood Rive…