Endangered Southern Resident killer whales prey on a diversity of chinook and other salmon. The stocks come from an enormous geographic range as far north as Alaska and as far south as California's Central Valley, a new analysis shows.
Washington state is beginning a process with a series of public meetings that will determine by May the allowed harvest of a limited number of fall chinook, coho, chum and pink salmon in offshore areas north of Cape Falcon in Oregon, up the state’s coastline and in Puget Sound.
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River operators have ceased their “day load shaping operations” at Idaho’s Dworshak Dam that, when implemented, nearly tripled flows downstream of the dam in the Clearwater River.
The eighth battle of the BiOp has been underway in federal court since mid-January and two groups are joining in on the debate, one to join as an intervenor plaintiff and one to throw the entire lawsuit out.
Even with a suddenly higher March 1 water supply forecast, operators at Dworshak Dam say they will be able maintain river flows and total dissolved gas levels below Idaho clean water standards so that Clearwater River hatcheries can safely release smolts.
Managing invasive species--not eliminating them altogether--is a better use of time and conservation resources in many cases, according to a study led by a University of Alberta biologist.
Initial surveys and reports suggest that angler success, satisfaction, and harvest of Kootenai River burbot in 2021 are higher than what was observed in 2019 and 2020.