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A record-low number of chinook salmon returned to rivers in California's Central Valley last year, indicating that severe restrictions on salmon fishing are likely again this year, federal regulators say.Photo by Flickr user stu_spivack used under a Creative Commons LicenseThe Pacific Fishery Management Council reported that in 2008 a total of 66,264 natural and hatchery chinook or "king" salmon adults were estimated to have returned to the Sacramento River basin to spawn, the lowest estimate on record.
The council uses the estimates to determine if it should recommend limits on commercial and recreational fishing.
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