Columbia River Wild vs. Hatchery

Wild vs Hatchery

Most of the natural runs of salmon have been replaced by hatchery stocks. The ODFW and WDFW annual Status Report and Upstream are the basis for post 1938 estimates. In 1770 all stocks were wild.

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Updated:Wednesday, 02-Jan-2002 15:31:56 PST
URL is http://www.orst.edu/instruction/anth481/sal/crhistwild.html