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Upper Willamette River Bull Trout


Populations of bull trout Salvelinus confluentus have declined markedly over the last century as a consequence of habitat alteration, introduction of nonnative species, overharvest, and eradication efforts. Accordingly, the U. S. Fish and Wildlife Service listed bull trout as threatened in the coterminous United States under the Endangered Species Act in 1999. Bull trout are native to the Willamette River basin and presently occupy the McKenzie River and Middle Fork Willamette River drainages. ODFW, in cooperation with agencies participating in the Upper Willamette Bull Trout Working Group, has conducted research, monitoring, and bull trout translocation efforts for more than two decades.

Upper Willamette Basin Bull Trout Action Plan 2010


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