Tree buffers along streams on western Oregon farmland

Abstract

The listing of many Pacific Northwest anadromous fish stocks as threatened or endangered has heightened the need to protect or enhance the health of entire river systems. Salmon, steelhead, and other anadromous fish swim from the ocean to the headwaters of their home river, where they spawn. Their young hatch and live for a time in the streams and rivers before returning to the ocean. Stream conditions along the entire migration route are important to the success of anadromous fish populations.