FWP's Response to Trout Declines in Three Major Rivers

Montana Fish, Wildlife & Parks is launching several research efforts in response to trout declines in the Big Hole, Beaverhead, and Ruby Rivers.

FWP, in partnership with Montana State University, has a four-pronged approach, including the following three studies:

Fish mortality study: A mortality study on the Big Hole, Beaverhead, and Ruby Rivers, as well as the Madison River, will include tagging adult fish to assess how flows, water temperatures, angling, and disease influence survival. This study would also help measure the success of adaptive management plans for the Big Hole, Beaverhead,...