By David Row | Communications Manager
Restoration Boosts Salmon Resilience and Abundance During Climate Change
This summer will mark the fifth anniversary of work crews demolishing Fielder and Wimer dams on Evans Creek to restore access for native fish on a key spawning tributary of the Rogue River. Above these former dam sites, approximately 19 miles of habitat is available for fall chinook production, 60 miles for coho salmon production, and 70 miles for steelhead production. Evans Creek also supports cutthroat trout, Pacific lamprey, and suckers.
Since the removals, biologists have collected scientific data indicating that these removals have improved the health and resiliency of Rogue Basin fish runs. This spring brought more good news. For years, Oregon Department of Fish and Wildlife (ODFW) has maintained a survey site on West Evans Creek, above the two dams removed on the mainstem. Now, for the first time, ODFW recorded outmigrating lamprey at this site. ODFW reports that even during this year’s unusually low flows, winter steelhead appeared in the West Evans creek system. Before removal, the two dams’ inadequate fish ladders likely would have prevented steelhead from accessing this high quality habitat during drought.
Thanks to your support, WaterWatch helped Rogue salmon and steelhead gain improved access to quality habitat in the upper reaches of the creek. This important river restoration project is a great credit to the many partners who came together to get it done, and demonstrates the need to maintain the federal and state programs that made the project possible.
State and federal agencies identified Evans Creek, and restoring access to high quality fish habitat in its upper reaches, as important to the recovery of Southern Oregon/Northern California Coast coho salmon, listed as threatened under the Endangered Species Act. State biologists also ranked these two dams among the top 10 most significant fish barriers on Oregon’s 2013 Statewide Fish Passage Priority List.
The removal of outdated dams is helping to blunt some of the stress on fish populations during climate change, but we need to do more. There are many other high priority barriers to salmon and steelhead still left in the Rogue—and the rest of Oregon. WaterWatch has been working hard to address these barriers, and remains a leader in dam removal statewide. Please stay tuned for coming updates on this important work.
By David Row | Communications Manager
By David Row | Communications Manager
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