Beaver Dam Analogs - Good for Streams and Fish - Regional Fisheries Coalition
Submitted by Mid-Columbia Fisheries Enhancement Group This week we have been installing Beaver Dam Analogs (BDAs) in a side channel to Rattlesnake Creek in an effort to improve rearing habitat for juvenile salmon, steelhead, and bull trout. Like natural beaver dams, BDAs slow down and spread out water which forces it laterally into the substrate. This encourages riparian plants to grow, increases groundwater storage, and moderates stream temperatures. Beaver are active in the area and creating favorable habitat in the side channel will hopefully lead to their long term occupancy and maintenance of this project. All of these activities will improve rearing conditions for juvenile salmonids in an area where side channel habitat is limited. A special thanks to our grant funders DOE and USFWS!