North American beavers (Castor canadensis) have been gradually re-establishing populations in Sonoma County after historic extirpation. Beavers have been recognized in recent decades as “ecosystem engineers” that increase biodiversity and riparian system function through their dam building and wetland creation. Although beavers and their dams benefit both natural and human communities, they can also pose…

In 2013, PCI began working with The Nature Conservancy (TNC) to plan and design projects to improve salmonid habitat value in the lower 1.7 miles of the South Fork Ten Mile River and 4.5 miles of the mainstem Ten Mile River in Mendocino County, California. The general premise compelling the Project is that off-channel rearing…