Nature & Science


California’s Least Wanted - Don’t Give Aquatic Hitchhikers a Lift


Aquatic Map


The Sierra National Forest and surrounding areas provide habitat for a wide variety of species. Our streams and lakes are renowned for rainbow, brown, golden, and eastern brook trout. Unfortunately, our Forest waters are at-risk by nonnative aquatic pests. The Chief of the USDA Forest Service has identified invasive species as one of the four critical threats to our Nation’s ecosystems...More