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Recent heavy rainfall allowed coho salmon to navigate past culverts, which are often an obstacle, meaning they could make their way to the creeks for the first time in almost two decades.
This is the time of year coho salmon swim up Lagunitas Creek watershed in Marin to spawn...
During the mid-1930s, in the wake of devastating Dust Bowl–era storms, the U.S. Department of Agriculture (USDA) established a series of experimental watersheds to better understand how erosion, runoff, and water quality vary in response to different agricultural practices. In the 1950s, USDA expanded this program to create the Agricultural Research Service (ARS) Experimental Watershed Network. More than a half century’s worth of high-resolution observations from within this network have led to unprecedented understanding of watershed processes. As Goodrich et al. highlight, long-term kn...
100-Year-Old Dam Removed From San Geronimo Creek in Marin for Salmon Migration The endangered coho salmon have been on a steady decline as urbanization wreaks havoc on their remaining natural habitat. But the recent demolition of an old dam and fish ladder on the former San Geronimo Valley golf course has freed up one of their important breeding passages. One of the more unspoken side effects of unbridled construction is not only how it can level once towering tree groves, but how laying concrete and making of man-made lakes can derail spawning routes for migratory fish. In fact, 27 regional ...