Overview
SPAWN, the Salmon Protection and Watershed Network, is a project of the Turtle Island Restoration Network (TIRN), a United States 501(c)(3) nonprofit environmental organization.
SPAWN's stated mission is to "protect endangered salmon in the Lagunitas Creek Watershed and the environment on which we all depend." SPAWN uses a multi-faceted approach to accomplish their mission including grassroots action, habitat restoration, policy development, research and monitoring, citizen training, environmental education, strategic litigation, and collaboration with other organizations and agencies.
Lagunitas Creek watershed
The Lagunitas Creek watershed in Marin County, California, has been identified as the most important spawning and rearing habitat for wild coho salmon left in California. Coho in the Central California Evolutionarily Significant Unit (CCCESU) are a Federal and State listed Endangered Species considered to be "in imminent danger of extinction."
From Wikipedia (CC BY-SA 4.0).