By the end of 2024, four dams will be removed on the Klamath River, opening hundreds of miles of habitat to native fishes including coho salmon. But until those dams do come down, and even after as the river recovers, coho salmon in the Klamath Basin are in desperate need of places to safely grow and rear their young. On the South Fork of the Scott River, a tributary to the Klamath, CalTrout and our partners are beginning the fourth phase of a restoration project that will reconnect the stream to its natural floodplain and improve cold water rearing habitat for Klamath Basin fish.
Historic mining and timber operations significantly altered the landscape, disconnecting the river from its floodplain and degrading fish habitat. In 2017, CalTrout and our partners began implementation for the South Fork Scott River Floodplain Connectivity Project. Our work thus far has included restoring and excavating floodplains, adding habitat features in side-channels and the mainstem, removing mine tailings, and monitoring these improvements.
“All of these improvements have been performing marvelously,” said CalTrout Project Manager Dustin Revel. “We are thrilled with the way this reach handled the high spring runoff and the overall restoration of natural stream function.”
The next round of construction will begin in the summer of 2024. Building on previous work, this final phase will further enhance instream habitat through large-wood placement, side channel excavation, and riparian planting. The project will restore floodplain connectivity and improve in-stream habitat complexity in a critical cold water rearing tributary for coho salmon. Coho salmon in the Klamath Basin are listed under the Endangered Species Act. The South Fork of the Scott River offers perennial, cold water, that has never been observed to run dry even in drought years – a rarity in the Scott River watershed and crucial for coho salmon recovery.
We are excited to partner with Siskiyou RCD on this project and the project site landowner, Michael Thamer of Bouvier Ranch. This project would not be possible without generous funding from The National Fish and Wildlife Foundation and The Partners for Fish and Wildlife Program.
In the lead up to Klamath River dam removal, we can provide our struggling native fishes with quality habitat in the places that are already accessible to them. Spawning and rearing tributaries to the Klamath, like the Scott River, act as salmon nurseries for the entire basin making our restoration efforts crucial. This project is part of CalTrout's larger vision to enhance and restore fish habitat and passage throughout the Scott River watershed. Explore more projects in the Scott River watershed: on the East Fork, Scott-Bar Mill Creek, and at Mill-Shackleford bridge.
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Peter Moyle is the Distinguished Professor Emeritus in the Department of Wildlife, Fish and Conservation Biology and Associate Director of the Center for Watershed Sciences, at UC Davis. He is author or co-author of more than 240 publications, including the definitive Inland Fishes of California (2002). He is co-author of the 2017 book, Floodplains: Processes and Management for Ecosystem Services. His research interests include conservation of aquatic species, habitats, and ecosystems, including salmon; ecology of fishes of the San Francisco Estuary; ecology of California stream fishes; impact of introduced aquatic organisms; and use of floodplains by fish.
Robert Lusardi is the California Trout/UC Davis Wild and Coldwater Fish Researcher focused on establishing the basis for long-term science specific to California Trout’s wild and coldwater fish initiatives. His work bridges the widening gap between academic science and applied conservation policy, ensuring that rapidly developing science informs conservation projects throughout California. Dr. Lusardi resides at the UC Davis Center for Watershed Sciences and works closely with Dr. Peter Moyle on numerous projects to help inform California Trout conservation policy. His recent research interests include Coho salmon on the Shasta River, the ecology of volcanic spring-fed rivers, inland trout conservation and management, and policy implications of trap and haul programs for anadromous fishes in California.
Patrick Samuel is the Conservation Program Coordinator for California Trout, a position he has held for almost two years, where he coordinates special research projects for California Trout, including the State of the Salmonids report. Prior to joining CalTrout, he worked with the Fisheries Leadership & Sustainability Forum, a non-profit that supports the eight federal regional fishery management councils around the country. Patrick got his start in fisheries as an undergraduate intern with NOAA Fisheries Protected Resources Division in Sacramento, and in his first field job as a crew member of the California Department of Fish & Wildlife’s Wild and Heritage Trout Program.
2 Comments
Great work! I grew up in this area. Klamath River and Tributaries are beautiful. As long as all stakeholders are working together from farmers/ranchers/tribes/fishermen/miners/conservationists.
This is a good project but, like so much of the “restoration” that has been done in the Scott River Valley over the past 30 years, it will not be effective unless at least DFW identified Scott River minimum flows are assured. The State Water Board should be encouraged to adopt interim flows now and to chart a clear path to adopting long-term Scott River flow objectives by water year type.