Large amounts of rearing habitats for young salmon were lost in the upper Sacramento Valley Basin when Shasta and Keswick Dams were built. Loss of this rearing habitat (located in smaller, shallower river channels upstream of the dams – like … Continue reading
Conundrum: A confusing and difficult problem. The consulting firm FishBio reported in a February 12, 2018 blog post: “Just when you think you’ve got a species figured out, sometimes they show up where they’re “not supposed to be” and make … Continue reading
The NOAA National Marine Fisheries Service’s biological opinion (NMFS BO) on the proposed “California WaterFix” (Delta Twin-Tunnels Project) concludes there will be no significant effect on protected salmon, steelhead, and sturgeon in the Central Valley. In this post, I address … Continue reading
Wet years have led to high production of salmon, steelhead, smelt, sturgeon, splittail, shad, and striped bass in the Central Valley and Bay-Delta. One of main reasons for this high production is that Suisun Bay and Marsh habitat come into … Continue reading
After five critical drought years and only two wet years in the decade from 2013 through 2022, there is hope that Wet year 2023 and Above Normal year 2024 will help recover California salmon populations. However, some salmon survival factors … Continue reading