Increased Delta exports by the federal Bureau of Reclamation in early April resulted in increased salvage of salmon and longfin smelt at the Central Valley Project’s south Delta Tracy Pumping Plant. Salmon smolts salvaged were predominately from the San Joaquin … Continue reading
One of the ramifications of dry conditions in winter 2020 has been the need to cut Delta exports to protect salmon and smelt listed under the state and federal endangered species acts. Lack of rain has led to reduced Delta … Continue reading
Common sense says salmon recovery efforts should focus on the most important factors that control fish population dynamics. In reviewing Central Valley population dynamics, I have seen each life stage and each individual controlling factor become important at one time … Continue reading
In a Maven 1/17/19 post, US Fish and Wildlife Service hatchery managers discuss problems that have developed from trucking salmon smolts from the Coleman National Fish Hatchery (Coleman NFH) to San Francisco Bay. Chief among these problems is that juvenile … Continue reading
The 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 the … Continue reading