Category Archives: Uncategorized

Saving Clear Lake’s Endangered Chi

By Peter B. Moyle and Thomas L. Taylor ‘Tens of thousands of these fish once ascended streams in Spring. They are of major cultural importance to the Pomo people who harvested them as a valued food source.’ When you read statements … Continue reading

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Unlocking how juvenile Chinook salmon swim in California rivers

By Rusty C. Holleman, Nann A. Fangue, Edward S. Gross, Michael J. Thomas, and Andrew L. Rypel Despite years of study and thousands of research projects, some aspects of the biology of Chinook salmon remain altogether mysterious. One enduring question … Continue reading

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Uncertainty in modeling, an Art Gallery

Water resource planners regularly rely on computer models to illuminate relationships between human- and natural-systems. Anyone who has tinkered with one of California water supply models knows this is a deeply left-brained exercise. During Winter 2021, as part of Jay Lund’s … Continue reading

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California’s continued drought

By Andrew L. Rypel As California’s drought deepens, it is worth checking in on the status of water supplies and what might be in store for the rest of the summer, and beyond. What started with the promise of a … Continue reading

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Considerations for Developing An Environmental Water Right in California

By Karrigan Börk, Andrew L. Rypel, Sarah Yarnell, Ann Willis, Peter B. Moyle, Josué Medellín-Azuara, Jay Lund, and Robert Lusardi This week, news emerged of a State Senate plan that would spend upwards of $1.5B to purchase senior water rights … Continue reading

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Demystifying mist as a source of water supply

By Jay Lund (originally posted in 2015) In some of the world’s driest places, atmospheric moisture is a major source of water for native ecosystems. Some algae, plants and insects in the Israeli and Namibian deserts get much of their water … Continue reading

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The Failed Recovery Plan for the Delta and Delta Smelt

By Peter Moyle Few native species are as controversial as Delta Smelt. It is a 3-4 inch translucent fish that lives only in the California Delta, where the Sacramento and San Joaquin rivers meet. This place also happens to be … Continue reading

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A conservation bill you’ve never heard of may be the most important in a generation

by Andrew L. Rypel This blog is a short introduction to a lesser known federal bill that is one of the most significant pieces of fish and wildlife legislation in decades. In Spring of 2021, Rep. Debbie Dingell (D-Mich.) and … Continue reading

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How engineers see the water glass in California

This is another dry year.  How do California’s engineers see a partially-full water glass?  Mostly the same as they did in the original 2012 version of this post, but we’ve added a few more perspectives. by Jay R. Lund Depending … Continue reading

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Five “F”unctions of the Central Valley Floodplain

by Francheska Torres, Miranda Tilcock, Alexandra Chu, and Sarah Yarnell The Yolo Bypass is one of two large flood bypasses in California’s Central Valley that are examples of multi-benefit floodplain projects (Figure 1; Serra-Llobet et al., 2022). Originally constructed in the early … Continue reading

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