Author Archives: andrewrypel

About andrewrypel

Andrew Rypel is an Associate Professor and the Peter B. Moyle and California Trout Chair of coldwater fish ecology at the University of California, Davis. He is a faculty member in the Department of Wildlife, Fish & Conservation Biology and Co-Director of the Center for Watershed Sciences.

Risk Rating 2.0: A first look at FEMA’s new flood insurance system

By Ryan Miller, Peter Hansen, and Nicholas Pinter Risk Rating 2.0 has been called the Federal Emergency Management Agency’s (FEMA)’s most significant reform in 50 years.  Roughly 77% of customers of the National Flood Insurance Program (NFIP) nationwide will see … Continue reading

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Experimental Habitats for Hatchery Delta Smelt

by Peter Moyle The Delta smelt is either extinct in the wild or close to it; in the past year only a handful have been caught, with great effort. In contrast, the UC Davis Fish Conservation and Culture Laboratory (FCCL) … Continue reading

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Do largemouth bass like droughts?

By Andrew L. Rypel “The Delta is full of species that thrive in the lakes in southern Arkansas” ~Bill Bennett by Andrew Rypel As we rapidly enter another drought, long-standing questions on ecological impacts of increased temperatures, reduced water levels … Continue reading

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Suisun Marsh fishes in 2020: Persistence during the Pandemic

by Teejay O’Rear, John Durand, Peter Moyle Suisun Marsh is central to the health of the San Francisco Estuary. Not only is it a huge (470 km2) tidal marsh in the center the northern estuary (Figure 1), but it is an … Continue reading

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Field courses help young people see the real world

by Andrew L. Rypel It was perhaps unsurprising I wound up a field ecologist. Raised in Wisconsin, I spent almost all my childhood free time roaming largely unchaperoned in nature, pre-internet. It was there that I developed a deep love … Continue reading

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That Time Warren Buffett Got Involved in California Water

by Andrew L. Rypel As if 2020, wasn’t completely strange enough, it wound up also being a time when Warren Buffett was plunged headlong into California water. Buffett of course is an American business tycoon – primarily an investor, and … Continue reading

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Celebrating Black Scientists in Fisheries & Biology

By Kim Luke, Christine Parisek, Rachelle Tallman, Marissa Levinson, Sarah Yarnell, Miranda Bell Tilcock, Andrew Rypel, and Jay Lund In honor of Black History Month, the Center for Watershed Sciences would like to highlight the contributions of Black scientists in … Continue reading

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Eat Prey Loon: lessons from juvenile loons in Wisconsin

by Brian A. Hoover, Andrew L. Rypel and Walter H. Piper Do you remember when you first moved from home, and were completely on your own in new surroundings? How did you decide where to live, or which restaurants to … Continue reading

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Can Japanese Smelt Replace Delta Smelt?

by Peter Moyle A question I get asked on occasion is: Why all this fuss about endangered delta smelt when there is another smelt that looks just the same that can takes its place? The smelt being referenced is the wakasagi … Continue reading

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A Swiss Cheese Model for Fish Conservation in California

by Andrew L. Rypel, Peter B. Moyle, and Jay Lund We read with great interest Nicholas Chistakis’s piece outlining a “Swiss Cheese Model For Combating Covid-19” in the Wall Street Journal. Christakis presents a model for considering the individual steps … Continue reading

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