Author Archives: Andrew Rypel

By Amber Lukk and Ann Willis In drought-prone northern California, limited water resources, private water rights allocations, and inefficient transport and use of water resources causes tension between freshwater conservation and private landownership (Garibaldi et al. 2020, Vissers 2017). In … Continue reading →

By Peter B. Moyle and Anna M. Sturrock The question addressed in this blog comes from a new PPIC report that calls for reforms in management of environmental water stored behind dams in California. The report shows it is possible … Continue reading →

by Andrea Schreier, Peter B. Moyle, Nicholas J. Demetras, Sarah Baird, Dennis Cocherell, Nann A. Fangue, Kirsten Sellheim, Jonathan Walter, Myfanwy Johnston, Scott Colborne, Levi S. Lewis, and Andrew L. Rypel Sturgeons belong to an ancient family of fishes that once … Continue reading →

By Abigail E. Ward and Miranda Bell-Tilcock This is no ordinary witch’s brew. It’s one part of the recipe to study thiamine deficiency in our California Central Valley Chinook salmon (Oncorhynchus tshawytscha) populations. In 2019, hatcheries noticed an eerie and … Continue reading →

By Andrew L. Rypel In the coming weeks, fall-run Chinook salmon (Oncorhynchus tshawytscha) will appear in Putah Creek again to spawn. The fact that any salmon spawn in Putah Creek is a small miracle, and testimony to the resilience of … Continue reading →

by Andrew L. Rypel Note: this is a re-post from August 2020. Throughout my career I’ve spent some time studying the fascinating ecology and conservation issues of freshwater mussels (Fig. 1). For me, learning about mussels has fortified a recurring … Continue reading →

By Ryan Miller and Nicholas Pinter Following a major flood or other natural disaster, the US federal government provides disaster assistance to individuals and local and state jurisdictions to help them recover. Over the past ~20 years, these federal payments have … Continue reading →

With summer wrapping up and a new school year upon us, we decided it was a good time to reflect on outreach done by researchers at the Center for Watershed Sciences (CWS) at UC Davis. Some of the outreach was … Continue reading →

By Andrew L. Rypel The famous expression ‘Life Happens!’ has certainly been around awhile. It’s reserved as a sort of colloquialism, describing how someone’s life or life plans are completely upended by circumstances, usually because of seemingly random events. This … Continue reading →

By Andrew L. Rypel “I have more confidence in the ability of institutions to improve their thinking than in the ability of individuals to improve their thinking” ~Daniel Kahneman It is long recognized that there are two dominant modes of … Continue reading →