Author Archives: andrewrypel

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

Posted in Uncategorized | Leave a comment

2021: Is this the year that wild delta smelt become extinct?

by Peter Moyle, Karrigan Börk, John Durand, T-C Hung, and Andrew L. Rypel 2020 was a bad year for delta smelt. No smelt were found in the standard fish sampling programs (fall midwater trawl, summer townet survey). Surveys designed specifically … Continue reading

Posted in Uncategorized | Leave a comment

We Wish You A Silly Fishmas

by Kim Luke Night Before Fishmas “Twas the night before Fishmas, when all through the spaceNot a creature was stirring, not even a Dace;The fyke nets were hung by the boat dock with care,In hopes that St. Fish-olas soon would … Continue reading

Posted in Uncategorized | 2 Comments

Picture this research – a photo blog from the Center for Watershed Sciences

by Scientists at CWS Holidays are a natural time of introspection on who we are, what we do, and why. Towards a bit of our own self-reflection, some researchers from UC Davis’ Center for Watershed Sciences (CWS) have each contributed … Continue reading

Posted in Uncategorized | 2 Comments

Making “productive” assessments of California’s ecosystems

by Andrew L. Rypel Conservation science and restoration ecology are challenging and interdisciplinary fields. Managing for ecological function necessitates focus on multiple scales of ecological organization while simultaneously integrating feedback loops with critical environmental drivers like temperature, flow and habitat … Continue reading

Posted in Uncategorized | 1 Comment

Getting to the Bottom of What Fuels Algal Blooms in Clear Lake

By: Nick Framsted Clear Lake is one of California’s oldest and most unique natural features. Nestled in Northern California’s coastal mountains, Clear Lake is the largest lake completely within California and is the oldest lake in North America with sediments … Continue reading

Posted in Uncategorized | Leave a comment

Small Dam, Big Deal: York Dam Removed in Napa Valley

By: Amber Manfree, Peter Moyle, Ted Grantham The recent removal of the sediment-filled York Dam in Napa County has reconnected two miles of steelhead trout habitat that has been blocked for over a century. While the dam itself was small … Continue reading

Posted in Uncategorized | 1 Comment

New insights into Putah Creek salmon

by Malte Willmes, Anna Steel, Levi Lewis, Peter B. Moyle, and Andrew L. Rypel It’s November 2016, and we’re out in canoes on Putah Creek as part of the annual salmon survey. Just as we navigate our watercraft through a … Continue reading

Posted in Uncategorized | 3 Comments

Rockin’ with the Rockfish

By Andrew L. Rypel and Peter B. Moyle California is a spoil of natural resource riches. Most times, our California waterblog busies itself with important freshwater resources issues. Yet every now and again, it is refreshing and worth turning our … Continue reading

Posted in Uncategorized | 1 Comment

How will climate change affect the economic value of water in California?

by Lorie Srivastava Climate change is affecting natural resources in California, with water being one of the most important in the state. Water is critical for municipalities, agriculture, industry, and habitat/environmental purposes. Will future supply meet future demand? How will … Continue reading

Posted in Uncategorized | Leave a comment