Tag Archives: Andrew Rypel

Being the Lorax

Posted on August 31, 2025 by Christine Parisek

By Andrew L. Rypel “Way back in the days when the grass was still green and the pond was still wet and the clouds were still clean, and the song of the Swomee-Swans rang out in space…one morning, I came … Continue reading →

Posted in Uncategorized | Tagged , , | 1 Comment

Change at the Center for Watershed Sciences

Posted on August 24, 2025 by Christine Parisek

By Karrigan Börk Readers of the California Water Blog (Blog) may have noticed some changes over the past year. The Blog is a product of the UC Davis Center for Watershed Sciences (CWS), and after many years of dedicated service, … Continue reading →

Posted in Uncategorized | Tagged , , , , , , , , , , , , , , , | 1 Comment

Build it, and they will come: Early evidence for establishment of Chinook salmon in Putah Creek, CA

Posted on June 29, 2025 by Christine Parisek

By Lauren G. Hitt, Malte Willmes, Mackenzie C. Miner, Max Stevenson, Carson A. Jeffres, Robert A. Lusardi, Nann A. Fangue, and Andrew L. Rypel For the third year in a row, regulators have canceled California’s commercial Chinook salmon fishing season.Poor spawning … Continue reading →

Posted in Uncategorized | Tagged , , , , , , , , , , | Leave a comment

A Conservation Footprint for Multiple Species of Wildlife in California Rice

Posted on April 6, 2025 by Christine Parisek

By John M. Eadie, Daniel S. Karp, and Andrew L. Rypel Picture a farm. Only one crop type is grown over a vast field stretching to the horizon. Signs of modern agriculture are everywhere— tractors slowly driving by, fields engineered … Continue reading →

Posted in Uncategorized | Tagged , , , , , , , , , , | 3 Comments

Functional Flows are Good for California’s Native Fishes

Posted on February 23, 2025 by Christine Parisek

By Sarah Yarnell, Ethan Baruch, Andrew L. Rypel, and Rob Lusardi As California grapples with ongoing water management challenges, the question of “how much water to leave in streams” to support native fishes and aquatic species often arises. There is no easy … Continue reading →

Posted in Uncategorized | Tagged , , , , , , , | 1 Comment

Dear Santa: A California Water Holiday Wish List

Posted on December 22, 2024 by Christine Parisek

by folks at UC Davis Center for Watershed Sciences: Karrigan Börk, John Durand, Jay Lund, Christine Parisek, Andrew Rypel, Kathleen Schaefer, Jonathan Walter (authors listed alphabetically, and all are now PhDs. Congratulations to Doctors Parisek and Schaefer!) ‘Tis the season … Continue reading →

Posted in Uncategorized | Tagged , , , , , , , | 1 Comment

Black Bass Diversity in California

Posted on October 13, 2024 by Christine Parisek

By Peter B. Moyle and Andrew L. Rypel When both of us began studying the freshwater fishes of California, we independently discovered most fishes found in reservoirs and other highly altered habitats belonged to non-native species. Anglers and many fishery … Continue reading →

Posted in Uncategorized | Tagged , , , , | Leave a comment

Watching native fishes vanish

Posted on September 1, 2024 by Christine Parisek

By Andrew L. Rypel and Peter B. Moyle It’s an odd, disturbing feeling – watching populations of native fish species collapse and then disappear. Sometimes it happens quickly, other times it’s a series of slowstep change events. The end result … Continue reading →

Posted in Uncategorized | Tagged , , , , , , | 3 Comments

Mornings at the Duck Pond

Posted on April 14, 2024 by Andrew Rypel

By Andrew L. Rypel Each morning is similar, but different. As we approach the pond on the wooden catwalk, you can hear the birds calling, eventually you start to smell the freshness of the ecosystem, the glitters and splashing ahead … Continue reading →

Posted in Uncategorized | Tagged | 3 Comments

Seven conservation lessons I learned in government work

Posted on February 12, 2024 by Andrew Rypel

By Andrew L. Rypel *this is a repost of a blog originally published in 2020. Before joining the faculty at UC Davis, I spent the previous five years as a research scientist at the Wisconsin Department of Natural Resources in … Continue reading →

Posted in Uncategorized | Tagged , , , , , , | 8 Comments