Category Archives: Uncategorized

An Introduction to State Water Project Deliveries

By Nicole Osorio Most people in California receive some of their drinking water supply from the State Water Project (SWP). The SWP also supplies water to over 10% of California’s irrigated agriculture.  The SWP and its service area span much … Continue reading

Posted in Uncategorized | 1 Comment

Drawing boundaries with DNA to improve conservation

by Ryan Peek Foothill Yellow-legged Frogs have begun to spawn, laying small snow-globe sized egg masses in streams and rivers. They are one of the few stream-breeding frogs endemic to California and Oregon. This species is a good indicator of … Continue reading

Posted in Uncategorized | Leave a comment

How reliable are Groundwater Sustainability Plans?

by Alvar Escriva-Bou, Jay Lund, Josue Medellin-Azuara, and Thomas Harter Earlier this year, the first local Groundwater Sustainability Plans (GSPs) were submitted to California’s Department of Water Resources for basins with the most severe groundwater overdraft.  To comply with the … Continue reading

Posted in Uncategorized | 2 Comments

Protecting California’s Aquatic Biodiversity in a Time of Crisis

by Peter Moyle, Jeanette Howard, Ted Grantham “Nowhere is the biodiversity crisis more acute than in freshwater ecosystems” (Tickner et al. 2020) Weeks of being confined indoors under shelter-in-place orders increases our appreciation of the natural world. Walking and exercising … Continue reading

Posted in Uncategorized | Leave a comment

Supreme Court Ruling Finds Old, New Middle Ground on Clean Water Act’s Application to Groundwater

By Thomas Harter, Steph Tai, and Karrigan Bork In 1972, the U.S. Clean Water Act (CWA) created a permit system for point source discharges to navigable waters of the United States – rivers, lakes, and coastal waters – with the … Continue reading

Posted in Uncategorized | Leave a comment

Science of an underdog: the improbable comeback of spring-run Chinook salmon in the San Joaquin River

By Andrew L. Rypel, Gabriel Singer, and Nann A. Fangue “You can’t design a worse evolutionary strategy for the Anthropocene” There are many variants on this quote, and we’ve heard them often in reference to the status of native fishes … Continue reading

Posted in Uncategorized | Leave a comment

Striped Bass in the Pacific Ocean: When, where and why?

by Dylan K. Stompe Striped bass are an iconic and recreationally important fish species throughout the United States, including within their native range on the Atlantic Coast. Based on their value as a sport fish and as table fare, striped … Continue reading

Posted in Uncategorized | 2 Comments

Eating Delta Smelt

by Peter Moyle, Center for Watershed Sciences, UC Davis Delta smelt are an endangered species and the latest estimates of their numbers indicate they will likely not be around much longer as wild fish. When I first started working on … Continue reading

Posted in Uncategorized | 2 Comments

MWDC Proposes Overarching Delta Solution

by Nestle J. Frobish Today the Megalopolitan Water District of California (a consortium of southern California and Bay Area urban water suppliers) proposed building a new aqueduct to take water from the Sacramento River to Bay Area and southern California … Continue reading

Posted in Uncategorized | 1 Comment

Is California’s dry 2020 water year a drought? Prepare anyway

by Jay Lund Not again! There was not a “Miracle March” to follow California’s precipitation “Flat-line February.”  Instead, we’ve had a “Meh March.” With the near-end of its wet season, California’s 2020 water year is and will be dry.  The … Continue reading

Posted in Uncategorized | 3 Comments