Author Archives: UC Davis Center for Watershed Sciences

Science, the Delta, and the future of San Joaquin salmon

by Peter B. Moyle I feel fortunate to be a biologist in an era and place, California, where science matters.  Routine scientific studies rarely make headlines but they are relied on by decision makers because they reduce uncertainty, bit by … Continue reading

Posted in Biology, California Water, Fish, Sacramento-San Joaquin Delta, San Joaquin River | Tagged | 4 Comments

Fish managers tasked with ranching? Conservation wins

by Ann Willis In May, the Wildlife Conservation Board (WCB) approved $2.4M for the California Department of Fish and Wildlife (CDFW) to acquire Shasta Big Springs Ranch on the Shasta River, a tributary to the Klamath River.  This follows a … Continue reading

Posted in Agriculture, Conservation, Planning and Management, reconciliation, Sustainability | Tagged , , | 1 Comment

Killing Native Fishes for Fun and Predator Control

by Teejay A. O’Rear, John R. Durand, and Peter B. Moyle A recent posting of a short film on a 2017 fishing derby (FISHBIO 2018a) is disturbing to those of us interested in conserving our native fishes.  The film glorifies … Continue reading

Posted in Conservation, Fish, Sacramento-San Joaquin Delta | Tagged , , , | 10 Comments

Groundwater exchange pools in Los Angeles: An innovative example of adaptive management

by Erik Porse, Kathryn Mika, Stephanie Pincetl, Mark Gold, and William Blomquist Across California, Groundwater Sustainability Agencies (GSAs) are devising plans to reduce long-term overdraft. As part of the 2014 Sustainable Groundwater Management Act, GSAs will submit plans in 2020-2022, … Continue reading

Posted in California Water, Groundwater, urban water | Tagged , | Leave a comment

Indirect Environmental Benefits of Cannabis Cultivation Regulation

by Kathleen Stone The external pressures for cannabis cultivation and the immediate need for water use regulation may provide opportunities for broader, long-sought environmental objectives in California. Specifically, legislation and state programs regulating water use for cannabis cultivation could produce … Continue reading

Posted in Uncategorized | Tagged , | 3 Comments

SGMA struggles to overcome marginalization of disadvantaged communities

by Kristin Dobbin Small Disadvantaged Communities (DACs), or DACs with less than 10,000 people, have long been disproportionately affected by California’s water management woes such as groundwater overdraft and pollution. Now, new research from the UC Davis Center for Environmental … Continue reading

Posted in California Water, Drinking water, Drought, Groundwater | Tagged , , | 7 Comments

Guest Species – What about the nonnative species we like?

by Karrigan Bork, JD, PhD Conservationists worry about a host of nonnative species, and with good reason. Nonnative species cause north of $120 billion per year in damages in North America alone, and they present the primary extinction risk for roughly … Continue reading

Posted in Conservation, Fish, Stressors | Tagged , | 4 Comments

Managing Domestic Well Impacts from Overdraft and Balancing Stakeholder Interests

by Robert M. Gailey and Jay R. Lund The historic drought in California from 2012 through 2016 brought unprecedented groundwater level declines and reports of dry domestic supply wells.  This was particularly true in the Central Valley. New research on … Continue reading

Posted in Groundwater | Tagged , | 6 Comments

Habitat Restoration for Chinook Salmon in Putah Creek: A Success Story

by Eric Chapman, Emily Jacinto, and Peter Moyle 2017 was another good year for Chinook salmon in Putah Creek. Putah Creek is just a small stream flowing through Yolo and Solano counties, fed by releases of water from Lake Berryessa. … Continue reading

Posted in Biology, Fish, Restoration, Salmon | Tagged , , , | 1 Comment

Improving Urban Water Conservation in California

by Erik Porse The relatively dry 2017-18 winter in California resurfaced recent memories of drought conservation mandates. From 2013-16, urban water utilities complied with voluntary, then mandatory, water use limits as part of Executive Order B-37-16. Urban water utilities met … Continue reading

Posted in California Water, Conservation, Drought, urban water | Tagged | 3 Comments