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Report

Aquatic Ecosystem Stressors in the Sacramento-San Joaquin Delta

By Ellen Hanak, Jay Lund, William Fleenor, Jeffrey Mount ...

This report looks at five broad categories of stressors on the Delta’s native fishes, examining causes of stress, allocations of responsibility, and options for management.

This research was supported with funding from the S. D. Bechtel, Jr. Foundation.

Several companion reports contain related findings:

Costs of Ecosystem Management Actions for the Sacramento–San Joaquin Delta (Medellín-Azuara et al. 2013) assesses costs of water management actions.

Integrated Management of Delta Stressors: Institutional and Legal Options (Gray et al. 2013) lays out proposals for institutional reform of science, management, and regulation.

Scientist and Stakeholder Views on the Delta Ecosystem (Hanak et al. 2013) presents detailed results of the two surveys conducted by the report’s authors.

Stress Relief: Prescriptions for a Healthier Delta Ecosystem (Hanak et al. 2013) summarizes the overall research project and the recommendations it generated.

Where the Wild Things Aren’t: Making the Delta a Better Place for Native Species (Moyle et al. 2012) outlines a realistic long-term vision for achieving a healthier ecosystem.

Report

A Path Forward for California’s Freshwater Ecosystems

By Jeffrey Mount, Brian Gray, Karrigan Bork, James Cloern ...

California’s freshwater ecosystems are under pressure and its aquatic biodiversity is in decline. The state needs a new approach to protect the many beneficial uses these ecosystems provide. This report describes a way to manage the state’s freshwater ecosystems—called “ecosystem-based management”—that can improve conditions for native biodiversity and human uses, and increase resilience to climate change.

blog post

Managing Freshwater Ecosystems in a Pandemic

By Jeffrey Mount

Efforts to maintain the health of California’s freshwater ecosystems have been disrupted by the COVID-19 pandemic. Yet maintaining momentum on this work is key to reducing the impact of a hotter, drier climate.

blog post

Video: Making the Most of Water for the Environment

By Lori Pottinger

Ted Grantham—the first PPIC CalTrout Ecosystem Fellow and a cooperative extension specialist at UC Berkeley—and a panel of experts discuss a new approach to river management that would restore seasonal components of river flow to sustain ecosystem health.

blog post

Water Law Aided Ecosystems in Drought

By Brian Gray, Leon Szeptycki

A look at how laws designed to protect California’s aquatic environment functioned during this drought.

Report

Storing Water for the Environment

By Sarah Null, Jeffrey Mount, Brian Gray, Kristen Dybala ...

Large reservoirs are essential for managing water in California’s highly variable climate—but over the years, the construction and operation of these reservoirs have had significant environmental costs. Our new research outlines how reservoir operations could be changed to improve the health of the state’s fragile freshwater ecosystems.

blog post

State’s Ecosystems Face a Flood of Changes

By Lori Pottinger

Talk of drought has turned to worries about floods. How will the state’s drought-starved ecosystems adapt to the taps being turned on again? An expert interview with Josh Viers.

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