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Costs of Ecosystem Management Actions for the Sacramento-San Joaquin Delta

By Josué Medellín-Azuara, John Durand, William Fleenor, Ellen Hanak ...

California is at a critical juncture on policy for the Sacramento–San Joaquin Delta. This report summarizes the results of a wide-ranging study of cost-effective ways to improve the health of the Delta ecosystem. It highlights the need for science-based, integrated management of the many sources of ecosystem stress. The report also recommends improvements to the highly fragmented system of oversight that now involves dozens of federal, state, and local agencies.

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

Several companion reports contain related findings:

Aquatic Ecosystem Stressors in the Sacramento–San Joaquin Delta (Mount et al. 2012) summarizes the science of Delta ecosystem stressors for a policymaking audience.

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

Scientist and Stakeholder Views on the Delta Ecosystem

By Ellen Hanak, Jay Lund, Jeffrey Mount, Peter Moyle ...

There is broad scientific recognition that a wide range of ecosystem stressors are responsible for the declines in native fish populations in the Sacramento–San Joaquin Delta. But science and policymaking have been at odds about the roles of different stressors and the potential of various management actions to improve ecosystem health. In the summer of 2012, PPIC conducted two confidential surveys on the impact of ecosystem stressors: one sought input from scientific experts and the other focused on stakeholders and policymakers. This report analyzes the results and examines the implications of both surveys.

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

Several companion reports contain related findings:

Aquatic Ecosystem Stressors in the Sacramento–San Joaquin Delta (Mount et al. 2012) summarizes the science of Delta ecosystem stressors for a policymaking audience.

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.

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

Integrated Management of Delta Stressors: Institutional and Legal Options

By Ellen Hanak, Jay Lund, Jeffrey Mount, Brian Gray

Despite some recent progress, the current institutional landscape for regulation and management of stressors in the in the Sacramento–San Joaquin Delta is highly fragmented. A modest but powerful set of institutional changes can help produce better environmental outcomes while containing management costs—which are likely to exceed several hundred million dollars annually. This report lays out proposals for institutional reform.

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

Several companion reports contain related findings:

Aquatic Ecosystem Stressors in the Sacramento–San Joaquin Delta (Mount et al. 2012) summarizes the science of Delta ecosystem stressors for a policymaking audience.

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

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

California’s Water Market, By the Numbers, Update 2012

By Ellen Hanak, Elizabeth Stryjewski

This report provides a check-up on California’s progress with two innovative water management tools: water marketing and groundwater banking. These tools are part of a modern approach that will enable California to manage its scarce water resources more flexibly and sustainably.

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

Report

Where the Wild Things Aren’t: Making the Delta a Better Place for Native Species

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

How can California address the Delta’s many problems—and manage its ecosystem more effectively in the future? The authors propose a strategy for realistically achieving co-equal goals of water supply reliability and ecosystem protection in this troubled region.

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

Several companion reports contain related findings:

Aquatic Ecosystem Stressors in the Sacramento–San Joaquin Delta (Mount et al. 2012) summarizes the science of Delta ecosystem stressors for a policymaking audience.

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.

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

Water and the California Economy

By Ellen Hanak, Jay Lund, Richard Howitt, Brian Gray ...

California’s economy can grow and prosper despite droughts and water shortages caused by a changing climate—but only if threats to the water system are addressed now. So far, innovative water management has supported the needs of a growing population but serious concerns remain, including water supply reliability and declining groundwater basins.

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

Report

Transitions for the Delta Economy

By Ellen Hanak, Jay Lund, Richard Howitt, Josué Medellín-Azuara

Enormous changes—from natural forces to management decisions—are coming to California’s fragile Delta region and will have broad effects on its residents. This report finds that in the first half of this century, the Delta as a whole is likely to experience a loss of 1 percent of economic activity as a result of these changes. It also identifies planning priorities for managing the Delta’s future.

This research was supported with funding from the Watershed Sciences Center at UC Davis.

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