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Californias freshwater fishes: status and management

Quiñones, Rebecca M. Peter Moyle

Published in FISHMED Fishes in Mediterranean Environments

Fishes in Mediterranean climates are adapted to thrive in streams with dynamic environmental conditions such as strong seasonality in flows. However, anthropogenic threats to species viability, in combination with climate change, can alter habitats beyond native species environmental tolerances and may result in extirpation. Although the effects of...

Economic Feasibility of Irrigated Agricultural Land Use Buffers to Reduce Groundwater Nitrate in Rural Drinking Water So...

Mayzelle, Megan M. Joshua Viers Josué Medellín-Azuara Thomas Harter

Published in Hydro Nepal Journal of Water Energy and Environment

Agricultural irrigation leachate is often the largest source for aquifer recharge in semi-arid groundwater basins, but contamination from fertilizers and other agro-chemicals may degrade the quality of groundwater. Affected communities are frequently economically disadvantaged, and water supply alternatives may be too costly. This study aimed to de...

Integrating Storage in Californias Changing Water System

Jay Lund Munevar, Armin Taghavi, Ali Hall, Maurice Saracino, Anthony

California can effectively use no more than a 15 percent increase - 6 million acre-feet - in surface water storage capacity. Exceeding this expansion runs into limits of available precipitation and the ability to transport water. The study determined the maximum additional storage space that could be used, both with and without coordination with ot...

Drought Curtailment of Water Rights Problems and Technical Solutions

Jay Lund Ben Lord William Fleenor Ann Willis

The current drought has focused and renewed discussion about how California curtails water rights when water availability is insufficient. Prior to the 2013-14 water year, the most recent curtailment effort dates back almost 40 years to 1976-77. Since then, many changes and advances have occurred in water use, policies, and technology. New complica...

Assessing flows for fish below dams: A systematic approach to evaluate compliance with California Fish and Game Code 593...

Grantham, Theodore E Peter Moyle

Scientists have identified 181 California dams that may need to increase water flows to protect native fish downstream. The screening tool, developed by the Center for Watershed Sciences at the University of California, Davis, to select \textquotedbllefthigh-priority\textquotedblright dams may be particularly useful during drought years amid compet...

Systematic screening of dams for environmental flow assessment and implementation

Grantham, Theodore E Joshua Viers Peter Moyle

Published in BioScience

Environmental flow protections are crucial to the conservation of freshwater biodiversity in dam-regulated river systems. Nevertheless, the implementation of environmental flows has lagged far behind the pace of river ecosystem alteration. The vast number of dams now in operation and the substantial resources required to modify their operations sug...

Major River Allocations

Grantham, Theodore E Joshua Viers

Table of California water rights allocation volumes and percentages relative to supplies for about 100 river basins.

Climate change vulnerability of freshwater fishes in the San Francisco Bay Area

Quiñones, Rebecca M. Peter Moyle

Published in San Francisco Estuary and Watershed Science

Climate change is expected to progressively shift the freshwater environments of the San Francisco Bay Area (SFBA) to states that favor alien fishes over native species. Native species likely will have more limited distributions and some may be extirpated. Stream-dependent species may decline as portions of streams dry or become warmer due to lower...

100 years of Californias water rights system: patterns, trends and uncertainty

Grantham, Theodore E Joshua Viers

Published in Environmental Research Letters

For 100 years, Californias State Water Resources Control Board and its predecessors have been responsible for allocating available water supplies to beneficial uses, but inaccurate and incomplete accounting of water rights has made the state ill-equipped to satisfy growing societal demands for water supply reliability and healthy ecosystems. Here, ...

Economic Impacts of 2014 Drought on California Agriculture by Region

Richard Howitt Josué Medellín-Azuara Macewan, Duncan Jay Lund Sumner, Daniel

A regional breakdown of the estimated economic impact of the 2014 drought on California agriculture. This is an expansion of Table 5 in Howitt et al. (2014).

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