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Arizona, California, Nevada, New Mexico, Utah

Central Arizona Project Climate Action Plan

The Central Arizona Project (CAP) provides renewable water supply to central and southern Arizona, where about 80 percent of the population of Arizona resides. This water supply comes from the Colorado River Basin and is subject to priority administration during drought. Recent drought, as well as studies on the potential impacts of climate change, have put a fine point on the need for CAP to be prepared for changing conditions. A prolonged shortage in the Colorado River Basin due to persistent drought could cause CAP to suffer a reduction in water diversions from the river.

Southwest Regional Climate Hub and California Subsidiary Hub Assessment of Climate Change Vulnerability and Adaptation and Mitigation Strategies

This report describes the potential vulnerability of specialty crops, field crops, forests, and animal agriculture to climate-driven environmental changes. Here, vulnerability is defined as a function of exposure to climate change effects, sensitivity to these effects, and adaptive capacity. The exposure of specific sectors of the agricultural and forestry industries varies across the region because the Southwest is climatically and topographically diverse. There is also variability in the sensitivity of different systems to the effects of climate change.

Planktonic Patterns and Processes in the Giant Kelp Macrocystis pyrifera

Propagule supply is fundamental in regulating the strength of demographic and genetic interactions in natural populations. In marine systems, recent studies focusing on benthic fish and invertebrate species with long planktonic durations have found that propagule production and supply are de-coupled by physical transport processes. Most benthic marine populations therefore have been considered demographically open, whereby recruitment is driven by remote propagule production. Few studies have focused on species with shorter planktonic durations (e. g., seaweeds).

Ten Years of Change at the Channel Islands

In 2003, California established thirteen marine protected areas (MPAs) in state waters around the northern Channel Islands, off the coast of Southern California. In 2007, the National Oceanic and Atmospheric Administration extended these MPAs into federal waters of the Channel Islands National Marine Sanctuary. These areas, most of which are no-take marine reserves, were designed to help restore biodiversity and ecosystem health by protecting local marine life and habitats.

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