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The California coastal sage and chaparral (Spanish: Salvia y chaparral costero de California) is a Mediterranean forests, woodlands, and scrub ecoregion, defined by the World Wildlife Fund, located in southwestern California (United States) and northwestern Baja California . It is part of the larger California chaparral and woodlands ecoregion.
Chamise (Adenostoma fasciculatum) resprouting after a high-intensity chaparral fire Wildflower display after the 2007 Witch Creek Fire, San Diego County, California Impact of high fire frequency: chaparral/sage scrub type converted to non-native grassland. Chaparral is a coastal biome with hot, dry summers and mild, rainy winters.
Montane chaparral and woodlands in the Santa Ynez Mountains, near Santa Barbara, California. Most of the population of California and Baja California lives in these ecoregions, which includes the San Francisco Bay Area, Ventura County, the Greater Los Angeles Area, San Diego County, Tijuana, and Ensenada, Baja California.
One common factor among chaparral, however, is that a minimum of 10 years is needed between fires for the chaparral to mature and set enough seed in the soil to create a fire resilient environment. As human activity increases the frequency of fires, the chaparral's ability to renew itself decreases, leading to elimination and degradation.
The lowest-elevation biotic zone in the Sierra Nevada is found along the boundary with the Central Valley. [5] This zone, stretching in elevation from 500 to 3,500 feet (150 to 1,070 m), is the foothill woodland zone, an area that is hot and dry in the summer with very little or no snow in the winter. [5]
The montane chaparral consists of a mosaic of sage scrub, chaparral, and montane species, depending on altitude. [9] The California interior chaparral and woodlands form a ring around the Central Valley, covering the hills around the Bay Area as well as the foothills of the Sierra Nevada. [10]
Alaska is the most biodiverse state with 15 ecoregions across three biomes in the same realm. California comes in a close second with 13 ecoregions across four biomes in the same realm. By contrast, Rhode Island is the least biodiverse with just one ecoregion—the Northeastern coastal forests —encompassing the entire state.
Download as PDF; Printable version; In other projects ... Ecoregions are listed by biome: [1] Temperate coniferous forests ... California coastal sage and chaparral;