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[6] [7] Desert chaparral is a regional ecosystem subset of the deserts and xeric shrublands biome, with some plant species from the California chaparral and woodlands ecoregion. Unlike cismontane chaparral, which forms dense, impenetrable stands of plants, desert chaparral is often open, with only about 50% of the ground covered. [ 8 ]
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 California chaparral and woodlands is a terrestrial ecoregion of southwestern Oregon, northern, central, and southern California (United States) and northwestern Baja California , located on the west coast of North America.
Ecoregions are listed by biome: [1] Temperate coniferous forests ... California montane chaparral and woodlands; Deserts and xeric shrublands
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.
The Sierras contain portions of two Nearctic biomes: The lower elevation western Sierra foothills are in the Nearctic Mediterranean forests, woodlands, and shrub biome: which is represented here by the California chaparral and woodlands ecoregion's California interior chaparral and woodlands sub-ecoregion.
The California montane chaparral and woodlands is an ecoregion defined by the World Wildlife Fund, spanning 7,900 square miles (20,000 km 2) of mountains in the Transverse Ranges, Peninsular Ranges, and Coast Ranges of southern and central California.
Closed-cone conifer forests are found in small, scattered patches throughout the ecoregion, typically adjacent to maritime chaparral. Common pines are lodgepole pine ( Pinus contorta ), bishop pine ( Pinus muricata ), Monterey pine ( Pinus radiata ), and knobcone pine ( Pinus attenuata ).