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Sagebrush steppe with Artemisia tridentata, of the Great Basin region in Owyhee County, Idaho. Sagebrush steppe also known as the sagebrush sea, is a type of shrub-steppe, a plant community characterized by the presence of shrubs, and usually dominated by sagebrush, any of several species in the genus Artemisia. [1]
Sagebrush scrub occurs in relatively deep soils along the Sierra-Cascade axis, running from Modoc County to San Bernardino County. [4]In the Sierra Nevada range, in California, sagebrush associates include bitterbrush (Purshia tridentata), curl-leaf mountain-mahogany (Cercocarpus ledifolius), and rabbitbrushes (Chrysothamnus spp., Ericameria spp.). [1]
Sagebrush. Shrub-steppe is a type of low-rainfall natural grassland. While arid, shrub-steppes have sufficient moisture to support a cover of perennial grasses or shrubs, a feature which distinguishes them from deserts. The primary ecological processes historically at work in shrub-steppe ecosystems are drought and fire. Shrub-steppe plant ...
Sagebrush is the common name of several woody and herbaceous species of plants in the genus Artemisia. The best-known sagebrush is the shrub Artemisia tridentata . Sagebrushes are native to the West Coast of North America .
Big sagebrush is a coarse, many-branched, pale-grey shrub with yellow flowers and silvery-grey foliage, which is generally 0.5–3 metres (1 + 1 ⁄ 2 –10 feet) tall. [3] A deep taproot 1–4 m (3 + 1 ⁄ 2 –13 ft) in length, coupled with laterally spreading roots near the surface, allows sagebrush to gather water from both surface precipitation and the water table several meters beneath.
Photo by Ansel Adams, c.1941 Mustangs run across a Sagebrush steppe, Tule Valley, Utah View of Indian Wells Valley, part of the Mojave (high) desert near Ridgecrest, California Guadalupe Mountains in Texas 2006. This list of North American deserts identifies areas of the continent that receive less than 10 in (250 mm) annual precipitation.
The dominant vegetation of this ecoregion is sagebrush (Artemisia tridentata), often associated with various Agropyron species or fescue grass.At its upper altitudinal limit, the shrub steppe grades into the bordering mountain ecoregions, namely the South Central Rockies forests, the Colorado Rockies forests and the Wasatch and Uinta montane forests.
The Great Basin Desert is part of the Great Basin between the Sierra Nevada and the Wasatch Range.The desert is a geographical region that largely overlaps the Great Basin shrub steppe defined by the World Wildlife Fund, and the Central Basin and Range ecoregion defined by the U.S. Environmental Protection Agency and United States Geological Survey.