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Atriplex corrugata Dwarf-shrubland Alliance | Western Ecology Working Group of...
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Name: Atriplex corrugata Dwarf-shrubland Alliance Reference: Western Ecology Working Group of... Description: Shrublands in this alliance are found on lower hillslopes and alkaline flats on Colorado Plateau portions of northwestern New Mexico, western Colorado and Utah. Climate is semi-arid with most of the highly variable precipitation falling in July and August as high-intensity thunderstorms. Mean annual precipitation is approximately 23 cm. Elevation ranges from 1300-1820 m. Sites are nearly flat to moderately steep, and have soils typically derived from Mancos Shale. Soils are moderately deep, strongly saline, moderately alkaline, fine-textured (clayey), poorly developed and typically have high erosion rates. Stands have very sparse to moderate cover (5-30%) of woody vegetation that is dominated by the halophytic, evergreen dwarf-shrub Atriplex corrugata. Sparse stands are often completely dominated by this plant. Stands typically have very low species diversity. Depending on soil salinity and moisture, other plants may be present, including the shrubs Tetradymia spinosa, Picrothamnus desertorum (= Artemisia spinescens), and Krascheninnikovia lanata. The herbaceous layer is very sparse. Scattered perennial forbs, such as Xylorhiza glabriuscula and Sphaeralcea grossulariifolia, and the perennial grass Achnatherum hymenoides (= Oryzopsis hymenoides) have been reported. Annuals are seasonally present and may include Eriogonum inflatum, Plantago tweedyi, and the exotics Bromus tectorum, Malcolmia africana, and Salsola kali.  Accession Code: VB.CC.23081.ATRIPLEXCORRUGA Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: 01-May-2019
	status: accepted This Community's Level: Alliance This Community's Children: [none]		Names:   Scientific: Atriplex corrugata Dwarf-shrubland Alliance   Translated: Mat Saltbush Dwarf-shrubland Alliance   UID: HIGHER_CLASS_UNIT.2.125827 NatureServe Explorer   Code: A.1109