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Prosopis pubescens Shrubland | Western Ecology Working Group of...
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Name: Prosopis pubescens Shrubland Reference: Western Ecology Working Group of... Description: This association has been described only along the Rio Grande valley of southern New Mexico, in Socorro, Sierra, and Dona Ana counties. Apparently it does not extend into Texas. It occurs along the valley floor of a large river in southern New Mexico, from 3700 to near 4000 feet elevation. Materials of stone, gravel, sand, silt, and clay have been deposited in the valley to the depth of many hundreds of feet, over which a relatively flat floodplain has developed consisting of alluvial materials deposited by tributaries. This association occurs on the most xeric portions of the valley floor, but Prosopis pubescens is able to tap deep groundwater. However, the common presence of Distichlis spicata indicates the water table is usually within 4 feet of the surface. Spring floods may or may not reach individual stands every year. The species structure and composition of Prosopis pubescens Shrubland (CEGL001387) is not well-described. The canopy consists the broad-leaved, deciduous thorny shrub Prosopis pubescens, which may reach heights of 10 m. Cover of this species is highly variable, but typically is over 30% and up to 60%. There is a shorter shrub layer, also composed of broad-leaved, deciduous species, including Baccharis salicifolia, Lycium andersonii, Suaeda suffrutescens and Pluchea sericea. Total cover of this shorter layer (<2 m) is less than 10%. The most common species in the herbaceous layer are the perennial grasses Distichlis spicata and Sporobolus airoides. There is also a component of weedy, annual forbs.  Accession Code: VB.CC.19890.PROSOPISPUBESCE Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: 17-Nov-2014
	status: accepted Community's Parent: Prosopis pubescens Shrubland Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: American Screwbean Shrubland   UID: ELEMENT_GLOBAL.2.684799 NatureServe Explorer   Code: CEGL001387   Scientific: Prosopis pubescens Shrubland   Common: Screwbean Mesquite (convergence) and Synonyms: (undetermined) Prosopis pubescens Shrubland