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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 1130 to near 1220 m (3700-4000 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 <i>Prosopis pubescens</i> is able to tap deep groundwater. However, the common presence of <i>Distichlis spicata</i> indicates the water table is usually within 1.2 m (4 feet) of the surface. Spring floods may or may not reach individual stands every year. The species structure and composition of ~<i>Prosopis pubescens</i> Shrubland (CEGL001387)$$ is not well-described. The canopy consists the broad-leaved, deciduous thorny shrub <i>Prosopis pubescens</i>, 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 <i>Baccharis salicifolia, Lycium andersonii, Suaeda suffrutescens</i> and <i>Pluchea sericea</i>. Total cover of this shorter layer (<2 m) is less than 10%. The most common species in the herbaceous layer are the perennial grasses <i>Distichlis spicata</i> and <i>Sporobolus airoides</i>. There is also a component of weedy, annual forbs.  Accession Code: VB.CC.33294.CEGL001387 Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 17-Nov-2014 to: 01-May-2019
	status: accepted This Community's Level: association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.684799 NatureServe Explorer   Translated: American Screwbean Shrubland   Code: CEGL001387   Scientific: Prosopis pubescens Shrubland