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Larrea tridentata - Flourensia cernua Shrubland | Western Ecology Working Group of...
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Name: Larrea tridentata - Flourensia cernua Shrubland Reference: Western Ecology Working Group of... Description: From Muldavin et al. (2000b): This established, but minor, plant association of White Sands Missile Range occurs within both the Jornada del Muerto and Tularosa basins and has been described on Fort Bliss Military Reservation (Wood et al. 1998). Stands are found on lower alluvial slopes and upper basin bottoms at elevations of 1070 to 1520 m (3500-5000 feet). Slopes are usually less than 1% and occasionally have scattered rock or gravel on the surface. <i>Flourensia cernua</i> occurs most often on heavy, fine soils, while <i>Larrea tridentata</i> is adapted to a wide range of soils (Buffington and Herbel 1965, Gehlbach 1967, Laurenroth et al. 1994b, Van Devender 1995). Stands are characterized by a shrub layer codominated by <i>Larrea tridentata</i> and <i>Flourensia cernua</i>. The shrubs are tall, evenly distributed and typically form a moderately open canopy. Scattered <i>Gutierrezia sarothrae, </i><i>Opuntia macrocentra</i>, and <i>Prosopis glandulosa</i> are often present. The grass layer is poorly represented, but can include scattered clumps of <i>Sporobolus airoides</i> between shrub canopies, or <i>Muhlenbergia porteri</i> growing underneath them. The forb layer is scattered and <i>Acourtia nana</i> is most common. Buffington and Herbel (1965) found that increases in <i>Flourensia cernua</i> were difficult to distinguish from increases in <i>Larrea tridentata</i>, as <i>Larrea tridentata</i> establishment often followed or quickly replaced <i>Flourensia cernua</i> in particular areas. Because <i>Larrea tridentata</i> exploits deeper water sources than <i>Flourensia cernua</i>, it may not be as vulnerable to drought (Montana et al. 1995).  Accession Code: VB.CC.33529.CEGL001270 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.2.688941 NatureServe Explorer   Translated: Creosotebush - American Tarwort Shrubland   Scientific: Larrea tridentata - Flourensia cernua Shrubland   Code: CEGL001270