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Juniperus osteosperma / Bromus tectorum Ruderal Woodland | NatureServe Biotics 2019
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Name: Juniperus osteosperma / Bromus tectorum Ruderal Woodland Reference: NatureServe Biotics 2019 Description: This semi-natural woodland association is usually a degraded form of other <i>Juniperus osteosperma</i> associations with native grass understories. It occurs on ridges and benches in western Colorado and eastern Utah. In these stands, significant ground disturbance, such as surface fire or sheep grazing, allows <i>Bromus tectorum</i> to establish and out-compete native grasses. Elevations range from below 1600 to 1745 m (5250-5725 feet), and slopes vary from gentle to moderately steep. Soils are sandy and well-drained. The substrate is often rocky, and rocks, downed wood and cryptobiotic crusts may cover most of the unvegetated surface. The canopy of <i>Juniperus osteosperma</i> is usually open, with between 20 and 55% cover. Shrubs are sparse and low in diversity but may include scattered individuals of <i>Artemisia tridentata, Gutierrezia sarothrae</i>, and <i>Opuntia polyacantha</i>. The exotic annual grass <i>Bromus tectorum</i> dominates the understory, although cover will vary from year to year depending on soil moisture levels in the early spring. Sometimes traces of the original native grasses will persist, including <i>Achnatherum hymenoides, Poa fendleriana, Pleuraphis jamesii</i>, and <i>Hesperostipa comata</i>. If forbs are present, they also tend to indicate disturbance.  Accession Code: urn:lsid:vegbank.org:commConcept:31719-{C81ECEA8-2AD6-4CD6-AD35-1C54907460B3} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 25-Aug-2005 to: ongoing
	status: accepted Community's Parent: Juniperus osteosperma Grassy Open Woodland Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.785427 NatureServe Explorer   Code: CEGL002817   Translated: Utah Juniper / Cheatgrass Ruderal Woodland   Scientific: Juniperus osteosperma / Bromus tectorum Ruderal Woodland (convergence) and Synonyms: (similar) Juniperus osteosperma / Bromus tectorum Ruderal Woodland