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Quercus dumosa - Quercus pacifica Maritime Chaparral Alliance | NatureServe Biotics 2019
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Name: Quercus dumosa - Quercus pacifica Maritime Chaparral Alliance Reference: NatureServe Biotics 2019 Description: On the Channel Islands, <i>Quercus pacifica</i> forms stands within maritime chaparral with an open to continuous shrub layer. Shrub cover ranges from 7-75% and the herbaceous layer is sparse to intermittent. Dominant and characteristic shrubs include <i>Quercus pacifica</i> and those that are often present include <i>Artemisia californica, Baccharis pilularis</i>, and <i>Heteromeles arbutifolia</i>. Herbs often present include <i>Avena</i> spp. and <i>Bromus diandrus</i> and commonly associated nonvascular plants include lichens. The alliance occurs on Santa Catalina, Santa Cruz, and Santa Rosa Islands. On the mainland, stands of <i>Quercus dumosa</i> are primarily restricted to the fog belt of the southern California coast and northern Baja California, on sandy soils, up to 200 m in elevation, where it occurs on bluffs, headlands and hillsides, and is generally not more than 4 km from the ocean. This shrubland is characterized by an intermittent to continuous canopy of the diagnostic and dominant <i>Quercus dumosa</i>. Subdominant shrubs include <i>Adenostoma fasciculatum, Cneoridium dumosum, Eriogonum fasciculatum, Lotus scoparius, Malosma laurina, Rhus integrifolia, Salvia mellifera</i>, and <i>Xylococcus bicolor</i>. Shrubs are &lt;3 m, and the herbaceous layer is variable. The alliance is found on all slope positions with no aspect preference. Soils are derived primarily from sandstone and other sedimentary rock with soil textures being variable. Elevations range from approximately 30 to 430 m.  Accession Code: urn:lsid:vegbank.org:commConcept:39427-{6131F3EB-1AB2-4557-BE52-F42DEB41EC95} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 11-Aug-2016 to: ongoing
	status: provisional Community's Parent: Arctostaphylos tomentosa - Arctostaphylos nummularia - Ceanothus verrucosus Maritime Chaparral Group This Community's Level: Alliance This Community's Children: Show/Hide   Quercus pacifica / Grass Maritime Chaparral   Quercus pacifica - Heteromeles arbutifolia Maritime Chaparral   Quercus pacifica Maritime Chaparral		Names:   UID: ELEMENT_GLOBAL.2.964103   Code: A4242   Translated: Coastal Sage Scrub Oak - Channel Island Scrub Oak Maritime Chaparral Alliance   Common: Scrub Oak Maritime Chaparral   Scientific: Quercus dumosa - Quercus pacifica Maritime Chaparral Alliance