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A.753 | EcoArt 2002
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Name: A.753 Reference: EcoArt 2002 Description: These communities occur at sea level along the northern Pacific Coast in semi-stabilized dune habitats. The climate is cool and maritime with many cloudy days and steady onshore winds. Prevailing winds are from the north and northwest during the summer and switch to southwest during frequent winter storms. Gale force winds are common in winter and move abundant sand. Windborn salt spray, abrasion by sand particles, and unstable substrates are typical stresses for vascular plants. These are typically seral communities, which are invaded by coniferous forests as vegetation stabilizes the site. These communities are dominated by a shrub layer of ~Gaultheria shallon$, which often forms dense thickets in association with other shrubs, including ~Morella californica (= Myrica californica), Salix hookeriana, Vaccinium ovatum, Ledum X columbianum, Arctostaphylos uva-ursi, Arctostaphylos columbiana$, or ~Lonicera involucrata$. Young needle-leaved evergreen trees, usually ~Pinus contorta$ or ~Picea sitchensis$, sometimes compose part of the shrub layer or form a sparse emergent tree layer. In young stands, the herbaceous layer often contains persistent members of early seral dune communities, including ~Anaphalis margaritacea, Poa macrantha$, and ~Fragaria chiloensis$. Mature stands usually have a depauperate herbaceous understory with scattered ~Pteridium aquilinum$. Adjacent vegetation is usually pioneering ~Abronia latifolia - Leymus mollis$ or ~Ammophila arenaria$ (an invasive introduced species) herbaceous communities on seaward dune habitats and ~Pinus contorta$ forests on the landward margin.  Accession Code: VB.CC.2385.A753 Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: 17-Mar-2005
	status: accepted Community's Parent: III.A.2.N.b This Community's Level: Alliance This Community's Children: [none]		Names:   Scientific: GAULTHERIA SHALLON SHRUBLAND ALLIANCE   Common: Salal Shrubland Alliance   Code: A.753 (convergence) and Synonyms: (undetermined) Gaultheria shallon Shrubland Alliance