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Vaccinium uliginosum Saturated Dwarf-shrubland Alliance | Western Ecology Working Group of...
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Name: Vaccinium uliginosum Saturated Dwarf-shrubland Alliance Reference: Western Ecology Working Group of... Description: This vegetation occurs in saturated sites in coastal and montane areas in the Pacific Northwest. Elevations range from sea level to 1770 m. The climate is maritime-influenced. Stands are never extensive where it occurs, and it was probably always a rare component of the vegetation. Sites include saturated depressions in deflation plains in coastal dune complexes, on the margins of lakes and streams, in swales, near seeps, and in basins underlain by hardpan (often iron cemented), which cause a perched water table. These sites are flooded during the winter, then dry out by midsummer, but still have a shallow water table. Winter flooding and summer droughts are critical for this community. Soils are shallow to deep, relatively cold and poorly drained. Soil texture ranges from sand in the dune stands to finer-textured, organic muck. Vegetation included in this alliance occurs in saturated areas in coastal and montane areas in Oregon, California, and likely in Washington. Stands have a moderately dense to dense woody layer dominated by the cold-deciduous dwarf-shrub Vaccinium uliginosum. Other shrubs and dwarf-shrubs include Salix geyeriana, Salix hookeriana, Salix lemmonii, Spiraea splendens (= Spiraea densiflora), and Spiraea douglasii. The herbaceous layer is also moderately dense to dense and is dominated by the perennial graminoids Carex aquatilis var. dives or Deschampsia caespitosa. Other common graminoids are Carex obnupta and Agrostis spp. Forb cover is sparse and may include Sanguisorba menziesii, Argentina egedii or Veronica scutellata. Ferns such as Pteridium aquilinum may be present. Moss species such as Sphagnum mendocinum may be present to moderately dense. Scattered Pinus contorta or Picea sitchensis trees (<10% cover) may also be present. Adjacent vegetation includes montane conifer forests and wetlands dominated by other shrub or herbaceous species.  Accession Code: VB.CC.22235.VACCINIUMULIGIN Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: 01-May-2019
	status: accepted This Community's Level: Alliance This Community's Children: [none]		Names:   Scientific: Vaccinium uliginosum Saturated Dwarf-shrubland Alliance   Translated: Bog Blueberry Saturated Dwarf-shrubland Alliance   UID: HIGHER_CLASS_UNIT.2.125253 NatureServe Explorer   Code: A.1123