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Alnus rubra Temporarily Flooded Forest Alliance | Western Ecology Working Group of...
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Name: Alnus rubra Temporarily Flooded Forest Alliance Reference: Western Ecology Working Group of... Description: This forest alliance occurs on well-drained, moderate to steep mid to lower slopes and toeslopes from approximately 480-915 m in elevation. Sites are usually influenced by cold-air drainage. These Alnus rubra-dominated stands occur within the warmest extreme of the inland maritime climatic regime, generally being restricted to very moist and warm sites. This region is characterized by rugged topography, and a history of repeated natural mass-wasting and alluvial deposition is apparent in these steep V-shaped valleys. These mass-wasting disturbance events occur with sufficient frequency to maintain the early-seral Alnus rubra-dominated stands. These forest stands are typically the result of the rapid establishment and domination by Alnus rubra following stand-replacing disturbance (such as an intense wildfire or a landslide). The even-aged Alnus rubra forms a single-layered, dense deciduous forest canopy. Understory shrub associates include Acer glabrum, Rosa gymnocarpa, Rubus parviflorus, Symphoricarpos mollis, and Vaccinium membranaceum. Herbaceous species with a strong affinity to the community are Adiantum pedatum, Anemone piperi, Asarum caudatum, Athyrium filix-femina, Circaea alpina, Clintonia uniflora, Coptis occidentalis, Cornus canadensis, Gymnocarpium dryopteris, Polystichum munitum, Streptopus amplexifolius, and Tiarella trifoliata var. unifoliata (= Tiarella unifoliata).  Accession Code: VB.CC.20841.ALNUSRUBRATEMPO 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: Alnus rubra Temporarily Flooded Forest Alliance   Translated: Red Alder Temporarily Flooded Forest Alliance   UID: HIGHER_CLASS_UNIT.2.124656 NatureServe Explorer   Code: A.305