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Picea mariana - Abies balsamea Shrubland Alliance | Eastern Ecology Working Group of...
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Name: Picea mariana - Abies balsamea Shrubland Alliance Reference: Eastern Ecology Working Group of... Description: This alliance includes shrubby alpine krummholz dominated by stunted spruce and fir (Abies balsamea, Picea mariana, Picea rubens). Typically these communities occur at high elevations, above the forest zone, where cool temperatures and high winds prevail. Snow tends to accumulate in and around the stunted trees creating a protected environment. Other species associated with this alliance include Betula papyrifera var. cordifolia, Sorbus americana, Sibbaldiopsis tridentata, and mosses such as Pleurozium schreberi and Dicranum scoparium. Local names for communities in this alliance include "alpine krummholz" and "subalpine heath". Communities of this alliance are confined to alpine areas of New Hampshire, Vermont, Maine and New York. The alliance probably extends into the eastern Canadian provinces.  Accession Code: VB.CC.24357.PICEAMARIANAABI 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: Picea mariana - Abies balsamea Shrubland Alliance   Translated: Black Spruce - Balsam Fir Shrubland Alliance   UID: HIGHER_CLASS_UNIT.2.126213 NatureServe Explorer   Code: A.812