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Populus balsamifera / Salix spp. - Alnus viridis Flooded & Rich Swamp Forest Group | NatureServe Biotics 2019
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Name: Populus balsamifera / Salix spp. - Alnus viridis Flooded & Rich Swamp Forest Group
Reference: NatureServe Biotics 2019
Description: This group includes glacially-fed and non-glacially-fed, low- and high-volume rivers and streams throughout the boreal and subboreal regions of Alaska. It occurs on active and inactive portions of the floodplain. The substrate is typically well-drained sand or cobble, although silts are found on higher terraces, distal floodplains, and in lower-energy systems. Frequent river channel migration, flooding, scour and other fluvial processes constitute the major disturbances in this type. Vegetation is variable, and may be dominated by short- or tall-statured <i>Populus balsamifera ssp. balsamifera, Populus balsamifera ssp. trichocarpa, Picea glauca, Salix</i> species, or <i>Alnus viridis</i> with mesic herbaceous species. Stands of full-statured <i>Populus balsamifera</i> often have an understory of tall willow, <i>Calamagrostis canadensis</i>, ferns and scattered forbs. 
Accession Code: urn:lsid:vegbank.org:commConcept:40222-{55B80E9A-BD3E-4B4A-8A08-9652676E0FDA}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 19-Jan-2016 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.860882 NatureServe ExplorerNatureServe Explorer logo
  Code: G548
  Scientific: Populus balsamifera / Salix spp. - Alnus viridis Flooded & Rich Swamp Forest Group