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Populus tremuloides Alaskan Boreal Dry Forest Group | NatureServe Biotics 2019
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Name: Populus tremuloides Alaskan Boreal Dry Forest Group
Reference: NatureServe Biotics 2019
Description: This group occurs commonly on moderately steep to very steep, south-facing slopes and windswept bluffs throughout the boreal and boreal transition regions of Alaska. Generally, the substrate is steep, unstable, dry mineral soil. This group is common above major rivers and is often associated with river bluffs near treeline. Soils are typically well-drained to excessively well-drained and develop on glacial, loess, or fluvial deposits or residual material. Soils are often unstable and rocky; outcrops are common. The group is a mosaic of open forests or woodlands, low shrub-dominated patches, or dry meadows. At increasing elevation, trees become less important, and at subalpine or low alpine locations, shrubs are the dominant lifeform. Tree patches are dominated by <i>Populus tremuloides</i>, but <i>Picea glauca</i> may also be present. Patches of low-shrub and dry herbaceous communities are interspersed within the aspen forest, where it occurs. Common shrubs include <i>Artemisia frigida, Artemisia alaskana, Juniperus communis</i>, and <i>Arctostaphylos uva-ursi</i>. Important grasses include <i>Pseudoroegneria spicata, Bromus inermis var. pumpellianus, Calamagrostis purpurascens, Festuca altaica</i>, and <i>Poa</i> spp. 
Accession Code: urn:lsid:vegbank.org:commConcept:40093-{8B042B24-B1CE-439E-AD34-702E9C9AD131}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 19-Jan-2016 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.860848 NatureServe ExplorerNatureServe Explorer logo
  Code: G349
  Scientific: Populus tremuloides Alaskan Boreal Dry Forest Group