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CEGL000583 Populus tremuloides / Corylus cornuta Forest

Type Concept Sentence: No Data Available


Common (Translated Scientific) Name: Quaking Aspen / Beaked Hazelnut Forest

Colloquial Name: No Data Available

Hierarchy Level:  Association

Type Concept: This upland forest community is found on gently sloping or rolling topography in the northwestern Great Plains and the Rocky Mountain and Black Hills ranges of the United States and southern Canada. Stands may be found on a variety of aspects, often more northerly. The soils are well-developed and deep. They can be derived from a variety of sources, including limestone, quartzite, schist, Tertiary volcanics, and glacial till. This deciduous forest community can have a moderately closed to closed canopy. Populus tremuloides is the dominant tree, and Betula papyrifera can be codominant. Scattered Quercus macrocarpa, Fraxinus pennsylvanica and, in the Black Hills, Picea glauca or Pinus ponderosa can also be found. There is a conspicuous understory of shrubs and forbs; few graminoids achieve prominence. The shrub layer is 1-2 m tall and dominated by Corylus cornuta. Other species found with it include Amelanchier alnifolia, Mahonia repens, Prunus virginiana, Symphoricarpos spp., and Rubus idaeus. In the western part of its range Spiraea betulifolia is also common. The herbaceous layer has Aralia nudicaulis, Lathyrus ochroleucus, Maianthemum canadense, Galium triflorum, Maianthemum stellatum, Viola spp., and Sanicula marilandica. In the eastern part of its range this community can have significant amounts of Carex pensylvanica.

Diagnostic Characteristics: No Data Available

Rationale for Nominal Species or Physiognomic Features: No Data Available

Classification Comments: This type appears to be somewhat drier than ~Populus tremuloides / Prunus virginiana Forest (CEGL000596)$$ [see Marriott and Faber-Langendoen (2000)].

Similar NVC Types: No Data Available
note: No Data Available

Physiognomy and Structure: No Data Available

Floristics: This deciduous forest community can have a moderately closed to closed canopy. Basal areas of 28-52 m2/ha have been reported (Potter and Moir 1961, Hoffman and Alexander 1987). Populus tremuloides is the dominant tree. Betula papyrifera is very common and can be codominant. Scattered Quercus macrocarpa, Fraxinus pennsylvanica and, in the Black Hills, Picea glauca or Pinus ponderosa can be found in this community. There is a conspicuous understory of shrubs and forbs; few graminoids achieve prominence. The shrub layer is 1-2 m tall and dominated by Corylus cornuta. Other species found with it are Amelanchier alnifolia, Mahonia repens, Prunus virginiana, Symphoricarpos spp., and Rubus idaeus. In the western part of its range Spiraea betulifolia is also common. The herbaceous layer has Aralia nudicaulis, Lathyrus ochroleucus, Maianthemum canadense, Galium triflorum, Maianthemum stellatum, Viola spp., and Sanicula marilandica. In the eastern part of its range this community can have significant amounts of Carex pensylvanica.

Dynamics:  This community can become established after disturbance, usually a fire. It can persist for decades to centuries on suitable sites (Potter and Moir 1961, Hoffman and Alexander 1987).

Environmental Description:  This community is usually found on gently sloping or rolling topography. In the Black Hills, it is typically on northeast- to northwest-facing slopes (Hoffman and Alexander 1987). Farther west, it may also be found on slopes with other aspects. The soils are well-developed and deep (Johnston 1987). They can be derived from a variety of sources, including limestone, quartzite, schist, Tertiary volcanics, and glacial till (Potter and Moir 1961, Johnston 1987).

Geographic Range: This upland forest community is found on gently sloping or rolling topography in the northwestern Great Plains and the Rocky Mountain and Black Hills ranges of the United States and southern Canada. It extends from Colorado and South Dakota north to Saskatchewan.

Nations: CA,US

States/Provinces:  CO, ND, SD, SK, WY




Confidence Level: Low

Confidence Level Comments: No Data Available

Grank: G3

Greasons: No Data Available


Concept Lineage: This may be one of several ponderosa pine types that this type could be merged into, but original type concept was not clear to begin with so only this one is listed.

Predecessors: No Data Available

Obsolete Names: No Data Available

Obsolete Parents: No Data Available

Synonomy: = Populus tremuloides / Corylus cornuta Forest (Faber-Langendoen 2001)
= Populus tremuloides / Corylus cornuta Forest (Carsey et al. 2003a)
= Populus tremuloides / Corylus cornuta Habitat Type (Hoffman and Alexander 1987)
= Populus tremuloides / Corylus cornuta Plant Association (Johnston 1987)
= Scully''s Woods - Burned and Boundary Lake - Burned (Potter and Moir 1961)

Concept Author(s): J. Drake

Author of Description: J. Drake

Acknowledgements: No Data Available

Version Date: 11-02-95

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