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CEGL000604 Populus tremuloides / Salix scouleriana Forest
Type Concept Sentence: No Data Available
Common (Translated Scientific) Name: Quaking Aspen / Scouler''s Willow Forest
Colloquial Name: No Data Available
Hierarchy Level: Association
Type Concept: This common deciduous forest occurs on midslopes on low to moderately steep north-, east- and south-facing aspects. Elevation ranges from 1770 to 2338 m (5800-7670 feet). Soils are variable. The primary distinguishing feature of this association is the abundance of Salix scouleriana comprising the tall-shrub layer under an exclusive canopy of Populus tremuloides. The shrub layer can be variable with high abundance of Amelanchier alnifolia or Prunus virginiana mixed in with the Salix scouleriana. Low shrubs are frequently present such as Symphoricarpos oreophilus, Sorbus scopulina, and Rosa woodsii. The herbaceous layer is also diverse with forbs dominating over graminoids. Common forbs include Osmorhiza berteroi, Thalictrum fendleri, Ligusticum filicinum, Fragaria virginiana, Geranium viscosissimum, Delphinium x occidentale, and others. Graminoids can be numerous but not abundant, with such species as Elymus glaucus, Bromus carinatus, and Poa pratensis.
Diagnostic Characteristics: No Data Available
Rationale for Nominal Species or Physiognomic Features: No Data Available
Classification Comments: No Data Available
Similar NVC Types: No Data Available
note: No Data Available
Physiognomy and Structure: No Data Available
Floristics: The primary distinguishing feature of this association is the abundance of Salix scouleriana comprising the tall-shrub layer under an exclusive canopy of Populus tremuloides. The shrub layer can be variable with high abundance of Amelanchier alnifolia or Prunus virginiana mixed in with the Salix scouleriana. Low shrubs are frequently present such as Symphoricarpos oreophilus, Sorbus scopulina, and Rosa woodsii. The herbaceous layer is also diverse with forbs dominating over graminoids. Common forbs include Osmorhiza berteroi (= Osmorhiza chilensis), Thalictrum fendleri, Ligusticum filicinum, Fragaria virginiana, Geranium viscosissimum, Delphinium x occidentale, and others. Graminoids can be numerous but not abundant, with such species as Elymus glaucus, Bromus carinatus, and Poa pratensis.
Dynamics: No Data Available
Environmental Description: This common deciduous forest occurs on midslopes on low to moderately steep north-, east- and south-facing aspects. Elevation ranges from 1800 to 2338 m (5800-7670 feet). Soils are variable.
Geographic Range: This association occurs in the mountains of eastern Oregon, Nevada, Utah, Idaho, Wyoming and Colorado.
Nations: US
States/Provinces: CO, ID, NV, OR, UT, WY
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.689782
Confidence Level: Moderate
Confidence Level Comments: No Data Available
Grank: G4
Greasons: No Data Available
| Type | Name | Database Code | Classification Code |
|---|---|---|---|
| Class | 1 Forest & Woodland Class | C01 | 1 |
| Subclass | 1.B Temperate & Boreal Forest & Woodland Subclass | S15 | 1.B |
| Formation | 1.B.2 Cool Temperate Forest & Woodland Formation | F008 | 1.B.2 |
| Division | 1.B.2.Nb Rocky Mountain Forest & Woodland Division | D194 | 1.B.2.Nb |
| Macrogroup | 1.B.2.Nb.5 Subalpine Fir - Engelmann Spruce - Whitebark Pine Rocky Mountain Forest Macrogroup | M020 | 1.B.2.Nb.5 |
| Group | 1.B.2.Nb.5.d Quaking Aspen Rocky Mountain Forest & Woodland Group | G222 | 1.B.2.Nb.5.d |
| Alliance | A2036 Quaking Aspen Rocky Mountain Forest & Woodland Alliance | A2036 | 1.B.2.Nb.5.d |
| Association | CEGL000604 Quaking Aspen / Scouler''s Willow Forest | CEGL000604 | 1.B.2.Nb.5.d |
Concept Lineage: No Data Available
Predecessors: No Data Available
Obsolete Names: No Data Available
Obsolete Parents: No Data Available
Synonomy: = Populus tremuloides / Salix scouleriana Community Type (Mueggler 1988)
- Bourgeron, P. S., and L. D. Engelking, editors. 1994. A preliminary vegetation classification of the western United States. Unpublished report. The Nature Conservancy, Western Heritage Task Force, Boulder, CO. 175 pp. plus appendix.
- Cogan, D., K. Varga, and G. Kittel. 2005. USGS-NPS Vegetation Mapping Program: Grand Teton National Park and John D. Rockefeller, Jr. Memorial Parkway. Final Project Report 2002-2005 Vegetation Mapping Project. Technical Memorandum 8260-06-02. USDI Bureau of Reclamation, Denver, CO. 87 pp. plus Appendixes A-F.
- Evenden, A. G. 1990. Ecology and distribution of riparian vegetation in the Trout Creek Mountains of southeastern Oregon. Ph.D. dissertation, Oregon State University, Corvallis. 156 pp.
- Kagan, J. S., J. A. Christy, M. P. Murray, and J. A. Titus. 2004. Classification of native vegetation of Oregon. January 2004. Oregon Natural Heritage Information Center, Portland. 52 pp.
- Manning, M. E., and W. G. Padgett. 1991. Riparian community type classification for the Humboldt and Toiyabe national forests, Nevada and eastern California. Unpublished draft report prepared for USDA Forest Service, Intermountain Region Ecology and Classification Program, Ogden, UT. 490 pp.
- Mueggler, W. F. 1988. Aspen community types of the Intermountain Region. General Technical Report INT-250. USDA Forest Service, Intermountain Research Station, Ogden, UT. 135 pp.
- Salas, D. E., J. Stevens, K. Schulz, M. Artmann, B. Friesen, S. Blauer, E. W. Schweiger, and A. Valdez. 2010b. Vegetation classification and mapping project report: Great Sand Dunes National Park and Preserve. Natural Resource Report NPS/ROMN/NRR--2010/179. National Park Service, Fort Collins, CO.
- Titus, J. H., M. Kerr, E. Crowe, and B. Kovalchik. 1998. Riparian zones of eastern Oregon. Oregon Natural Heritage Program, Portland.
- Western Ecology Working Group of NatureServe. No date. International Ecological Classification Standard: International Vegetation Classification. Terrestrial Vegetation. NatureServe, Boulder, CO.