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CEGL000572 Populus tremuloides / Artemisia tridentata Forest
Type Concept Sentence: No Data Available
Common (Translated Scientific) Name: Quaking Aspen / Big Sagebrush Forest
Colloquial Name: No Data Available
Hierarchy Level: Association
Type Concept: This quaking aspen forest association is known from the montane areas of the western United States including Wyoming, California, Oregon, Utah, Nevada, and Idaho. It is found on seasonally saturated soils on lower to middle slopes. Elevations range from 1800 to 3050 m (5900-10,000 feet). This association is characterized by Populus tremuloides as the dominant species in the tall-shrub or tree canopy, with an average cover of 30%. The canopy varies from 10-30 m in height. Occasional emergent conifers such as Pinus monticola and/or Pinus jeffreyi may be present. Artemisia tridentata is the dominant shrub. Other shrubs may include Symphoricarpos rotundifolius and Rosa woodsii. Gayophytum diffusum is the most common forb, though it is present in only half of the stands and at less than 1% cover. Several graminoid species may be present at low cover values including Elymus elymoides, Bromus carinatus, and/or Bromus tectorum (exotic).
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: This association is characterized by Populus tremuloides as the dominant species in the tall-shrub or tree canopy, with an average cover of 30%. The canopy varies from 10-30 m in height. Occasional emergent conifers such as Pinus monticola and/or Pinus jeffreyi may be present. Artemisia tridentata is the dominant shrub with an average cover of 4.5%. Other shrubs may include Symphoricarpos rotundifolius (2.5% cover) and Rosa woodsii (0.5% cover). Gayophytum diffusum is the most common forb, though it is present in only half of the stands and at less than 1% cover. Several graminoid species may be present at low cover values including Elymus elymoides, Bromus carinatus, and/or Bromus tectorum (exotic).
Dynamics: No Data Available
Environmental Description: This association is found on seasonally saturated soils on lower to middle slopes. Elevations range from 1800 to 3050 m (5900-10,000 feet).
Geographic Range: This association is known from the montane areas of the western United States including Wyoming, California, Oregon, Utah, Nevada and Idaho.
Nations: US
States/Provinces: CA, ID, NV, OR, UT, WY
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.686139
Confidence Level: Low
Confidence Level Comments: No Data Available
Grank: G3G4
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 | CEGL000572 Quaking Aspen / Big Sagebrush Forest | CEGL000572 | 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 / Artemisia tridentata (Sawyer et al. 2009) [61.111.06]
= Populus tremuloides / Artemisia tridentata Community Type (Youngblood and Mueggler 1981)
= Populus tremuloides/Artemisia tridentata Forest [Provisional] (Keeler-Wolf et al. 2012)
= Quaking Aspen / Big Sagebrush Forest (Populus tremuloides / Artemisia tridentata Forest) (Bell et al. 2009)
= Populus tremuloides / Artemisia tridentata Community Type (Youngblood and Mueggler 1981)
= Populus tremuloides/Artemisia tridentata Forest [Provisional] (Keeler-Wolf et al. 2012)
= Quaking Aspen / Big Sagebrush Forest (Populus tremuloides / Artemisia tridentata Forest) (Bell et al. 2009)
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- Western Ecology Working Group of NatureServe. No date. International Ecological Classification Standard: International Vegetation Classification. Terrestrial Vegetation. NatureServe, Boulder, CO.
- Youngblood, A. P., and W. F. Mueggler. 1981. Aspen community types on the Bridger-Teton National Forest in western Wyoming. Research Paper INT-272. USDA Forest Service, Intermountain Forest and Range Experiment Station, Ogden, UT. 34 pp.