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CEGL008669 Pinus contorta var. murrayana - Populus tremuloides / Artemisia tridentata / Poa pratensis Forest
Type Concept Sentence: No Data Available
Common (Translated Scientific) Name: Sierra Lodgepole Pine - Quaking Aspen / Big Sagebrush / Kentucky Bluegrass Forest
Colloquial Name: No Data Available
Hierarchy Level: Association
Type Concept: This forest association is currently only known from Yosemite National Park in California, and the following description is based on occurrences there. Additional information will be added as it becomes available. This forest grows between 2130 and 2740 m (7000-9000 feet) of elevation on north and east aspects. Stands are found in valley bottoms or along streams, with soils that are seasonally or permanently flooded. Soils are sands to silty loams derived from granite. This forest is characterized by a fairly continuous canopy of Populus tremuloides and Pinus contorta between 15-30 m of height. Individuals of Pinus contorta are sometimes emergent to 50 m. Occasionally Pinus jeffreyi may also be present as trees or saplings. The shrub layer is open, with Artemisia tridentata a diagnostic species. Other important shrubs may include Rosa woodsii and/or Symphoricarpos rotundifolius. The ground layer is dominated by graminoids. Most stands contain Poa pratensis and Bromus carinatus. Other graminoids which may be present at low cover values include Bromus tectorum (exotic), Elymus elymoides, and/or Leymus cinereus. The herbaceous layer is sparse but relatively diverse. Wyethia mollis, Allium bisceptrum, Calochortus superbus, Iris missouriensis, and/or Maianthemum stellatum all occur.
Diagnostic Characteristics: No Data Available
Rationale for Nominal Species or Physiognomic Features: No Data Available
Classification Comments: A similar association has been defined for the Columbia Plateau and northern Great Basin, ~Pinus contorta var. murrayana - Populus tremuloides / Spiraea douglasii Swamp Forest (CEGL000157)$$.
Similar NVC Types: No Data Available
note: No Data Available
Physiognomy and Structure: No Data Available
Floristics: No Data Available
Dynamics: No Data Available
Environmental Description: No Data Available
Geographic Range: This association is only known from the vicinity of Yosemite National Park. Information about its global range is not available without additional inventory. A similar association, ~Pinus contorta var. murrayana - Populus tremuloides / Spiraea douglasii Swamp Forest (CEGL000157)$$, has been defined for the northeastern Sierra, Modoc Plateau, and Blue Mountains of Oregon.
Nations: US
States/Provinces: CA
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.688595
Confidence Level: Low
Confidence Level Comments: No Data Available
Grank: GNR
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.Nd Vancouverian Forest & Woodland Division | D192 | 1.B.2.Nd |
| Macrogroup | 1.B.2.Nd.4 California Red Fir - Mountain Hemlock - Sierra Lodgepole Pine Forest Macrogroup | M025 | 1.B.2.Nd.4 |
| Group | 1.B.2.Nd.4.b Sierra Lodgepole Pine Woodland Group | G243 | 1.B.2.Nd.4.b |
| Alliance | A3621 Sierra Lodgepole Pine Subalpine Forest & Woodland Alliance | A3621 | 1.B.2.Nd.4.b |
| Association | CEGL008669 Sierra Lodgepole Pine - Quaking Aspen / Big Sagebrush / Kentucky Bluegrass Forest | CEGL008669 | 1.B.2.Nd.4.b |
Concept Lineage: No Data Available
Predecessors: No Data Available
Obsolete Names: No Data Available
Obsolete Parents: No Data Available
Synonomy: = Pinus contorta var. murrayana - Populus tremuloides / Artemisia tridentata / Poa pratensis Forest (Keeler-Wolf 2002)
= Populus tremuloides - Pinus contorta / Artemisia tridentata / Poa pratensis (Sawyer et al. 2009) [61.111.11]
= Populus tremuloides-Pinus contorta/Artemisia tridentata/Poa pratensis Forest [Provisional] (Keeler-Wolf et al. 2012)
= Populus tremuloides - Pinus contorta / Artemisia tridentata / Poa pratensis (Sawyer et al. 2009) [61.111.11]
= Populus tremuloides-Pinus contorta/Artemisia tridentata/Poa pratensis Forest [Provisional] (Keeler-Wolf et al. 2012)
- Keeler-Wolf, T. 2002. Classification of the vegetation of Yosemite National Park and surrounding environs in Tuolumne, Mariposa, Madera and Mono counties, California. NatureServe in cooperation with the California Native Plant Society and California Natural Heritage Program, Wildlife and Habitat Data Analysis Branch, California Department of Fish and Game, Sacramento, CA. August 2002.
- Keeler-Wolf, T., M. Schindel, S. San, P. Moore, and D. Hickson. 2003a. Classification of the vegetation of Yosemite National Park and surrounding environs in Tuolumne, Mariposa, Madera and Mono counties, California. Unpublished report by NatureServe in cooperation with the California Native Plant Society and California Department of Fish and Game, Wildlife and Habitat Data Analysis Branch, Sacramento, CA.
- Keeler-Wolf, T., P. E. Moore, E. T. Reyes, J. M. Menke, D. N. Johnson, and D. L. Karavidas. 2012. Yosemite National Park vegetation classification and mapping project report. Natural Resource Technical Report NPS/YOSE/NRTR--2012/598. National Park Service, Fort Collins, CO.
- Potter, D. A. 1994. Guide to forested communities of the upper montane in the central and southern Sierra Nevada. Technical Publication R5-ECOL-TP-003. USDA Forest Service, Pacific Southwest Region, San Francisco, CA.
- Sawyer, J. O., T. Keeler-Wolf, and J. Evens. 2009. A manual of California vegetation. Second edition. California Native Plant Society, Sacramento CA. 1300 pp.
- Western Ecology Working Group of NatureServe. No date. International Ecological Classification Standard: International Vegetation Classification. Terrestrial Vegetation. NatureServe, Boulder, CO.