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Pinus contorta / Carex geyeri Forest |
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Name: Pinus contorta / Carex geyeri Forest
Reference:
Description: This is a vast cold and dry forest of the Yellowstone Plateau, common on the granitic substrates of central Idaho and in the lodgepole pine belt of Colorado. This forest association occurs on near-flat to rolling terrain (slopes range from 5-25%) on generally deeper soil than other <i>Pinus contorta</i> types. Elevation range is from 2130 to 2800 m (6993-9200 feet). It occupies vast rhyolitic flows in Yellowstone National Park. In general this type occupies the cool, dry aspects of relatively gentle terrain. Soils are well-drained silt loams, sandy clay loams or sandy loams, are moderately permeable and moderately deep. The ground cover is primarily litter and duff; exposed rock is generally less than 10%. This is a dry to submesic, high-elevation forest distinguished by dominance of <i>Pinus contorta</i> in the tree layer and by <i>Carex geyeri</i> in the herbaceous layer. <i>Pinus contorta</i> is the sole dominate tree and is successfully reproducing. If other conifers such as <i>Abies lasiocarpa</i> or <i>Pinus albicaulis</i> are present, they have less than 10% cover. Shrub cover is sparse throughout its range. The herbaceous layer is dominated by <i>Carex geyeri</i>. Other graminoids that may be present include <i>Danthonia intermedia, Calamagrostis rubescens, Elymus glaucus, Achnatherum nelsonii</i>, and <i>Poa wheeleri</i>. Forb cover is generally low (1-3%). This forest association is distinguished from similar types by the dominance of <i>Pinus contorta</i> (at least 10% cover, has a higher cover than that of other conifers if present, and is successfully reproducing). 
Accession Code: VB.CC.36552.CEGL000141
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 17-Nov-2014 to: 01-May-2019
     
  • status: accepted
  • This Community's Level: association
  • This Community's Children: [none]
Names:   Translated: Lodgepole Pine / Geyer's Sedge Forest
  Scientific: Pinus contorta / Carex geyeri Forest
  Code: CEGL000141
  UID: ELEMENT_GLOBAL.2.685294 NatureServe ExplorerNatureServe Explorer logo