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Abies grandis / Spiraea betulifolia Forest | Western Ecology Working Group of...
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Name: Abies grandis / Spiraea betulifolia Forest
Reference: Western Ecology Working Group of...
Description: This forest association occurs within the maritime-influenced climatic region of the northern Rocky Mountains from northeastern Oregon and Idaho. Ecoregional sections primarily include the Blue Mountains, Idaho Batholith and possibly the Bitterroot Mountains. The association represents the warmest and driest extreme for the occurrence of <i>Abies grandis</i>. Stands occur on gentle to moderately steep, south- to west-facing bench, lower- and upper-slope positions at 975-1950 m (3200-6400 feet) elevation. Soil parent materials are basalt, loess-ash, and (more rarely) granite. <i>Pseudotsuga menziesii</i> and <i>Pinus ponderosa</i> are often dominant in early- and mid-seral stands. These fire-resistant species persist in the forest overstory and provide important large diameter stem structure in mid- and late-seral stands. Stands are characterized by an open, low-shrub sward dominated by <i>Spiraea betulifolia</i>. <i>Symphoricarpos albus</i> is usually well-represented. <i>Calamagrostis rubescens</i> is often well-represented to abundant. <i>Arnica cordifolia, Chimaphila umbellata, Fragaria vesca</i>, and <i>Osmorhiza berteroi (= Osmorhiza chilensis)</i> are commonly associated herbaceous species. Historic disturbance regimes in these stands were primarily frequent low- to moderate-intensity fire. 
Accession Code: VB.CC.34220.CEGL000281
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:   UID: ELEMENT_GLOBAL.2.683833 NatureServe ExplorerNatureServe Explorer logo
  Translated: Grand Fir / Shinyleaf Meadowsweet Forest
  Scientific: Abies grandis / Spiraea betulifolia Forest
  Code: CEGL000281