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Microbial Processes > Long-Term Soil Productivity (LTSP) Study > Forest Locations > Priest River LTSP

Site/Soil Description:

  • Located on a bench adjoining the Priest River.
  • Receives about 83.8 cm of ppt annually.
  • Mean annual temperature is 6.6°C.
  • Habitat type was classified as Tsuga heterophylla/Clintonia uniflora.
  • Soil was classified as Ochreptic Fragixeralf - Mission series. Silt loam surface 28-38 cm thick, is silty clay loam derived from lacustrine sediments. Soil is underlain with 60-100 cm of gravelly to very gravelly sands and sandy loams deposited by alluvial processes.
  • Undisturbed:
    Substrate OM (Mg ha−1) C (Mg ha−1) N (kg ha−1)
    Forest floor 079 46 884
    Soil wood 70 29 103
    Mineral (0-10 cm) 115 39 3110
    Mineral (10-30 cm) 68 20 556

Habitat type: Abies grandis/Clintonia uniflora complex with a silt loam, medial, frigid Orchreptic Fragixeralf soilHabitat type: Abies grandis/Clintonia uniflora complex with a silt loam, medial, frigid Orchreptic Fragixeralf soil
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Looking down on Priest River Experimental Forest from a nearby mountainPriest River Experimental Forest
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