Imnavait Creek Permanent Vegetation Plots

Walker DA, Lederer ND, and Walker MD. 1987. Permanent vegetation plots: Site factors, soil physical and chemical properties and plant species cover. Department of Energy R4D Program, Institute of Arctic and Alpine Research, University of Colorado, Boulder, CO.

Home // Vegetation communities and microsites // Summary of areas sampled // Environmental variables // Environmental information // Soil descriptions // Soil physical characteristics // Soil chemical characteristics // Species composition //
Appendices: Plot and soil photos // Equivalent vegetation units // Plot location map

Environmental Information, Plot SW-9

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Date sampled:8/4/84Tussock Thaw Depth:99 cm
Landform: SideslopeInter-Tussock Thaw Depth: 
Terrain Unit: TillBare Soil2%
Slope:Rock5%
Aspect:260°Soil Type Pergelic Cryorthent
Exposure (scalar)**:3.0Soil Moisture (scalar)**:3.0
Surface Form: Rocky terrain (undifferentiated till and bedrock)Low shrub cover:0%
Microsite: Dwarf shrub cover:50%
Microsite Cover: Average shrub height:3 cm
Site Moisture (scalar)**:3.5Tussock Graminoid Cover:0.0%
Estimated Snow Duration (scalar)**:2.0Nontussock Graminoid Cover:5.0%
Snow Depth (5/17/87)*:10 cmForb Cover:1%
Stability (scalar)**:1.5Lichen Cover:50%
Cryoturbation:0.3%Bryophyte Cover:15%
Microrelief Height:3 cm 
*Mean of five measurements
**Scalar values (Exposure, Site Moisture, Est. Snow Duration, Stability, and Soil Moisture) are linked to Table 3. Legend for the environmental variables used in the R4D vegetation studies