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-72

Date sampled:	9/1/85	Tussock Thaw Depth:
Landform:	Sideslope	Inter-Tussock Thaw Depth:
Terrain Unit:	Bedrock	Bare Soil	0%
Slope:	30°	Rock	50%
Aspect:	350°	Soil Type	Ranker soil (Pergelic Cryorthent)
Exposure (scalar)**:	1.5	Soil Moisture (scalar)**:	0.0
Surface Form:	Hummocky terrain including turf hummocks	Low shrub cover:	0%
Microsite:		Dwarf shrub cover:	30%
Microsite Cover:		Average shrub height:	0 cm
Site Moisture (scalar)**:	4.0	Tussock Graminoid Cover:	0.0%
Estimated Snow Duration (scalar)**:	7.3	Nontussock Graminoid Cover:	0.7%
Snow Depth (5/17/87)*:	122 cm	Forb Cover:	2%
Stability (scalar)**:	1.5	Lichen Cover:	10%
Cryoturbation:	0	Bryophyte Cover:	60%
Microrelief Height:	25 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