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-30A

Date sampled:	8/7/84	Tussock Thaw Depth:
Landform:	Hill crest	Inter-Tussock Thaw Depth:	70 cm
Terrain Unit:	Till	Bare Soil	0%
Slope:	1°	Rock	0%
Aspect:	90°	Soil Type	Pergelic Cryaquept
Exposure (scalar)**:	3.0	Soil Moisture (scalar)**:	5.0
Surface Form:	Non-sorted stone stripes with frost scars	Low shrub cover:	0%
Microsite:	Inter-frost scar	Dwarf shrub cover:	40%
Microsite Cover:	80%	Average shrub height:	8 cm
Site Moisture (scalar)**:	4.0	Tussock Graminoid Cover:	0.0%
Estimated Snow Duration (scalar)**:	3.0	Nontussock Graminoid Cover:	10.0%
Snow Depth (5/17/87)*:	32 cm	Forb Cover:	4%
Stability (scalar)**:	2.0	Lichen Cover:	45%
Cryoturbation:	0.3%	Bryophyte Cover:	40%
Microrelief Height:	12 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