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

Soil Description, Plot SW-11

soil photo
Microsite:Well developed water track, middle of track, midway downslope; soil pit is area of Eriophorum angustifolium
Substrate:Organic-rich slope wash over clay-rich till.
Vegetation:Wet Salix planifolia ssp. pulchra, Eriophorum angustifolium s.l., Betula nana exilis, Sphagnum sp., low-shrub, sedge tundra
Classification:Pergelic Cryaquept
Notes:Permafrost at 55 cm.
Horizons:
Oe0-5 cm. Very dark reddish brown (5YR 2/2.5) coarse hemic peat; abrupt smooth boundary.
Oa5-10 cm. Very dark brown (7.5YR 2/3) silty clay sapric organic; weak medium platy structure due to compressed vegetation mat (mostly sedge leaves); nonsticky, non plastic (wet); many fine and very fine roots, common medium roots; abrupt smooth boundary.
Bw10-50+ cm. Dull yellowish brown (10YR 4/3) clay with prominent large and medium irregularly-shaped yellowish brown (10YR 5/5) mottles; moderate angular blocky structure; very sticky, very plastic (wet); <2% fine gravel; many fine and very fine roots.
Enlarge soil photo
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