Happy Valley Permanent Vegetation Plots

Walker, D.A., Auerbach, N.A., Nettleton, T.K., Gallant, A., Murphy, S.M. 1997. Happy Valley Permanent Vegetation Plots: Site factors, physical and chemical soil properties, plant species cover, photographs, soil descriptions, and ordination. Arctic System Science Flux Study, Institute of Arctic and Alpine Research, University of Colorado, Boulder, CO.

Home // Preliminary vegetation classification // Vegetation communities and sites // Legend for environmental variables // Environmental data // Relevé size, percent cover // Soils data // Relevé species data //
Appendices: Field descriptions of soils // Plot and soil photos // Plot location map

Field Description of Soil, Plot HV-55

Plot Number:HV-55
Location:Raised hummock area .25 km west of small lake, 1 km west of Haul road, 1.5 km northwest of Happy Valley camp
Description by:A. Gallant
Sample Date:7/22/94
Sample Time:
Classification:
Parent Material:Basin colluvium and organic deposits
Geomorphic Surface:Wetland hummocks
Elevation:1050 ft
Slope:
Aspect:Flat
Vegetation:Wet Andromeda polifolia, Betula nana, Carex aquatilis, Sphagnum imbricatum, graminoid, dwarf-shrub, moss tundra
Horizon:Description:
Oi10-9 cm | Sample S-234
Dark brown (7.5 YR 3/4). 0% gravel; abrupt, smooth boundary. composed mainly of Sphagnum moss in a loose mat. Many very fine and fine roots; medium and coarse roots are common.
 
Oi29-16 cm | Sample S-235
Very dark brown (7.5 YR 2/4). 0% gravel; abrupt, smooth boundary. Composed mainly of Sphagnum moss. Somewhat compressed. Many fine and very fine roots, coarse roots common.
 
Oi316-30+ cm | Sample S-236
Dark yellow-brown (10 YR 3.5/6). 0% gravel. Composed mainly of Sphagnum moss and sedge. Many very fine and fine roots. Coarse roots common.
 
Permafrost30 cm |