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-54

Plot Number:HV-54
Location:.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:Featureless
Elevation:1050 ft
Slope:
Aspect:Flat
Vegetation:Wet Carex chordorrhiza, Carex rotundata, Sphagnum orientale, graminoid tundra
Horizon:Description:
Oi10-3 cm | Sample S-230
Black (10 YR 2/1). 0% gravel; abrupt, smooth boundary. Composed mainly of Sphagnum moss in a loose mat. Approximately 60% recognizable fiber after rubbing.
 
Oi23-15 cm | Sample S-231
Dark brown (10 YR 3/3). 0% gravel; abrupt, smooth boundary. Composed mainly of sedge roots and leaves in a compressed mat. Many fine and very fine roots. Approximately 20% recognizable fiber after rubbing.
 
Oe15-24 cm | Sample S-232
Very dark brown (10 YR 2/2). 0% gravel; abrupt, smooth boundary. Many very fine roots. Compressed mat of sedge roots and leaves.
 
Oa/A24-32+ cm | Sample S-233
Very dark brown (10 YR 2/2). 0% gravel. About 10% recognizable fiber after rubbing.
 
Permafrost32 cm |