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-9

Plot Number:	HV-9
Location:	Edge of pond by gravel pit
Description by:	A. Gallant
Sample Date:	7/18/94
Sample Time:	10:45
Classification:
Parent Material:	Lacustrine organic deposits
Geomorphic Surface:	Featureless
Elevation:	950 ft
Slope:	0°
Aspect:	Flat
Vegetation:	Wet Carex aquatilis, Carex saxatilis, graminoid meadow
Horizon:	Description:
Oe	0-14 cm | Sample S-88
	Black (10 YR 2/1). Weak, medium, platy structure with 0% gravel. Nonsticky, nonplastic consistence (wet) with silky organic sand texture; abrupt, smooth boundary. 10% silt, 20% plant fibers after rubbing (sedge, roots, leaves)
A1	14-25 cm | Sample S-89
	Very dark gray (10 YR 3/1). Massive structure with 0% gravel. Slightly sticky, nonplastic consistence (wet). Loamy sand texture with clear, smooth boundary. Many very fine roots.
A2	25-47 cm | Sample S-90
	Black (5 YR 2.5/1). Weak, fine subangular blocky structure with 0% gravel. Slightly sticky, slightly plastic consistence (wet). Silty loam texture with many very fine roots. Permafrost boundary at 47 cm depth.