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-39

Plot Number:	HV-39
Location:	Water track transect about 500 m southwest of Happy Valley camp
Description by:	A. Gallant
Sample Date:	7/27/94
Sample Time:
Classification:
Parent Material:	Hillslope colluvium
Geomorphic Surface:	Featureless
Elevation:	1050 ft
Slope:	1°-2°
Aspect:	E
Vegetation:	Moist Betula nana, Eriophorum vaginatum, Sphagnum sp., tussock-graminoid, dwarf-shrub tundra
Horizon:	Description:
Oi	0-11 cm | Sample S-189
	Dark yellow-brown (10 YR 3.5/6). 0% gravel; abrupt, smooth boundary. top 2 cm are live material. Composed mainly of a loose mat of Sphagnum. Very fine roots common.
Oe	11-26 cm | Sample S-190
	Very dark brown (10 YR 2/2). 0% gravel; abrupt, smooth boundary. Mainly composed of sedge parts. Also roots and leaves. Many very fine roots, fine roots are common.
Permafrost	25 cm |
Bw	26+ cm | Sample S-191
	Dark gray (10 YR 4/1). 0% gravel; sticky, very plastic consistence (wet). Clay loam texture. Many large, strong brown mottles (7.5 YR 4/6).