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-18

Plot Number:	HV-18
Location:	Floodplain south of access road
Description by:	A. Gallant
Sample Date:	7/19/94
Sample Time:
Classification:
Parent Material:	Stabilized alluvium sand
Geomorphic Surface:	Irregular microrelief
Elevation:	950 ft
Slope:	0°
Aspect:	Flat
Vegetation:	Moist Equisetum arvense, Hedysarum alpinum, Salix alaxensis, Salix lanata, low-shrub tundra
Horizon:	Description:
Oi	0-1 cm | No sample
	Layer too thin to sample, composed of moss (Campylium stellatum)
Oe	1-5 cm | No sample
	Very dark gray-brown to brown (10 YR 2.5/2). Abrupt, smooth boundary; primarily moss. Layer too thin to sample. Deposition of 1 cm thick layer of silt at the top of this layer (from flood) (10 YR 3/1).
Bw	5-68 cm | Sample S-112
	(10 YR 3/1). Massive structure with 0% gravel. Slightly sticky, slightly plastic consistence (wet); sandy loam texture with many very fine to fine roots.
Permafrost	68 cm | No sample