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-13

Plot Number:	HV-13
Location:	Bluff overlooking Sag. river; 1/3 mile north of access road
Description by:	A. Gallant
Sample Date:	7/19/94
Sample Time:
Classification:
Parent Material:	Colluvium and glacial till
Geomorphic Surface:	Gelifluction lobes
Elevation:	1000 ft
Slope:	30°
Aspect:	E
Vegetation:	Moist Arctous rubra, Hylocomium splendens, Lupinus arcticus, Salix glauca, Salix lanata, forb, low-shrub tundra
Horizon:	Description:
Oi	0-2 cm | No sample
Oe	2-8 cm | Sample S-100
	Black (10 YR 2/1)
Oa/B	8-22 cm | Samples S-99, S-101, S-102
Oa
	Black (10 YR 2/1). Weak, fine, subangular blocky structure with 50% gravel. Nonsticky, nonplastic consistence (wet). Silty texture with clear, wavy boundaries. Many fine roots, common very fine roots, few medium roots.
B
	Very dark gray-brown (10 YR 3/2). Weak, fine, subangular blocky structure with 50% gravel. Slightly sticky, slightly plastic consistence (wet). Silty loam texture with clear, wavy boundaries. Many fine roots, common very fine roots, few medium roots.
B	22-40+ cm | No sample
	Very dark gray-brown (10 YR 3/2). Weak, fine, subangular blocky structure that breaks to weak, very fine, granular structure. 75% gravel; slightly sticky, slightly plastic consistence (wet). Silty loam texture