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-2

Plot Number:	HV-2
Location:	Second fluvial terrace nearer to road than runway.
Description by:	A. Gallant
Sample Date:	7/18/94
Sample Time:
Classification:
Parent Material:	Alluvial sands, gravels, cobbles
Geomorphic Surface:	Irregular microrelief
Elevation:	900 ft
Slope:	0°
Aspect:	Flat
Vegetation:	Dry Dryas integrifolia, Cetraria cucullata, Lupinus arcticus, Rhododendron lapponicum, dwarf-shrub forb tundra
Horizon:	Description:
Oa	0-6 cm | Sample S-70
	Black (10YR 2/1) Silt. Weak, fine, subangular blocky structure; 0% gravel; slightly sticky, slightly plastic consistence (wet); many very fine roots, common fine roots; abrupt, wavy boundary.
B	6-26 cm | Sample S-71
	Very dark gray (10 YR 3/1) sandy loam. Moderate, medium, subangular blocky breaking to weak, fine, subangular blocky structure. <10% gravel; slightly sticky and slightly plastic consistence (wet); common fine roots, common medium roots; few cobbles (to 10 cm in diameter) in layer.
C	26+ cm | cobble layer.