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-12

Plot Number:	HV-12
Location:	Water track on shoulder of bluff over looking Sag. river; 2 km south of HV camp
Description by:	A. Gallant
Sample Date:	7/19/94
Sample Time:
Classification:
Parent Material:	Undifferentiated hillslope colluvium
Geomorphic Surface:	Well-developed hillslope water track
Elevation:	1050 ft
Slope:	15°
Aspect:	E
Vegetation:	Wet Equisetum arvense, Petasites frigidus, Salix planifolia, low-shrub tundra
Horizon:	Description:
Oe	0-21 cm | Sample S-97
	Black (10 YR 2/1). Massive structure with 0% gravel. Loam texture with abrupt, smooth boundary. Composed of sedge, sedge roots, willow roots with many very fine, fine, medium and coarse roots. Red mottles - few and large in Oe layer (7.5 YR 3/3)
O/B	21-40+ cm | Sample S-98
O
	Black ( 10 YR 2/1). Massive structure with 0% gravel. Slightly sticky, slightly plastic consistence (wet). Loam texture.
B
	Very dark gray-brown (10 YR 3/2). Massive structure with 0% gravel. Slightly sticky, slightly plastic consistence (wet). Silty loam texture.
Permafrost	40 cm | No sample