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-52

Plot Number:	HV-52
Location:
Description by:	A. Gallant
Sample Date:	7/22/94
Sample Time:
Classification:
Parent Material:	Hillslope colluvium
Geomorphic Surface:	Well-developed water tracks
Elevation:	1040 ft
Slope:	<5°
Aspect:	NE
Vegetation:	Wet Betula nana, Carex rotundata, Salix fuscescens, Sphagnum sp., graminoid, dwarf-shrub, moss tundra
Horizon:	Description:
Oi	0-7 cm | No sample
	1% gravel; abrupt, smooth boundary. Composed of Sphagnum moss
Oe1	7-14 cm | Sample S-222
	Very dark brown (7.5 YR 3/3). 0% gravel; abrupt, smooth boundary. Composed mainly of Sphagnum; many very fine roots.
Oe2	14-22 cm | Sample S-223
	Very dark brown (10 YR 3/4). 0% gravel; abrupt, smooth boundary. Composed of roots and Sphagnum.
Oa	22-27 cm | Sample S-224
	Black (10 YR 2/2). 0% gravel; abrupt, smooth boundary. Many very fine roots.
C	27-47+ cm | Sample S-225
	Grayish-brown (2.5 YR 5/2). Massive structure with 0% gravel. Very sticky, very plastic consistence (wet). Clay texture. Common large mottles with 2 colors very dark gray (10 YR 3/1) and very dark grayish brown (10 YR 3/2.
Permafrost	47 cm |