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-29

Plot Number:	HV-29
Location:	Hillside toposequence; 1 km north of Happy Valley camp and about 400 m west of Haul road
Description by:	A. Gallant
Sample Date:	7/24/94
Sample Time:
Classification:
Parent Material:	Hillslope colluvium
Geomorphic Surface:	Featureless
Elevation:	1050 ft
Slope:	<5°
Aspect:	S
Vegetation:	Moist Aulacomnium turgidum, Betula nana, Eriophorum vaginatum, Sphagnum sp., tussock-graminoid, dwarf-shrub tundra
Horizon:	Description:
Oi	0-10 cm | Sample S-148
	Brown-yellow (10 YR 6/6). 0% gravel; abrupt, smooth boundary. Composed mainly of Sphagnum.
Oe	10-16 cm | Sample S-149
	Black (10 YR 2/1). 0% gravel; clear, smooth boundary. Composed mainly of roots, moss and deciduous leaves. Many very fine roots, medium roots common.
Oa	16-19 cm | Sample S-150
	Very dark brown (10 YR 2/2). 0% gravel; abrupt, smooth boundary. Many very fine roots and medium roots, fine roots are common.
Bw	19-26+ cm | Sample S-151
	Gray (10 YR 5/1). Massive structure with 0% gravel. Very sticky, very plastic consistence (wet); Silty clay texture. Many large dark yellow-brown mottles (10 YR 3/4). Many very fine roots and fine roots are common.
Permafrost	26 cm |