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-37

Plot Number:	HV-37
Location:	Water track transect about 500 m southwest of Happy Valley camp
Description by:	A. Gallant
Sample Date:	7/27/94
Sample Time:
Classification:
Parent Material:	Fine grained alluvium and organic material
Geomorphic Surface:	Water track
Elevation:	1050 ft
Slope:	0°
Aspect:	Flat
Vegetation:	Wet Betula nana, Carex aquatilis, Eriophorum angustifolium, Salix planifolia, Sphagnum angustifolium, Sphagnum squarrosum, graminoid, low-shrub tundra
Horizon:	Description:
Oi	0-7 cm | Sample S-180
	Dark yellow-brown (10 YR 4/5). 0% gravel; abrupt, smooth boundary. Mainly Sphagnum moss. Top 4 cm are live material. Many very fine roots; fine and medium roots are common.
Oe	7-16 cm | Sample S-181
	Dark brown (7.5 YR 3/3). 0% gravel; abrupt, smooth boundary. Mainly roots plus mosses, sedges and woody stems. Many very fine and fine roots; medium roots common.
Oa	16-28 cm | Sample S-182
	Very dark brown (10 YR 2/2). 0% gravel; abrupt, smooth boundary. Many very fine roots. Fine roots common.
Bw	28-55+ cm | Sample S-183
	Dark brown (10 YR 3/3). Weak, very fine granular and subangular blocky structures exhibited. 0% gravel. Sticky, plastic consistence (wet). Silty clay loam texture. Very fine roots common; no mottles.
Permafrost	55 cm |