Toolik Lake Permanent Vegetation Plots

Walker D.A. and Barry N. 1991. Toolik Lake permanent vegetation plots: site factors, soil physical and chemical properties, plant species cover, photographs, and soil descriptions. Data Report 48, Department of Energy R4D Program, Institute of Arctic and Alpine Research, University of Colorado, Boulder, CO.

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Soil Description, Plot SWT-34

soil photo
Classification:Pergelic Cryosaprist, euic.
Location:Northwest side of Toolik Lake. 68°38' N, 149°38' W.
Physiographic position:Flat lake margin.
Topography:Solifluction features.
Microrelief Height:50 cm.
Drainage:Somewhat poorly drained.
Vegetation:Moist Carex podocarpa, Salix reticulata, Aconitum delphinifolium delphinifolium, sedge, forb tundra
Parent material:Itkillik II glacial outwash.
Sampled by:D.A. Walker and C. Westberg, August 8, 1989.
Remarks:Water at 38 cm.
Weather:Mostly sunny, windy.
Horizons:Colors are for moist soil, except where noted.
Oi0-3 cm. Loose mat of mosses, litter and sedge leaves (Tomentypnum nitens, Rhytidum rugosum); smooth, abrupt boundary.
Oe3-15 cm. Very dark brown (7.5YR 2/1.5) loose organic material, est. 2 percent silt; moist to wet; pH = 6.9; many fine, very fine, and few medium roots; smooth, clear boundary. (Sample T-076).
Oa15-63 cm. Very dark brown (7.5YR 2/1.5) sapric organic material with est. < 2 percent sandy loam; weak, medium, platy structure due to compressed organics; wet; pH = 6.2; many fine live roots; water table at 38 cm. (Sample T-077).
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