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.
Home //
Plot location map //
Preliminary vegetation classification //
Communities and microsites //
Environmental variables //
Environmental information: Abiotic data,
Biotic data //
Soils Characteristics //
Species Composition //
Selected Soil Descriptions //
Plot Photos
Soil Description, Plot SWT-40
|
 | | | Classification: | Pergelic Cryaquoll, fine-loamy, mixed. |
|---|
| Location: | Northwest side of Toolik Lake. Toposequence upslope from small lake between pond S-7 and Toolik Lake. |
|---|
| Physiographic position: | Sideslope of 10 percent SSE-facing slope. |
|---|
| Topography: | Nonsorted stone stripes with frost scars. |
|---|
| Microrelief Height: | 15 cm. |
|---|
| Drainage: | Moderately well drained. |
|---|
| Vegetation: | Dry Vaccinium uliginosum, Salix reticulata, Equisetum arvense, Astragalus umbellatus, Cetraria cucullata, dwarf-shrub, horsetail, fruticose-lichen tundra |
|---|
| Parent material: | Itkillik II glacial till. |
|---|
| Sampled by: | D.A. Walker and C. Westberg, August 9, 1989. |
|---|
| Remarks: | Ground unfrozen to 100 cm. |
|---|
| Weather: | Cloudy, windy. |
|---|
| Horizons: | Colors are for the moist soil. |
|---|
| Oi | 0-3 cm. Mat of Polytrichum juniperinum, Dicranum spp. and lichens; smooth clear boundary. |
|---|
| Oe | 3-8 cm. Very dark brown (7.5YR 2/2) organic silt; medium fine granular structure; moist; smooth clear boundary. |
|---|
| Oa | 8-13 cm. Black (7.5YR 2/1)loamy sand; weak, medium subangular blocky, breaking to a weak medium granular structure; wet; smooth, slightly sticky, slightly plastic (wet); pH = 5.3; abrupt wavy boundary. (Sample T-092). |
|---|
| B1 | 13-18 cm. Dark brown (10YR 3/3) sandy clay loam; moderate medium subangular blocky, breaking to moderate medium granular structure; wet; slightly gritty; plastic, sticky (wet); pH = 6.2; est. 10 percent gravel to about 3 cm; indistinct boundary. (Sample T-093). |
|---|
| B2 | 18-44+ cm. Brown (10YR 4/3) gravelly clay; massive structure; wet; gritty, sticky, plastic (wet); est. 20 percent gravel. |
|---|
|
|
| Enlarge soil photo |
|
