Component Projects-Alaska Arctic Tundra Vegetation Map

Alaska Arctic Tundra Vegetation Map

Moist tundra component of unit W2.2; Community No. 9 on nonacidic soils, near Camden Bay, Arctic coast, Alaska

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Moist tundra component of unit W2.2; Community No. 9 on nonacidic soils, near Camden Bay, Arctic coast, Alaska. (Photo: D.A. Walker.)

Wet sedge, moss tundra, Community No. 29, Prudhoe Bay, Arctic Coastal Plain, Alaska

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Wet sedge, moss tundra, Community No. 29, Prudhoe Bay, Arctic Coastal Plain, Alaska. (Photo: D.A. Walker.)

Wet sedge, moss tundra, Community No. 29, near Kaktakturuk River, Arctic Coastal Plain, Alaska

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Wet sedge, moss tundra, Community No. 29, near Kaktakturuk River, Arctic Coastal Plain, Alaska. (Photo: D.A. Walker.)

Wet sedge, moss tundra, Community No. 29, Brooks Range, Alaska (Photo: D.A. Walker.)

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Wet sedge, moss tundra, Community No. 29, Brooks Range, Alaska (Photo: D.A. Walker.)

Wet sedge tundra, Community No. 29, Colville River delta, Arctic Coastal Plain, Alaska

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Wet sedge tundra, Community No. 29, Colville River delta, Arctic Coastal Plain, Alaska (Photo: D.A. Walker.)

Wet sedge, moss tundra complex (low-centered polygons), Community No. 29, Canning River delta, Arctic Coastal Plain, Alaska

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Wet sedge, moss tundra complex (low-centered polygons), Community No. 29, Canning River delta, Arctic Coastal Plain, Alaska (Photo: D.A. Walker.)

Wet sedge tundra, Community No. 29, Arctic Coastal Plain, Alaska

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Wet sedge tundra, Community No. 29, Arctic Coastal Plain, Alaska (Photo: D.A. Walker.)

Vegetation Units

W2.2 Wet nonacidic coastal complex (N. Alaska)

Wet sedge, moss communities (comm. 29) on wet nonacidic sites, with moist communities (G3.1, comm. 27) on higher microsites. Northern Arctic Coastal Plain and northern coast of Seward Peninsula, Subzone D.

(See G3.1)

Plant Communities:

Community 27

Northern Alaska: Stand Type U3, mesic nonacidic loess (Walker 1985) (Prudhoe Bay).

Beringian Alaska: Map unit 42A - low shrub water sedge tussock tundra (Swanson and Schuman 1985) (Seward Peninsula).


Sedge: Carex bigelowii, Eriophorum angustifolium ssp. triste, E. vaginatum, Carex membranacea, C. aquatilis;
Prostrate dwarf shrub: Dryas integrifolia, Salix reticulata;
Erect dwarf shrub: Salix richardsonii;
Forb: Tephroseris frigida, Eutrema edwardsii, Papaver macounii spp. discolor, Leucanthemum integrifolium, Pedicularis lanata, Tofieldia pusilla;
Moss: Tomentypnum nitens, Drepanocladus brevifolius, Distichium capillaceum, Ditrichum flexicaule, Hypnum bambergeri;
Lichen: Thamnolia subuliformis, Flavocetraria cucullata, Cetraria islandica

Community 29

Stand Type M2, wet calcareous meadows, ice-wedge polygon centers, lake margins (Walker 1985) (Prudhoe Bay).


Sedge: Carex aquatilis, Eriophorum angustifolium spp., Carex spp.;
Moss: Drepanocladus brevifolius, Scorpidium scorpioides, Cinclidium latifolium, Meesia triquetra, Catoscopium nigritum, Distichium capillaceum

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Last modified: December 11, 2008