Alaska Arctic Tundra Vegetation Map

Non-tussock sedge, dwarf-shrub, moss tundra (moist non-acidic tundra), Community No. 27, Arctic National Wildlife Refuge, Arctic Coastal Plain, Alaska

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Non-tussock sedge, dwarf-shrub, moss tundra (moist non-acidic tundra), Community No. 27, Arctic National Wildlife Refuge, Arctic Coastal Plain, Alaska (Photo: D.A. Walker.)

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Non-tussock sedge, dwarf-shrub, moss tundra (moist nonacidic tundra), Community No. 27, Arctic National Wildlife Refuge, Arctic Coastal Plain, Alaska (Photo: D.A. Walker.)

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Non-tussock sedge, dwarf-shrub, moss tundra (moist nonacidic tundra), Community No. 27. Arctic National Wildlife Refuge, Arctic Coastal Plain, Alaska (Photo: D.A. Walker.)

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Non-tussock sedge, dwarf-shrub, moss tundra (moist nonacidic tundra), Community No. 27, Arctic Coastal Plain, Alaska (Photo: D.A. Walker.)

Moist non-tussock sedge, dwarf-shrub moss tundra (nonacidic tundra with non-sorted circles), variant of Community No. 27 with abundant Arctagrostis latifolia near the Kaktakturuk River, Arctic Coastal Plain, Alaska

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Moist non-tussock sedge, dwarf-shrub moss tundra (nonacidic tundra with non-sorted circles), variant of Community No. 27 with abundant Arctagrostis latifolia near the Kaktakturuk River, Arctic Coastal Plain, Alaska (Photo: D.A. Walker.)

Moist non-tussock sedge, dwarf-shrub moss tundra (nonacidic tundra), Community No. 27, Prudhoe Bay, Arctic Coastal Plain, Alaska

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Moist non-tussock sedge, dwarf-shrub moss tundra (nonacidic tundra), Community No. 27, Prudhoe Bay, Arctic Coastal Plain, Alaska (Photo: D.A. Walker.)

Moist non-tussock sedge, dwarf-shrub moss tundra (nonacidic tundra), Community No. 27, southwest of Prudhoe Bay, Arctic Coastal Plain, Alaska

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Moist non-tussock sedge, dwarf-shrub moss tundra (nonacidic tundra), Community No. 27, southwest of Prudhoe Bay, Arctic Coastal Plain, Alaska (Photo: D.A. Walker.)

Moist non-tussock sedge, dwarf-shrub moss tundra (nonacidic tundra), Community No. 27, Okpilak River, Arctic Coastal Plain, Alaska

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Moist non-tussock sedge, dwarf-shrub moss tundra (nonacidic tundra), Community No. 27, Okpilak River, Arctic Coastal Plain, Alaska (Photo: D.A. Walker.)

Moist non-tussock sedge, dwarf-shrub moss tundra (nonacidic tundra with non-sorted circles), Community No. 27, Okpilak River, Arctic Coastal Plain, Alaska

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Moist non-tussock sedge, dwarf-shrub moss tundra (nonacidic tundra with non-sorted circles), Community No. 27, Okpilak River, Arctic Coastal Plain, Alaska (Photo: D.A. Walker.)

Vegetation Units

G3.1 Moist nonacidic tundra (N. Arctic Coastal Plain)

Non-tussock sedge, dwarf-shrub, moss communities (comm. 27) on mesic non-acidic loess. Northern Arctic Coastal Plain, Subzone D.

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).

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


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