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The Interior Yukon–Alaska alpine tundra ecoregion (WWF ID: NA1111) covers alpine, sub-alpine, and boreal forest areas along the cordillera (chain of mountain ranges) of Interior Alaska and south-central Yukon Territory. Geologically, they are the disjunct uplands of the Yukon–Tanana terrane plus a southern extension of the Brooks Range. The ...
The Alaska–St. Elias Range tundra is an ecoregion of northwestern North America. Setting. This ecoregion consists of a long range of high rocky mountains of the ...
The tundra region is found in high latitudes, primarily in Alaska, Canada, Russia, Greenland, Iceland, and Scandinavia, as well as the Antarctic Islands. Consisting of the arctic, alpine, and Antarctic regions, and stemming from the Samer language, tundra literally means a "high and dry place".
In physical geography, tundra (/ ˈ t ʌ n d r ə, ˈ t ʊ n-/) is a type of biome where tree growth is hindered by frigid temperatures and short growing seasons. There are three regions and associated types of tundra: Arctic, [2] Alpine, [2] and Antarctic. [3] Tundra vegetation is composed of dwarf shrubs, sedges, grasses, mosses, and lichens ...
This ecoregion occupies the rugged slopes of the Coast Ranges, stretching from the Kenai Peninsula of south-central Alaska to Portland Inlet in British Columbia. Elevations range from sea level to over 4,500 m (14,800 ft). Glaciers and subpolar icefields are the dominant physiographic influences of this ecoregion. [2]
ANCHORAGE, Alaska (AP) — On a desolate slab of island tundra in western Alaska, a resident of Adak will again become the last American to cast an in-person ballot for president, continuing a 12-year tradition for the nation’s westernmost community.
90% of natural habitat remains intact, except for the vicinity of Utqiaġvik, Alaska and the oil fields of Prudhoe Bay, Alaska and Kuparuk which are expanding along the coast and may in future spread into the Arctic National Wildlife Refuge, which is the only major protected area on this coast (see Arctic Refuge drilling controversy), and on ...
This is a hilly area that lies between the boggier Arctic coastal tundra to the north and the Brooks Range to the south, and stretching from the Chukchi Sea east across northern Alaska to the border with Canada's Yukon Territory. The Noatak River valley is the only forested area. [2]