The Arctic foothills tundra is an

ecoregion An ecoregion (ecological region) or ecozone (ecological zone) is an ecologically and geographically defined area that is smaller than a bioregion, which in turn is smaller than a biogeographic realm. Ecoregions cover relatively large areas of l ...

of the far north of North America, lying inland from the north coast of

Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S., ...

. This is permafrost tundra with an average annual temperature below freezing.

Setting

This is a hilly area that lies between the boggier

Arctic coastal tundra The Arctic coastal tundra is an ecoregion of the far north of North America, an important breeding ground for a great deal of wildlife. Setting This ecoregion is located on the north coast of Alaska, and includes the east coast plain of Banks Is ...

to the north and the

Brooks Range The Brooks Range ( Gwich'in: ''Gwazhał'') is a mountain range in far northern North America stretching some from west to east across northern Alaska into Canada's Yukon Territory. Reaching a peak elevation of on Mount Isto, the range is belie ...

to the south, and stretching from the Chukchi Sea east across northern Alaska to the border with

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...

Yukon Territory Yukon (; ; formerly called Yukon Territory and also referred to as the Yukon) is the smallest and westernmost of Canada's three territories. It also is the second-least populated province or territory in Canada, with a population of 43,964 as ...

. The

Noatak River The Noatak River ( ik, Nuataam Kuuŋa) is a river in the northwestern part of the U.S. state of Alaska. Description The Noatak River's headwaters are on the north flank of Mount Igikpak in the Schwatka Mountains of the Brooks Range in the Gate ...

valley is the only forested area.

Flora

The main vegetation is the scrubby cottongrass (''

Eriophorum vaginatum ''Eriophorum'' (cottongrass, cotton-grass or cottonsedge) is a genus of flowering plants in the family Cyperaceae, the sedge family. They are found throughout the arctic, subarctic, and temperate portions of the Northern Hemisphere in acid bog ha ...

''), stiff sedge (''

Carex bigelowii ''Carex bigelowii'' is a species of sedge known by the common names Bigelow's sedge, Gwanmo sedge, and stiff sedge. It has an Arctic–alpine distribution in Eurasia and North America, and grows up to tall in a variety of habitats. Distribution ...

'') and shrubs such as ''

Betula nana ''Betula nana'', the dwarf birch, is a species of birch in the family Betulaceae, found mainly in the tundra of the Arctic region. Description It is a monoecious, deciduous shrub growing up to high. The bark is non-peeling and shiny red-copp ...

'', ''

Empetrum nigrum ''Empetrum nigrum'', crowberry, black crowberry, or, in western Alaska, blackberry, is a flowering plant species in the heather family Ericaceae with a near circumboreal distribution in the Northern Hemisphere. It is usually dioecious, but th ...

'', '' Rhododendron subarcticum'', and the berry ''

Vaccinium vitis-idaea ''Vaccinium vitis-idaea'', the lingonberry, partridgeberry, mountain cranberry or cowberry, is a small evergreen shrub in the heath family Ericaceae, that bears edible fruit. It is native to boreal forest and Arctic tundra throughout the Norther ...

''.

Fauna

The Colville River is a migration route for wildlife including

moose The moose (in North America) or elk (in Eurasia) (''Alces alces'') is a member of the New World deer subfamily and is the only species in the genus ''Alces''. It is the largest and heaviest extant species in the deer family. Most adult ma ...

, and a breeding area for

gyrfalcon The gyrfalcon ( or ) (), the largest of the falcon species, is a bird of prey. The abbreviation gyr is also used. It breeds on Arctic coasts and tundra, and the islands of northern North America and the Eurosiberian region. It is mainly a resid ...

, peregrine falcon, and rough-legged hawks. The ecoregion is also home to a number of waterbirds. Mammals include the large ungulates

(''Alces alces'') and caribou (''Rangifer tarandus''), the predators

brown bear The brown bear (''Ursus arctos'') is a large bear species found across Eurasia and North America. In North America, the populations of brown bears are called grizzly bears, while the subspecies that inhabits the Kodiak Islands of Alaska is ...

(''Ursus arctos'') and

wolf The wolf (''Canis lupus''; : wolves), also known as the gray wolf or grey wolf, is a large canine native to Eurasia and North America. More than thirty subspecies of ''Canis lupus'' have been recognized, and gray wolves, as popularly un ...

(''Canis lupus'') breed here, while smaller mammals include

Alaskan hare The Alaskan hare (''Lepus othus''), also known as the tundra hare, is a species of mammal in the family Leporidae. They do not dig burrows and are found in the open tundra of western Alaska and the Alaska Peninsula in the United States. They are ...

(''Lepus othus'') and Arctic ground squirrel (''Spermophilus parryi'').

Threats and preservation

This ecoregion is unspoilt except that it is crossed by the

Dalton Highway The James W. Dalton Highway, usually referred to as the Dalton Highway (and signed as Alaska Route 11), is a road in Alaska. It begins at the Elliott Highway, north of Fairbanks, and ends at Deadhorse (an unincorporated community within the ...

and the

Trans-Alaska Pipeline The Trans-Alaska Pipeline System (TAPS) is an oil transportation system spanning Alaska, including the trans-Alaska crude-oil pipeline, 11 pump stations, several hundred miles of feeder pipelines, and the Valdez Marine Terminal. TAPS is one o ...

, which can disrupt migratory behaviour of some wildlife. The east end of the ecoregion is part of the

Arctic National Wildlife Refuge The Arctic National Wildlife Refuge (ANWR or Arctic Refuge) is a national wildlife refuge in northeastern Alaska, United States on traditional Gwich'in lands. It consists of in the Alaska North Slope region. It is the largest national wildli ...

References

{{Alaska Ecoregions of Alaska Flora of Alaska Nearctic ecoregions Tundra ecoregions

Setting

Flora

Fauna

Threats and preservation

See also

References