The Chugach National Forest is a

United States National Forest In the United States, national forest is a classification of protected and managed federal lands that are largely forest and woodland areas. They are owned collectively by the American people through the federal government and managed by the ...

in south central

Alaska Alaska ( ) is a non-contiguous U.S. state on the northwest extremity of North America. Part of the Western United States region, it is one of the two non-contiguous U.S. states, alongside Hawaii. Alaska is also considered to be the north ...

. Covering portions of

Prince William Sound Prince William Sound ( Sugpiaq: ''Suungaaciq'') is a sound off the Gulf of Alaska on the south coast of the U.S. state of Alaska. It is located on the east side of the Kenai Peninsula. Its largest port is Valdez, at the southern terminus of the ...

, the

Kenai Peninsula The Kenai Peninsula ( Dena'ina: ''Yaghenen'') is a large peninsula jutting from the coast of Southcentral Alaska. The name Kenai (, ) is derived from the word "Kenaitze" or "Kenaitze Indian Tribe", the name of the Native Athabascan Alaskan tribe ...

and the Copper River Delta, it was formed in 1907 from part of a larger forest reserve. The Chugach includes extensive shorelines, glaciers, forests and rivers, much of which is untouched by roads or trails. It hosts numerous bird, mammal and marine species, including extensive shorebird habitat and a

bald eagle The bald eagle (''Haliaeetus leucocephalus'') is a bird of prey found in North America. A sea eagle, it has two known subspecies and forms a species pair with the white-tailed eagle (''Haliaeetus albicilla''), which occupies the same niche ...

population larger than the contiguous 48 states combined. Human industry in the forest includes extensive tourism and some mining and oil and gas operations.

History

The area that is now Chugach was settled by the

Alutiiq The Alutiiq (pronounced in English; from Promyshlenniki Russian Алеутъ, "Aleut"; plural often "Alutiit"), also called by their ancestral name ( or ; plural often "Sugpiat"), as well as Pacific Eskimo or Pacific Yupik, are a Yupik ...

thousands of years ago. It was first visited by Europeans in the mid-1700s and soon settled by Russian fur traders, who trapped the native

sea otter The sea otter (''Enhydra lutris'') is a marine mammal native to the coasts of the northern and eastern Pacific Ocean, North Pacific Ocean. Adult sea otters typically weigh between , making them the heaviest members of ...

s. In 1867, the US purchased Alaska from Russia and gold was found in 1888. In 1907, the Chugach National Forest was created from a portion of forest reserve, which had been one of the first of its kind, designated in 1892.

Geography

It is located in the mountains surrounding

including the eastern

and the delta of the

Copper River Copper River may refer to several places: *Copper River (Alaska), in the United States * Copper River (British Columbia), a tributary of the Skeena River The Skeena River is the second-longest river entirely within British Columbia, Canada (afte ...

. It is the second-largest (third-largest if the Humboldt-Toiyabe National Forest is considered as one entity) forest in the U.S. national forest system, and is the northernmost and westernmost national forest. Approximately 30 percent of the area of the forest is covered by ice. Portions of the Kenai Peninsula make up approximately 21 percent of the forest, and include the southern portion of the

Iditarod National Historic Trail The Iditarod Trail, also known historically as the Seward-to-Nome Trail, is a thousand-plus mile (1,600 km) historic and contemporary trail system in the US state of Alaska. The trail began as a composite of trails established by Alaskan ...

. Parts of Prince William Sound make up about 48 percent of the forest. This includes of shoreline, 22

tidewater glacier The tidewater glacier cycle is the typically centuries-long behavior of tidewater glaciers that consists of recurring periods of advance alternating with rapid retreat and punctuated by periods of stability. During portions of its cycle, a tidewat ...

s, and the Nellie Juan-College Fiord Wilderness Study Area, which covers . Portions of the Copper River Delta cover approximately 31 percent of the forest, and include the "largest contiguous wetlands complex on North America's Pacific coast". Despite its huge size, there are only of Forest Service roads, although there are also over of designated trails. The supervisor's office is located in

Anchorage Anchorage, officially the Municipality of Anchorage, is the most populous city in the U.S. state of Alaska. With a population of 291,247 at the 2020 census, it contains nearly 40 percent of the state's population. The Anchorage metropolita ...

. There are local ranger district offices located in Cordova, Girdwood, and Seward. In descending order of land area within the forest, it is located in parts of the Valdez-Cordova Census Area,

Kenai Peninsula Borough Kenai Peninsula Borough is a borough of the U.S. state of Alaska. As of the 2020 census, the population was 58,799, up from 55,400 in 2010. The borough seat is Soldotna, the largest city is Kenai, and the most populated community is the censu ...

Anchorage Municipality Anchorage, officially the Municipality of Anchorage, is the most populous city in the U.S. state of Alaska. With a population of 291,247 at the 2020 census, it contains nearly 40 percent of the state's population. The Anchorage metropolitan a ...

Matanuska-Susitna Borough Matanuska-Susitna Borough (often referred to as the Mat-Su Borough) is a borough located in the U.S. state of Alaska. Its borough seat is Palmer, and the largest community is the census-designated place of Knik-Fairview. As of the 2020 census ...

Kodiak Island Borough Kodiak Island Borough () is a borough in the U.S. state of Alaska. At the 2020 census, the population was 13,101, down from 13,592 in 2010. The borough seat is Kodiak. Geography The borough has a total area of , of which is land and (45.5% ...

, and Yakutat City and Borough.

Islands

Green Island is within the Chugach National Forest north of Montague Island in

. There are at least three islands named "Green Island" within Alaska.

Gravina Island Gravina Island is an island in the Gravina Islands of the Alexander Archipelago in southeastern Alaska. It is long and about wide, with a land area of . The island had a population of 50 people at the 2000 census. The Spanish explorer Jaci ...

is also in the Chugach.

Climate

According to the

Köppen climate classification The Köppen climate classification divides Earth climates into five main climate groups, with each group being divided based on patterns of seasonal precipitation and temperature. The five main groups are ''A'' (tropical), ''B'' (arid), ''C'' (te ...

system, Chugach National Forest has a

subarctic climate The subarctic climate (also called subpolar climate, or boreal climate) is a continental climate with long, cold (often very cold) winters, and short, warm to cool summers. It is found on large landmasses, often away from the moderating effects of ...

(

Köppen Köppen is a German surname. Notable people with the surname include: * Bernd Köppen (1951–2014), German pianist and composer * Carl Köppen (1833-1907), German military advisor in Meiji era Japan * Edlef Köppen (1893–1939), German author ...

''Dfc''). Cannery Creek is a weather station in the Chugach National Forest, located along the shore of the Unakwik Inlet.

Ecology

The Chugach is a

temperate rain forest Temperate rainforests are rainforests with coniferous or broadleaf forests that occur in the temperate zone and receive heavy rain. Temperate rainforests occur in oceanic moist regions around the world: the Pacific temperate rainforests of Nor ...

in the Pacific temperate rain forest region. Here the forest occupies only a very narrow strip between the ocean and the icy alpine zone. The dominant trees are limited to

Sitka spruce ''Picea sitchensis'', the Sitka spruce, is a large, coniferous, evergreen tree growing to just over tall, with a trunk diameter at breast height that can exceed 5 m (16 ft). It is by far the largest species of spruce and the fifth- ...

western hemlock ''Tsuga heterophylla'', the western hemlock or western hemlock-spruce, is a species of hemlock native to the northwest coast of North America, with its northwestern limit on the Kenai Peninsula, Alaska, and its southeastern limit in northern ...

and

mountain hemlock ''Tsuga mertensiana'', known as mountain hemlock, is a species of hemlock native to the west coast of North America, found between Southcentral Alaska and south-central California. Description ''Tsuga mertensiana'' is a large evergreen conifer ...

. This zone is known as the "sub-polar rainforest". The Kenai Peninsula section of the forest is home to over 200 colonies of

seabird Seabirds (also known as marine birds) are birds that are adaptation, adapted to life within the marine ecosystem, marine environment. While seabirds vary greatly in lifestyle, behaviour and physiology, they often exhibit striking convergent ...

s, as well as between 3,000 and 5,000

s. Approximately the same number of eagles live in the Chugach National Forest as live in the entire contiguous United States. The Copper River Delta portion of the forest is the largest contiguous portion of the

Western Hemisphere Shorebird Reserve Network The Western Hemisphere Shorebird Reserve Network (WHSRN) is a conservation movement, conservation strategy targeting shorebirds in the Americas launched in 1985. Its aim is to protect the nesting, reproduction, breeding and Staging area (birds), st ...

and is "considered one of the most essential shorebird habitats in the world". The Delta provides habitat for over 20 million birds annually, and during the summer, one quarter of the world's

trumpeter swan The trumpeter swan (''Cygnus buccinator'') is a species of swan found in North America. The heaviest living bird native to North America, it is also the largest extant species of waterfowl, with a wingspan of 185 to 304.8 cm (6 ft 2 in ...

s and dusky Canada geese call the Delta home. Mammals that inhabit this forest include

coyote The coyote (''Canis latrans''), also known as the American jackal, prairie wolf, or brush wolf, is a species of canis, canine native to North America. It is smaller than its close relative, the Wolf, gray wolf, and slightly smaller than the c ...

, timber wolf,

moose The moose (: 'moose'; used in North America) or elk (: 'elk' or 'elks'; used in Eurasia) (''Alces alces'') is the world's tallest, largest and heaviest extant species of deer and the only species in the genus ''Alces''. It is also the tal ...

caribou The reindeer or caribou (''Rangifer tarandus'') is a species of deer with circumpolar distribution, native to Arctic, subarctic, tundra, boreal, and mountainous regions of Northern Europe, Siberia, and North America. It is the only represe ...

marten A marten is a weasel-like mammal in the genus ''Martes'' within the subfamily Guloninae, in the family Mustelidae. They have bushy tails and large paws with partially retractile claws. The fur varies from yellowish to dark brown, depending on ...

Sitka black-tailed deer The Sitka deer or Sitka black-tailed deer (''Odocoileus hemionus sitkensis'') is a subspecies of mule deer (''Odocoileus hemionus''), similar to the Columbian black-tailed subspecies (''O. h. colombianus''). Their name originates from Sitka, A ...

mountain goat The mountain goat (''Oreamnos americanus''), also known as the Rocky Mountain goat, is a cloven-footed mammal that is endemic to the remote and rugged mountainous areas of western North America. A subalpine to truly alpine species, it is a s ...

black bear Black bear or Blackbear may refer to: Animals * American black bear (''Ursus americanus''), a North American bear species * Asian black bear (''Ursus thibetanus''), an Asian bear species Music * Black Bear (band), a Canadian First Nations group ...

s and

grizzly bear The grizzly bear (''Ursus arctos horribilis''), also known as the North American brown bear or simply grizzly, is a population or subspecies of the brown bear inhabiting North America. In addition to the mainland grizzly (''Ursus arctos horr ...

Dall sheep ''Ovis dalli'', also known as the Dall sheep or thinhorn sheep, is a species of wild sheep native to northwestern North America. ''Ovis dalli'' contains two subspecies: ''Ovis dalli dalli'' and ''Stone sheep, Ovis dalli stonei''. ''O. dalli'' li ...

are also found; the Chugach is the only national forest where these animals can be seen.

Humpback whale The humpback whale (''Megaptera novaeangliae'') is a species of baleen whale. It is a rorqual (a member of the family Balaenopteridae) and is the monotypic taxon, only species in the genus ''Megaptera''. Adults range in length from and weigh u ...

sea lion Sea lions are pinnipeds characterized by external ear flaps, long foreflippers, the ability to walk on all fours, short and thick hair, and a big chest and belly. Together with the fur seals, they make up the family Otariidae, eared seals. ...

s and

otter Otters are carnivorous mammals in the subfamily Lutrinae. The 13 extant otter species are all semiaquatic, aquatic, or marine. Lutrinae is a branch of the Mustelidae family, which includes weasels, badgers, mink, and wolverines, among ...

s are found in the Chugach's waters. The waters around the forest also host all five species of

Pacific salmon ''Oncorhynchus'', from Ancient Greek ὄγκος (''ónkos''), meaning "bend", and ῥύγχος (''rhúnkhos''), meaning "snout", is a genus of ray-finned fish in the subfamily Salmoninae of the family Salmonidae, native to coldwater tributarie ...

found in North America:

chinook salmon The Chinook salmon (''Oncorhynchus tshawytscha'') is the largest and most valuable species of Oncorhynchus, Pacific salmon. Its common name is derived from the Chinookan peoples. Other vernacular names for the species include king salmon, quinn ...

sockeye salmon The sockeye salmon (''Oncorhynchus nerka''), also called red salmon, kokanee salmon, blueback salmon, or simply sockeye, is an anadromous species of salmon found in the Northern Pacific Ocean and rivers discharging into it. This species is a ...

coho salmon The coho salmon (''Oncorhynchus kisutch;'' Karuk: achvuun) is a species of anadromous fish in the salmon family (biology), family and one of the five Pacific salmon species. Coho salmon are also known as silver salmon (or "silvers") and is often ...

chum salmon The chum salmon (''Oncorhynchus keta''), also known as dog salmon or keta salmon, is a species of anadromous salmonid fish from the genus ''Oncorhynchus'' (Pacific salmon) native to the coastal rivers of the North Pacific and the Beringian Arctic ...

and

pink salmon Pink salmon or humpback salmon (''Oncorhynchus gorbuscha'') is a species of euryhaline ray-finned fish in the family Salmonidae. It is the type species of the genus ''Oncorhynchus'' (Pacific salmon), and is the smallest and most abundant of t ...

Human impacts

There is very little

logging Logging is the process of cutting, processing, and moving trees to a location for transport. It may include skidder, skidding, on-site processing, and loading of trees or trunk (botany), logs onto logging truck, trucksnational wilderness, although much of it qualifies under federal law. Mining, including

coal Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. Coal is mostly carbon with variable amounts of other Chemical element, elements, chiefly hydrogen, sulfur, oxygen, and nitrogen. Coal i ...

and

hard rock Hard rock or heavy rock is a heavier subgenre of rock music typified by aggressive vocals and Distortion (music), distorted electric guitars. Hard rock began in the mid-1960s with the Garage rock, garage, Psychedelic rock, psychedelic and blues ...

operations, and oil and gas development are found in the forest. In 2003, the

Department of the Interior The United States Department of the Interior (DOI) is an executive department of the U.S. federal government responsible for the management and conservation of most federal lands and natural resources. It also administers programs relatin ...

announced that of forest was no longer open to mining, adding that area to almost that had been previously placed off limits. The affected land borders the Kenai National Wildlife Refuge Wilderness, and the department cited protecting the Russian River and upper Russian Lake Recreation Corridor as the reason for the change.

Gallery

File:Chugach4.jpg, Alpine Lakes in the Chugach forest File:Skiing across Portage Lake..jpg, Skiers cross Portage Lake File:Glaciar Spencer, trayecto ferroviario escénico Seward-Anchorage, Alaska, Estados Unidos, 2017-08-21, DD 96.jpg, Spencer Glacier, in the Chugach Forest File:Chugach2.jpg, Alpine trees in the Chugach forest File:Portage Lake, Alaska.jpg, Portage Lake in winter File:Byron Peak.JPG, Byron Peak

References

External links

U.S. Forest Service site: Chugach National Forest
*
Temperate Rainforests of the North Pacific Coast
{{Authority control Kenai Mountains-Turnagain Arm National Heritage Area National forests of Alaska Protected areas of Anchorage, Alaska Protected areas of Chugach Census Area, Alaska Protected areas of Copper River Census Area, Alaska Protected areas of Kenai Peninsula Borough, Alaska Protected areas of Kodiak Island Borough, Alaska Protected areas of Matanuska-Susitna Borough, Alaska Protected areas of Yakutat City and Borough, Alaska