The Eastern Canadian Shield taiga 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
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 ...
as defined by the
World Wildlife Fund
The World Wide Fund for Nature Inc. (WWF) is an international non-governmental organization founded in 1961 that works in the field of wilderness preservation and the reduction of human impact on the environment. It was formerly named the Wo ...
(WWF) categorization system.
Setting
Located in northeastern Canada, this ecoregion covers a large part of northern
Quebec
Quebec ( ; )According to the Canadian government, ''Québec'' (with the acute accent) is the official name in Canadian French and ''Quebec'' (without the accent) is the province's official name in Canadian English is one of the thirtee ...
and most of
Labrador
, nickname = "The Big Land"
, etymology =
, subdivision_type = Country
, subdivision_name = Canada
, subdivision_type1 = Province
, subdivision_name1 ...
, reaching from
Hudson Bay
Hudson Bay ( crj, text=ᐐᓂᐯᒄ, translit=Wînipekw; crl, text=ᐐᓂᐹᒄ, translit=Wînipâkw; iu, text=ᑲᖏᖅᓱᐊᓗᒃ ᐃᓗᐊ, translit=Kangiqsualuk ilua or iu, text=ᑕᓯᐅᔭᕐᔪᐊᖅ, translit=Tasiujarjuaq; french: b ...
and
James Bay
James Bay (french: Baie James; cr, ᐐᓂᐯᒄ, Wînipekw, dirty water) is a large body of water located on the southern end of Hudson Bay in Canada. Both bodies of water extend from the Arctic Ocean, of which James Bay is the southernmost par ...
in the west, across to
Ungava Bay
Ungava Bay (french: baie d'Ungava, ; iu, ᐅᖓᕙ ᑲᖏᖅᓗᒃ/) is a bay in northeastern Canada separating Nunavik (far northern Quebec) from Baffin Island. Although not geographically apparent, it is considered to be a marginal sea of the ...
and east to the
Atlantic Ocean
The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe ...
coast of Labrador. This is a taiga ecoregion and therefore stops at the treeline, beyond which is
tundra
In physical geography, tundra () is a type of biome where tree growth is hindered by frigid temperatures and short growing seasons. The term ''tundra'' comes through Russian (') from the Kildin Sámi word (') meaning "uplands", "treeless moun ...
. This is a rugged rocky landscape including an area
fjord
In physical geography, a fjord or fiord () is a long, narrow inlet with steep sides or cliffs, created by a glacier. Fjords exist on the coasts of Alaska, Antarctica, British Columbia, Chile, Denmark, Germany, Greenland, the Faroe Islands, Ice ...
s on the Atlantic coast of Labrador. The hills and plateaus are dotted with many lakes and
string bog
A string bog or string mire is a bog consisting of slightly elevated ridges and islands, with woody plants, alternating with flat, wet sedge mat areas. String bogs occur on slightly sloping surfaces, with the ridges at right angles to the directio ...
s, and patches of
tundra
In physical geography, tundra () is a type of biome where tree growth is hindered by frigid temperatures and short growing seasons. The term ''tundra'' comes through Russian (') from the Kildin Sámi word (') meaning "uplands", "treeless moun ...
on the
Mealy Mountains
The Mealy Mountains is a mountain range in the southern portion of Labrador in the Canadian province of Newfoundland and Labrador. The mountains lie south of Lake Melville and cover an area of approximately 26,495 km² (10,231 mi²).
Th ...
and elsewhere.
This is a cold part of the world with average annual temperatures ranging from −6°C in Hudson Bay to 1°C on the Labrador coast.
Flora
The dominant trees of the taiga are black spruce (''
Picea mariana
''Picea mariana'', the black spruce, is a North American species of spruce tree in the pine family. It is widespread across Canada, found in all 10 provinces and all 3 territories. It is the official tree of the province of Newfoundland and Labra ...
'') and tamarack (''
Larix laricina
''Larix laricina'', commonly known as the tamarack, hackmatack, eastern larch, black larch, red larch, or American larch, is a species of larch native to Canada, from eastern Yukon and Inuvik, Northwest Territories east to Newfoundland, and als ...
''), mixed with smaller numbers of white spruce (''
Picea glauca
''Picea glauca'', the white spruce, is a species of spruce native to the northern temperate and boreal forests in North America. ''Picea glauca'' is native from central Alaska all through the east, across southern/central Canada to the Avalon Pe ...
''),
dwarf birch
''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-copper ...
es,
willow
Willows, also called sallows and osiers, from the genus ''Salix'', comprise around 400 speciesMabberley, D.J. 1997. The Plant Book, Cambridge University Press #2: Cambridge. of typically deciduous trees and shrubs, found primarily on moist s ...
s,
laurels
''Laurus nobilis'' is an aromatic evergreen tree or large shrub with green, Glossary of botanical terms#glabrous, glabrous (smooth) leaves. It is in the flowering plant family Lauraceae. It is native to the Mediterranean region and is used as ...
, and
rhododendron
''Rhododendron'' (; from Ancient Greek ''rhódon'' "rose" and ''déndron'' "tree") is a very large genus of about 1,024 species of woody plants in the heath family (Ericaceae). They can be either evergreen or deciduous. Most species are nati ...
s. The boglands are a habitat of
sedge
The Cyperaceae are a family of graminoid (grass-like), monocotyledonous flowering plants known as sedges. The family is large, with some 5,500 known species described in about 90 genera, the largest being the "true sedges" genus ''Carex'' wit ...
s and
sphagnum
''Sphagnum'' is a genus of approximately 380 accepted species of mosses, commonly known as sphagnum moss, peat moss, also bog moss and quacker moss (although that term is also sometimes used for peat). Accumulations of ''Sphagnum'' can store wa ...
moss.
Fauna
The ecoregion is home to wildlife including
caribou
Reindeer (in North American English, known as caribou if wild and ''reindeer'' if domesticated) are deer in the genus ''Rangifer''. For the last few decades, reindeer were assigned to one species, ''Rangifer tarandus'', with about 10 subspe ...
,
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 mal ...
(''Alces alces''), American black bear (''
Ursus americanus
Ursus is Latin for bear. It may also refer to:
Animals
*Ursus (mammal), ''Ursus'' (mammal), a genus of bears
People
* Ursus of Aosta, 6th-century evangelist
* Ursus of Auxerre, 6th-century bishop
* Ursus of Solothurn, 3rd-century martyr
* Ursus ...
''), grey wolf (''
Canis lupus
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 ...
''), red fox (''
Vulpes vulpes
The red fox (''Vulpes vulpes'') is the largest of the true foxes and one of the most widely distributed members of the order Carnivora, being present across the entire Northern Hemisphere including most of North America, Europe and Asia, plus ...
''), Arctic fox (''
Alopex lagopus
The Arctic fox (''Vulpes lagopus''), also known as the white fox, polar fox, or snow fox, is a small fox native to the Arctic regions of the Northern Hemisphere and common throughout the Arctic tundra biome. It is well adapted to living in c ...
''), wolverine (''
Gulo gulo
The wolverine (), (''Gulo gulo''; ''Gulo'' is Latin for "gluttony, glutton"), also referred to as the glutton, carcajou, or quickhatch (from East Cree, ''kwiihkwahaacheew''), is the largest land-dwelling species of the family Mustelidae. It is ...
''), snowshoe hare (''
Lepus americanus
The snowshoe hare (''Lepus americanus''), also called the varying hare or snowshoe rabbit, is a species of hare found in North America. It has the name "snowshoe" because of the large size of its hind feet. The animal's feet prevent it from sink ...
'') and colonies of seals. Of particular interest are the inland (and therefore freshwater)
harbor seal
The harbor (or harbour) seal (''Phoca vitulina''), also known as the common seal, is a true seal found along temperate and Arctic marine coastlines of the Northern Hemisphere. The most widely distributed species of pinniped (walruses, eared sea ...
s of
Lacs des Loups Marins
Lacs des Loups Marins is a lake in the north of the province of Quebec in Canada. It is located about 150 km east of Hudson Bay and about 20 km northeast of Lac à l'Eau Claire.
The name comes from its population of harbour seals (fr: lo ...
and the world's largest herd of
caribou
Reindeer (in North American English, known as caribou if wild and ''reindeer'' if domesticated) are deer in the genus ''Rangifer''. For the last few decades, reindeer were assigned to one species, ''Rangifer tarandus'', with about 10 subspe ...
, the
George River herd of up to 400,000 animals. Birds include
grouse
Grouse are a group of birds from the order Galliformes, in the family Phasianidae. Grouse are presently assigned to the tribe Tetraonini (formerly the subfamily Tetraoninae and the family Tetraonidae), a classification supported by mitochondr ...
, osprey (''
Pandion haliaetus
The osprey (''Pandion haliaetus''), , also called sea hawk, river hawk, and fish hawk, is a Diurnality, diurnal, piscivore, fish-eating bird of prey with a cosmopolitan range. It is a large raptor reaching more than in length and across the ...
''), raven (''
Corvus corax
The common raven (''Corvus corax'') is a large all-black passerine bird. It is the most widely distributed of all corvids, found across the Northern Hemisphere. It is a raven known by many names at the subspecies level; there are at least ei ...
'') and many waterbirds. In particular the rocky coast is home to breeding colonies of seabirds, including the endangered eastern population of the
harlequin duck
The harlequin duck (''Histrionicus histrionicus'') is a small sea duck. It takes its name from Harlequin (French ''Arlequin'', Italian ''Arlecchino''), a colourfully dressed character in Commedia dell'arte. The species name comes from the Latin ...
and is also on the
Atlantic Flyway migratory route for birds.
Threats and preservation
This ecoregion is almost entirely in its natural state, apart from some areas damaged by hydro-electric power generation projects and mining activities such as the
Voisey's Bay Mine
Voisey's Bay Mine is a nickel mine in Labrador, Canada, near the bay of the same name. The mine is located about southwest of Nain.
Nickel deposit
A large nickel deposit was discovered in the hills along the western shore of Potato Isla ...
. There are no substantial protected areas although the proposed
Mealy Mountains National Park Reserve
is a national park reserve in the Labrador region of Newfoundland and Labrador. Established in 2015, its area covers approximately . Along with the Mealy Mountains, the park protects a large portion of boreal forest, tundra and more than 50 kil ...
will be the largest park in
Atlantic Canada
Atlantic Canada, also called the Atlantic provinces (french: provinces de l'Atlantique), is the region of Eastern Canada comprising the provinces located on the Atlantic coast, excluding Quebec. The four provinces are New Brunswick, Newfoundlan ...
and other parks are proposed for
Richmond Gulf
Lake Tasiujaq (french: lac Tasiujaq; iu, Tasiujaq, script=Latn (which resembles a lake)) is a large triangular-shaped inland bay located on east side of Hudson Bay just above 56th parallel north in Quebec, Canada. It was formerly known as Richm ...
and the
Clearwater Lakes
The Lac Wiyâshâkimî (the official name, in French, formerly Lac à l'Eau Claire, a calque of the lake's name, Wiyâšâkamî, in Northern East Cree, changed form of ''wâšâkamî'' or ''wâšekamî'' in more southerly Cree dialects), also ...
on Hudson Bay, and
Atikonak Lake on the Quebec–Labrador border.
See also
*
List of ecoregions in Canada (WWF)
The following is a list of ecoregions in Canada as identified by the World Wide Fund for Nature (WWF).
Terrestrial ecoregions
The terrestrial ecoregions of Canada are all within the Nearctic realm, which includes most of North America. The Nearc ...
External links
*
References
{{DEFAULTSORT:Eastern Canadian Shield Taiga
Taiga and boreal forests
Ecoregions of Canada
Forests of Quebec
Nearctic ecoregions