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Physical Geography
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The geography of Canada is vast and diverse. Occupying most of the northern portion (precisely 41%) of the continent of North America, Canada is the world's second largest country in total area after Russia.
Canada spans an immense territory between the Pacific Ocean to the west and the Atlantic Ocean to the east (hence the country's motto), with the United States to the south (contiguous United States) and northwest (Alaska), and the Arctic Ocean to the north; Greenland is to the northeast. Off the southern coast of Newfoundland lies Saint-Pierre and Miquelon, an overseas community of France. Since 1925, Canada has claimed the portion of the Arctic between 60°W and 141°W longitude to the North Pole; however, this claim is not universally recognized.
Covering 9,984,670 km² or 3,855,103 square miles (Land: 9,093,507 km² or 3,511,023 mi²; Water: 891,163 km² or 344,080 mi²), Canada is slightly less than three-fifths as large as Russia, less than 1.3 times larger than Australia though slightly smaller than Europe, and more than 40.9 times larger than the UK. In total area, Canada is slightly larger than the US and (both in turn) China; however, Canada is somewhat smaller than both in land area (China is 9,596,960 km² / 3,705,407 mi² and the US is 9,161,923 km² / 3,537,438 mi²), ranking fourth.
The northernmost settlement in Canada (and in the world) is Canadian Forces Station (CFS) Alert (just north of Alert, Nunavut) on the northern tip of Ellesmere Island – latitude 82.5°N – just 834 kilometres (518 mi) from the North Pole.
The magnetic North Pole lies within Canadian boundaries; however, recent measurements indicate it is moving towards Siberia.
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Appalachian Mountains
- Main articles: Appalachian Mountains
The Appalachian mountain range extends from Alabama in the southern United States through the Gaspé Peninsula and the Atlantic Provinces, creating rolling hills indented by river valleys. It also runs through parts of southern Quebec. Prince Edward Island, in contrast to its neighbouring provinces, is comprised entirely of sedimentary sandstone.
The Appalachian mountains (more specifically the Notre-Dame and Long Range Mountains) are an old and eroded range of mountains, approximately 380 million years in age. Notable mountains in the Appalachians include Mount Jacques-Cartier (Quebec, 1,268 m / 4,160 ft) and Mount Carleton (New Brunswick, 817 m / 2,680 ft). Parts of the Appalachians are home to a rich endemic flora and fauna, and are considered to have been nunataks during the last glaciation era.
Great Lakes and St. Lawrence Basin
- Main articles: Great Lakes and St. Lawrence River
The southern parts of Quebec and Ontario, in the section of the Great Lakes and St. Lawrence basin often called St. Lawrence Lowlands, is another particularly rich sedimentary plain. Prior to its colonization and heavy urban sprawl of the 20th century, this area was home to large mixed forests covering a mostly flat area of land between the Appalachian Mountains and the Canadian Shield Most of this forest has nowadays been cut down through agriculture and logging operations, but the remaining forests are for the most part heavily protected.
While the relief of these lowlands is particularly flat and regular, a group of batholites known as the Monteregian Hills are spread along a mostly regular line across the area. The most notable are Montreal's Mount Royal and Mont Saint-Hilaire. These hills are known for a great richness in rare minerals.
Canadian Shield
- Main article: Canadian Shield
The northern parts of Saskatchewan, Manitoba, Ontario, and Quebec, as well as most of Labrador, the mainland portion of the province of Newfoundland and Labrador, are located on a vast rock base known as the Canadian Shield. The Shield mostly consists of eroded hilly terrain and contains many important rivers used for hydroelectric production, particularly in northern Quebec and Ontario. The shield also encloses an area of wetlands, the Hudson's Bay lowlands. Some particular regions of the Shield are referred as mountain ranges. They include the Torngat and Laurentian Mountains.
The Shield cannot support intensive agriculture, although there is subsistence agriculture and small dairy farms in many of the river valleys and around the abundant lakes, particularly in the southern regions. Boreal forest covers much of the shield, with a mix of conifers that provide valuable timber resources. The region is known for its extensive mineral reserves.
Canadian Interior Plains
- Main article: Canadian Prairies
The Canadian prairies are part of a vast sedimentary plain covering much of Alberta, southern Saskatchewan, and southwestern Manitoba, as well as much of the region between the Rocky Mountains and the Great Slave and Great Bear lakes in Northwest Territories. The prairies generally describes the expanses of (largely flat) arable agricultural land which sustain extensive grain farming operations in the southern part of the provinces. Despite this, some areas such as the Cypress Hills and Alberta Badlands are quite hilly.
Western Cordillera
- Main articles: Rocky Mountains, Pacific Coast Ranges
The Canadian cordillera, part of the American cordillera, stretches from the Rocky Mountains in the east to the Pacific Ocean.
The Canadian Rockies are part of a major continental divide that extends north and south through western North America and western South America. The Columbia and the Fraser Rivers have their headwaters in the Canadian Rockies and are the second and third largest rivers respectively to drain to the west coast of North America. Immediately west of the mountains is a large interior plateau encompassing the Chilcotin and Cariboo regions in central BC (the Fraser Plateau) and the Nechako Plateau further North. The Peace River Valley in northeastern British Columbia is Canada's most northerly agricultural region, although it is part of the prairies. The dry, temperate climate of the Okanagan Valley in South central BC provides ideal conditions for fruit growing and a flourishing wine industry. The southern Okanagan contains Canada's only desert. This arid grassland is a continuation of the intermontane desert which extends from Mexico north through the U.S. and ends just north of Osoyoos BC. Between the plateau and the coast is a second mountain range, the Coast Mountains.
On the south coast Vancouver Island is separated from the mainland by the continuous Juan de Fuca, Georgia, and Johnstone Straits. Those straits include a large number of islands, notably the Gulf Islands. North, near the Alaskan border, the Queen Charlotte Islands lie across Hecate Strait from the Bella Coola region. Other than in the plateau regions of the interior and the river valleys, most of British Columbia is coniferous forest.
Canadian Arctic
- Main article: Northern Canada
While the largest part of the Canadian Arctic is composed of seemingly non-stop permanent ice and tundra north of the tree line, it encompasses geological regions of varying types: the Innuitian Region (with the British Empire Range and the United States Range on Ellesmere Island) contains the northernmost mountain system in the world. The Arctic lowlands and Hudson Bay lowlands comprise a substantial part of the geographic region often designated as the Canadian Shield (in contrast to the sole geologic area). The ground in the Arctic is mostly composed of permafrost, making construction difficult and often hazardous, and agriculture virtually impossible.
The Arctic, when defined as everything north of the tree line, covers most of Nunavut, and the northernmost parts of Northwest Territories, Yukon, Manitoba, Ontario, Quebec, and Labrador.
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