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A drainage basin is an area of land that contributes the water it receives as precipitation to a river or network of rivers.

Old Crow Basin is an important geographic feature in the natural history and human history of Canada

James Bay is the southern appendage of Hudson Bay. It is about 160 km wide between Pointe Louis-XIV on the east coast and Cape Henrietta Marie on the west.

The importance of Beringia is twofold: it provided a pathway for intercontinental exchanges of plants and animals during glacial periods and for interoceanic exchanges during interglacials; it has been a centre of evolution and has supported apparently unique plant and animal communities.

 New Caledonia ("New Scotland"), was a name given in 1806 to the central and highland plateau area of BRITISH COLUMBIA by Simon FRASER, a partner, trader and explorer in the NORTH WEST CO.

The Canadian Shield refers to the exposed portion of the continental crust underlying the majority of North America. The crust, also known as the North American Craton, extends from northern Mexico to Greenland and consists of hard rocks at least 1 billion years old. With the exception of the Canadian Shield, the rocks of the North American Craton are buried deep within the continent and covered by soil and other material. At 5 million km2, the Shield makes up roughly 50 per cent of Canada’s land mass. Shaped like a horseshoe — or the shields carried during hand-to-hand combat — the Canadian Shield extends from Labrador in the east to include nearly all of Québec, much of Ontario and Manitoba, the northern portion of Saskatchewan, the northeast corner of Alberta, much of the Northwest Territories and Nunavut and into the Arctic Archipelago. (It also reaches into parts of the United States, in New York, Wisconsin and Minnesota.) While at times a barrier to settlement, the Shield has also yielded great resources, including minerals, coniferous forests and the capacity for hydroelectric developments.

The Cassiar District lies in British Columbia's northwest corner; it historically encompasses the Stikine and Dease River watersheds and that of the upper Taku, NASS and Kechika.

The vegetation is of the tundra type, with outliers of the boreal spruce forest; willow thickets line the course of the Old Crow River.

The paucity of precipitation in deserts is due to one or a combination of causes.

Prairie farmers, as they cope with continuing drought, might wonder just whose brilliant idea it was to farm the area. Recurrent droughts are the largest source of risk, uncertainty and hardship in the Western Canadian economy.

Eastmain (or East Main) refers to the east shore of Hudson Bay, although in the 1680s the term was restricted to the vicinity of the Eastmain River. The corresponding reference to the west shore of Hudson Bay is the Westmain (West Main).

Foothills, a region of rolling, undulating or hilly terrain lying between an area of plains and a mountain range.

Main Forest TypesWorldwide there are 3 main forest types related directly to climatic zones: equatorial- and tropical-region forests, temperate-zone forests, and forests associated with colder climates.

A forest region is a major geographic belt or zone characterized by a broad uniformity both in physiography and in the composition of the dominant tree species. Canada can be divided into eight forest regions.

The lowland is formed from both glacial and alluvial deposits laid down more than 10 000 years ago as a delta at the mouth of a much larger postglacial Fraser River.

Height of land, a region of high ground that may act as a watershed.

Formed of ancient Precambrian rocks and heavily glaciated during the Quaternary (1.65 million to 10 000 years ago), the mountains support more than 70 small glaciers, the southernmost in eastern North America.

Although the other limits are less well defined, the highlands may be considered to extend 100-200 km northward from the scarps and to stretch from the Gatineau River in the west (mean elevation 400 m) some 550 km to the SAGUENAY RIVER in the northeast.

Holland Marsh, 2900 ha of organic (muck) soil, is located near Bradford West Gwillimbury, Ont, 50 km north of Toronto.

The vegetation is low arctic tundra in the N, dominated by dwarf shrubs and grasses, and woodland in the S, consisting of scattered, stunted spruce with a lichen carpet. The summer range and calving grounds of the large Bluenose caribou herd lie within this region.