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North America.

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Presentation on theme: "North America."— Presentation transcript:

1 North America

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3 United States: density and distribution
Population Density = 87 people/sq. Mile Northeast & Great Lakes regions = MORE densely populated Historic centers of commerce and industry Pacific Coast Mild climate and economic opportunity Subarctic region of Alaska, Great Basin, & parts of arid/semi-arid Great Plains = least densely populated American South & Southwest = fastest growing areas (Sunbelt)

4 The Sunbelt of the u.s. Area nicknamed the Sunbelt because of mild climate Draws people to growing manufacturing, service & tourism industries Proximity to Mexico & Caribbean draws immigrants to region

5 Urban areas of the u.s. Urbanization – movement of people from rural to urban areas Mechanized agriculture = fewer workers needed = move to cities to find job Metropolitan Area – includes a city with a population of at least 50,000 people & outlying communities called suburbs Most people in the U.S. live in metropolitan areas

6 Urban areas of the u.s. Urban Sprawl – As metropolitan areas become crowded, leads to the further spread of people & suburban development Megalopolis – a “great city” that is made up of several large & small cities U.S. population clusters in coastal areas where strong economies are linked to world trade & can support large populations Example – area between Boston & Washington, D.C. along Atlantic coast called Boswash megalopolis

7 Urban Sprawl Increasing area of concern
Caused by unrestricted growth with no plans to contain it Cheap gas = travel farther for jobs Prefer cars to mass transit Causing crumbling infrastructure Sustainable Communities: turn suburbs into community where residents can live and work in harmony with the environment Cuts down on commuting

8 Where Americans Live 80% of Americans live in cities or surrounding suburbs Rural to cities to suburbs Because of automobiles Northeast = gateway to America b/c of its position on Atlantic Coast South = switching from agricultural to industrial region = growing cities West = ½ of land area, 1/5 of population Most rapidly growing region in U.S.

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10 Canada: density & distribution
Most of Canada inhospitable due to rugged terrain and bitterly cold climate 90% of population lives along US-Canada border Average population density = 9 people/sq. Mile Most densely populated areas near waterways & places that support agriculture Past 100 years internal migrations to Prairie Provinces – Manitoba, Saskatchewan & Alberta Due in part to discovery of oil & natural gas in 1960’s

11 Where Canadians Live Harsh environment & accessibility to transportation routes influences population settlement Port cities & farmland = most densely settled 80% of Canadians live on 10% of land Most on 100 mile-wide strip of land along border Increasingly urban population 75% French-Canadians = Quebec Natives live on reserves Canadians with Asian ancestry = West Coast

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13 Canada: Urban areas Most population lives in urban areas
Toronto – largest city, industrial & financial center Montreal – industrial & shipping center, ships reach inland through St. Lawrence & Ottawa Rivers & Great Lakes Vancouver – handles nearly all trade between Canada & Asia Edmonton – grew with development of petroleum industry

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