Population Geography Population Growth, Distribution, and Density.
POPULATION DISTRIBUTION. The way people are spread out across the earth FACTORS INFLUENCING...
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Transcript of POPULATION DISTRIBUTION. The way people are spread out across the earth FACTORS INFLUENCING...
![Page 1: POPULATION DISTRIBUTION. The way people are spread out across the earth FACTORS INFLUENCING POPULATION DISTRIBUTION Physical conditions of place Level.](https://reader030.fdocuments.in/reader030/viewer/2022033100/56649d8a5503460f94a710f7/html5/thumbnails/1.jpg)
POPULATION DISTRIBUTION
![Page 2: POPULATION DISTRIBUTION. The way people are spread out across the earth FACTORS INFLUENCING POPULATION DISTRIBUTION Physical conditions of place Level.](https://reader030.fdocuments.in/reader030/viewer/2022033100/56649d8a5503460f94a710f7/html5/thumbnails/2.jpg)
POPULATION DISTRIBUTION
• The way people are spread out across the earth
FACTORS INFLUENCING POPULATION DISTRIBUTION
• Physical conditions of place
• Level of development of people
![Page 3: POPULATION DISTRIBUTION. The way people are spread out across the earth FACTORS INFLUENCING POPULATION DISTRIBUTION Physical conditions of place Level.](https://reader030.fdocuments.in/reader030/viewer/2022033100/56649d8a5503460f94a710f7/html5/thumbnails/3.jpg)
POPULATION DENSITY OF THE WORLD
Greenland
Amazon Forest
Sahara Desert Ganges Valley
Western Europe
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The world is UNEVENLY DISTRIBUTED.
Densely populated (> 100 persons per sq km)
Moderately populate
Sparsely populated (< 10 persons per sq km)
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Population density
• Number of people living in a square kilometres of land (unit area of land)
• Total Population Total Area
• Will help to determine how crowded a place is.
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Would you like to live in such an environment? Why?
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The Saigon Delta
Why is this place so densely populated?
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Would you like to live here? Why?
AmazonRiver
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Would YOU like to live here?
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Factors affecting population density
• Relief
• Climate
• Soils
• Mineral and energy resources
• Vegetation cover
• Accessibility
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Factors affecting population density
• Densely populated areas
Relief
Low-lying, flat land – good for growing crops, build houses, roads, etc
Example: Nile Delta, Ganges Delta (India)
• Sparsely populated areas
• Relief• High mountainous –
poor – difficult for agriculture and housing
• Example: Mt Everest (Himalayas)
![Page 12: POPULATION DISTRIBUTION. The way people are spread out across the earth FACTORS INFLUENCING POPULATION DISTRIBUTION Physical conditions of place Level.](https://reader030.fdocuments.in/reader030/viewer/2022033100/56649d8a5503460f94a710f7/html5/thumbnails/12.jpg)
Factors affecting population density
• Densely populated areas
• Climate• Temperate –
sufficient temperature and rainfall – allow crops to grow
• Eg Western Europe, most parts of Asia
• Sparsely populated areas
• Climate• Harsh conditions eg
too hot (like desert)• Too cold (like
Antarctica)• Does not allow
cultivation
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Factors affecting population density
• Densely populated areas
• Soils• Fertile, well-drained
soils – good for crops• Eg in deltas of • Chang Jiang (China)• Huanghe (China)• Ganges (India)
• Sparsely populated areas
• Soils• Poor, frozen soil;
cannot grow crops
Eg Tundra regions
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Factors affecting population density
• Densely populated areas
• Vegetation cover• Less dense forest –
easier to clear for agriculture
• Sparsely populated areas
• Vegetation cover• Thick forest eg
Amazon Basin• Difficult to clear
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Factors affecting population density
• Densely populated areas
• Mineral resources• Eg coal in Western
Europe• Eg oil in Brunei
• Sparsely populated areas
• Mineral resources• Lack of minerals /
energy resources
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Factors affecting population density
• Densely populated areas
• Accessibility• Good transport
system • Encourages trade,
tourism, settlement, etc
• Sparsely populated areas
• Accessibility• High mountains, thick
forest hinders accessibility
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Factors affecting population density
• Level of development
• Low level – few people
eg poor farming methods; few factories
• High level – more people
eg offices, high-tech factories … generate more jobs … more people
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Other factors affecting population density
• Government decisions
Examples?