Friday, November 25, 2016
POPULATION DENSITY
Why do people choose to live in some places and not in others?
In the next tables you can find some reasons for explaning people's distribution.
In the next tables you can find some reasons for explaning people's distribution.
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PHYSICAL
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Densely populated
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Examples
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Sparsely populated
|
Examples
|
|
Relief
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Flat plains and low-lying undulating
areas
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Bangladesh
|
High, rugged mountains
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Andes
|
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Broad river valleys
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Ganges Valley
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Worn-down shield lands
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Canadian Shield
|
|
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Foot hills of active volcanoes
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Etna, Pinatubo
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|
|
|
|
Climate
|
Evenly distributed rainfall
with no temperatures extremes
|
North-west Europe
|
Limited annual rainfall
|
Sahara Desert
|
|
Areas with:
1.high sunshine totals
2.heavy snowfall for tourism
|
1.Spanish coast
|
Low annual temperatures
|
Greenland
|
|
|
2.-Swiss alpine valleys
|
High annual humidity
|
Amazon rainforest
|
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Seasonal monsoon rainfall.
|
Bangladesh
|
Unreliable seasonal rainfall
|
Sahel
|
|
|
Vegetation
|
Grassland (ease to clear/farm)
|
Paris Basin
|
Forest
|
Amazonia, Canadial Shield
|
|
Soil
|
Deep fertile silt left by
rivers
|
Nile Valley and Delta
|
Thin soils in mountainous or
glaciated areas.
|
Northern Scandinavia
|
|
Volcanic soils
|
Etna
|
1.Laking humus
2.affected by leaching
|
1.Sahel
2.Rainforest
|
|
|
Natural resources
|
Mineral, e.g. coal, iron ore
|
Pennsylvania, Johannesburg
|
Lacking minerals
|
Ethiopia
|
|
Energy supplies, e.g. HEP
|
Rhône Valley
|
Lacking energy supplies
|
North-east Brazil
|
|
|
Water supply
|
Reliable supplies
|
North-west Europe
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Unreliable supplies
|
Afganistan
|
|
Natural routes
|
Gaps through mountains,
confluence of valleys.
|
Rhine Valley, Paris
|
Mountain barrier
|
Himalayas
|
|
HUMAN
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|
|
Densely populated
|
Examples
|
Sparsely populated
|
Examples
|
|
Economic
|
Ports
|
New
York, Sydney
|
Limited
facilities for ports
|
Bangladesh
|
|
Good
roads, railways, airports
|
Germany,
California
|
Poor
transport links
|
Himalayas
|
|
|
Industrial
areas (traditional)
|
Pittsburgh,
Ruhr
|
Lack
of tourist development
|
Sudan
|
|
|
Development
of tourism
|
Banff(Canada),
Jamaica
|
Lack
of tourist developments
|
Iraq
|
|
|
Money
available for new high-tech industries.
|
California,
south of France
|
Lack
of government investment
|
Nepal,
Gaza
|
|
|
Political
|
Government
investment
|
Tokyo
region, north Italy
|
Lack
of government investment
|
Dem.
Rep. of Congo
|
|
New
towns
|
Satellite
towns around Cairo, Brasilia
|
Depopulation
of rural and old industrial areas
|
North-east
Brazil, Belgian coalfield
|
|
|
Reclamation
of land
|
Hong
Kong Island, Dutch polders
|
Loss
of land, e.g. deforestation, and soil erosion
|
Amazonia,
Apennines, Sahel
|
|
|
Social
|
Better
housing opportunities
|
Arizona
|
Poor
housing opportunities
|
Afghanistan,
Soweto
|
|
Education
, health facilities, entertainment
|
Sydney,
Milan
|
Limited
education, health facilities, entertainment
|
Rwanda
|
|
|
Retirement
areas
|
Spanish
costas, Canary Islands
|
Poor
facilities for retirement
|
Eritrea
|
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