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ap human geography population and migration patterns
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this note includes everything about unit 3 of ap human geography
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Population Density Distribution Composition and ScaleDemography is the study of the characteristics of a humanpopulation
Population density is the number of person per unit of land area
Which regions have the most inhabitants The largest cluster lives in East Asia 1.20
with South Asia SouthestAsia andEurope following in order of population
The part of the Earth that is fit for humans to live is called ecumene
Physiologic density the number of persons perunit of agricultural land
This number is helpful because it gives us a rough estimate of how many people a
parcel of farmland can reasonably support It could be useful in studying population pressure
and overcrowding
Agricultural density refers to the number of farmerslivingin rural areas per
unit of agricultural land
Crude density arithmetic density leastusefulstatistic This is
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most useful for homogeneous areas such as single towns that have evenly distributed
populat
Carrying capacity defined as how many people an area cansupport on a
sustained basis relates to density because together they define whether or not
an area is overcrowded
Population distribution is the pattern of where humans live Humans're not
spread evenlythroughout the world
Place Characteristics That Produce Low Population Densities
, I e l
the world's remotestinhabitedisland
Extreme remoteness To hard to access The island of Triston da Cunha
too high or too steep Himalaya mountain peers
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a locations highestandlowest elevations
Infertile land unproductivelandsupports fewerfarmers AmazonRiver Basin tropicalrain
or selva
Extreme Climate
Place Characteristics That Produce High Population Densities
Moderate Climate not too hot or too cold England
Adequate water supply Ample rainfall year round Thailand
Fertile farmland May small farmsfeed manypeople France
mineral resources Provision of jobs raw materials Germory
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Lowlands and river valleys Flat or gently rollingland provides
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tern seaboro China westernEurope
I IT 1 Pulations fm
Migration Is the movement of humans from one place to another
Migrations are usually flightsfrom dangerous or difficult circumstances in
migrant p
Exp After collapse of the USSR large number of refugees fled their homelands
for Western Europe where jobs and new lives as guest workers opened doors of
opportunity for both them andtheir host countries
Migrations also occur between countries on a continent intercontinental
within a country interregional and from rural
countryside
ftp af.erters
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