Population and resources 1

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  • How and why does the number and rate of growth of population vary over space and time?
    • Natural Increase
      • Natural increase is the increase or decrease in population without human intervention
      • Defined as B.R-D.R+ Net Migration
        • B.R is number of children born per 1000 per year
        • Net migration is net number of people entering/ leaving per year
      • 2% or more is high
    • Social factors of pop change
      • Status of women
      • Cultural norms
      • Health
      • Religion
      • Education
      • Age of marriage
    • Economic factors of pop change
      • Economic structure
      • Level of industrialisation
      • Career aspirations
    • Political factors of pop change
      • Status of women
      • Population management
      • Migration
    • Effect of pop on resources
      • Overpop leads to a strain on resources and technology, and often overexploitation
      • Underpopulaiton leads to less efficient or misuse of resources in an area
      • Neo-Malthusianism states that more people=less resources per person,  and therefore pop decrease
      • Resource optimists say an increased demand leads to better technology and supply
    • Bangladesh
      • Pop of 155 million
      • Widespread poverty and unemployment
      • However, improvements in healthcare and education
      • Massive overpopulation- Density of 1034 per km squared
      • However, F.R has fallen from 7 in 1970 to 2.4 today
      • However, economy is growing
    • U.K
      • Tax breaks and better maternal/paternal packages
      • Immigration accounts for 2/3 of pop increase
      • Net migration rose from 61000 to 200000 from 2000 to 2007
      • Pop increase in recent years
      • Total pop growth rate is 0.8%
      • Recent increase largely due to migration from EU
    • Philippines
      • Fertility rates remained high
      • Government has blamed influence of relgion
      • More likely to be low economic growth, lack of education, and unemployment


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