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Mapa mental

Malthus and Boserup

Joanne Spain Geography AS - Level Inglés

Malthus and Boserup

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Malthus and Boserup

  1. Malthus

    • Malthus' Theory
      • Malthus stated that food is a significant factor on human existence
      • He argued that human population was growing at a rate that the Earth could not keep up to produce enough food
      • To obtain a sustainable planet, the number of population and sources of food should keep at an equal rate
      • It was believed that population grows at a geometric rate
        • 1 2 4 8 16 32
        • It was believed that food grew at an arithmetic rate
          • 1 2 3 4 5 6
    • Malthus' background
      • Influential public figure who expressed theories on population growth
      • Studied for a master's degree at Cambridge in 1771
      • Became a professor of history and political economics in 1806
      • His best known work was 'An Essay on the Principle of Population' published in 1798
    • What were the checks?
      • Malthus though that once population had reached a certain point, that population growth would be slowed down by various factors (positive and negative checks)
        • Negative checks- Factors that decreased the birth rate
          • Couples waiting longer to get married
        • Positive checks- Factors that increased the death rate
          • Famine
    • Was he correct?
      • In 1974, global population reached 4 billion people, five billion by 1987 and by 1999 reached 6 billion. This supports the idea of Malthus' geometric rate as the population is becoming bigger in smaller intervals
      • Within Africa there is a population crisis, which involves a lack of food, overcrowded schools and a number of different wars. In this case, Malthus' prediction on strain of resources was correct
      • More economically developed countries such as the Uk has avoided a population crisis due to its wealth. Malthus did not predict that money would be a key part in development to allow countries to use their resources more effectively
  2. Boserup

    • Boserup's background
      • Respected Danish economist
      • Studied at the University of Copenhagen, in 1929 where she studied theoretical economics
    • Was she correct?
      • It has been argued that an advance in technology such as GM crops, irrigation and the 'Green revolution' were down to the pressure of finding resources
      • Boserup did not accept that and increase in population could lead to unsustainable sources of farming
    • Boserup's Theory
      • Boserup believed that with population growth, comes an advance in technology and knowledge, allowing us to increase resource supplies
      • Boserup decided that the pressure of a growing population forced us to become more productive and efficient

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  • Malthus and Boserup

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AS - Level (Population change) Geography Mapa Mental sobre Malthus and Boserup, creado por Joanne Spain el 11/05/2016.
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Joanne Spain
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