Population Dynamics

Population Dynamics

Population Explosion
1. This is referring to the recent, dramatic, increase in the global population
2. Reasons for the Growth
  1. Due to modern medicine people are living for longer
  2. Food Production has increased worldwide due to a better understanding of agriculture
  3. Death rates are falling faster than birth rates
  4. In LEDC's large families are still commonplace despite to offset the extra labor they undertake, despite the dramatic increase in life expectancy
Main Factors of Population Growth
1. Birth Rate
  1. The number of births per year, per 1000 population
2. Death Rate
  1. The number of deaths per year, per 1000 population
3. Migration
  1. The permanent, seasonal or temporary movement of people
4. Resources
  1. The more resources a country has, the more children people have.
  2. Underpopulation
    1. When a country or region has more resources available than are being used by the people living there
    2. Problems
      1. Restricts economic growth
      2. Can be unstable if the dependency rate is too high
      3. Restricts social growth
      4. Population won't be able to fill all the jobs that are needed
  3. Overpopulation
    1. When a country or region does not have enough resources to keep its people living at a reasonable standard
    2. Problems
      1. Not enough housing
      2. High crime rates
      3. Not enough health care
      4. Not enough education
      5. Congestion
      6. Shortage of food and water
      7. Water and air pollution
The Impact of HIV on Growth Rates
1. HIV drastically increases death rates all around the world, the most severe of which can be seen in Africa
2. HIV spawned in Africa and the USA, then being transferred through the Middle East and South America.
3. MEDCs where HIV is still prevalent are USA and Russia
4. In Africa, HIV is present everywhere
  1. The most infected areas are along the southern coast
    1. 11-20% infected
    2. Some of the countries have an infection rate of +20%
  2. Central Africa is less infected
    1. 1-5% infected
    2. Exceptions
      1. Kenya
      2. Tanzania
      3. Gabon
      4. Cameroon
      5. Central African Republic
5. Social and Economic Impacts
  1. Drastically reduces the work force
  2. Weakens economy
  3. Taboo against women, as they account for 58% of the infected population
  4. Amount of deaths leaves behind many orphans
6. Prevention of AIDS
  1. Educating the teenage population of the symptoms and treatments
  2. Public advertisement about contraception
  3. Personal testing kits
  4. Quarantine for highly infected areas

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	Creado por gdrake91 hace casi 12 años