IB Geography: Population: Migration Models

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  • + guestae56772 guestae56772 9 months ago
    guestf10de5 really knows his/her thing
    i do geo so i shud know
  • + guest044508 guest044508 2 years ago
    great slides!! really helped me prepare for the exam. thankyoumuchly!
  • + guestf10de5 guestf10de5 2 years ago
    this is great. however, FYI, there are more of ravenstein’s laws. this is slightly reworded from the textbook Geography - An Integrated Approach, by David Waugh:

    1. Distance decay: most migrants travel short distances and their numbers decrease with distance.

    2. Migration occurs in waves; the vacuum left when one group leaves will later be filled by people moving in.

    3. The process of emigration is the inverse of immigration.

    4. There is a two-way movement of people moving in and out of locations – the balance is called net migration.

    5. Longer journeys are more likely to end up in a major city.

    6. Rural dwellers migrate more than urban dwellers.

    7. Females migrate more than males within their home country; males are more likely to move far away.

    8. Most migrants follow a step movement, rather than one traumatic jump from village to major city.

    9. Rural-to-urban migration is increasing.

    10. Economic factors are the main reasons for migration.

    11. Most migrants are 20-34 years old.

    12. Males are more mobile because in many societies (except developed countries), females are expected to remain home.

    13. Increasing numbers of migrants are forced to live on the streets due to lack of accomodation.

    also, please post if you know of any other IB geo exam help online!!!!!!!
  • + guest7537d8 guest7537d8 2 years ago
    thanks man ive been lookin for this sheet for ma assignmen ya great dood
  • + guestcd578b guestcd578b 2 years ago
    love it :D

  • + guest7e539e guest7e539e 3 years ago
    Awesome stuff! Thanks loads :)

  • + dualityku dualityku 3 years ago
    really useful
  • + alicia89 alicia89 3 years ago
    Really helpful for my exam prep--thanks so much!
  • + jacksonthree jacksonthree 3 years ago
    Really useful -Thanks, Sue
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IB Geography: Population: Migration Models - Presentation Transcript

  1. Migration Models
    • Patterns of Movement
    • Reason for Movement
  2. Push and Pull Factors Push Factor / Push Forces Pressures which persuade a person to move away from an area. Pull Factor / Pull Forces Those which attract the migrant to a particular destination.
  3. Reason for Movement
  4. Pull Simple Migration Model Push Migration Location A Location B
  5. Lee’s Migration Model Source: Adapted from Global Challenge. Alistair McNaught and Michael Witherick. Longman. 2001. Intervening Obstacles Does not isolate particular push and pull factors. Each site has a range of attributes. Different people will have different perceptions of the factors. Real / Perceived Location A Location B + - 0 + - 0 Intervening Place ? + - 0
  6. Lee’s General Migration Model Source: Population, Resources and Development. Jane Chrispin and Francis Jegede. Collins Educational.1996.
  7. Gravity Model Based upon Newton’s law of Universal Gravitation “ The number of people moving between places A and B is equal to the population of A multiplied by the population of B divided by the square of the distance between them.” The potential number of migrants will be bigger where the population of the of departure and and arrival are large. The friction of distance acts as a break.
  8. Todaro Model Economic factors are the most influential of the push-pull factors. Individual migrants weigh up the economic costs and benefits. Policy makers can slow rural urban migration by creating investment and new employment opportunities in rural areas.
  9. Patterns of Movement
  10. Ravenstein’s Law Studied patterns of migration in the UK in the 1880s. The model is based on a series of predictive statements. Number One Most migrants move only relatively short distances. There is an inverse relationship between the number of migrants and distance travels. Distance decay.
  11. Number Two People who do move long distances are largely unaware of the opportunities that are available at their destination. So … they tend to move to large urban centres. Number Three Migration occurs in stages. Number Four People in rural areas are much more likely to migrate than those in urban centres. Based on the exponential growth of cities (natural increase + rural-urban migration).
    • Number Five
    • A typical migrant:
    • Women are more likely to migrate within their county than men.
    • Men are more likely to emigrate than women.
    • Most migrants are adult.
  12. Step Migration
  13. Step Migration
  14. Circular Migration Migrants do not settle permanently in their new homes. Leave rural home at time of unemployment returning periodally with money.
  15.  

+ Richard AllawayRichard Allaway, 4 years ago

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