AP Human Geography Ch. 3 migration
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Created by:
Hkgirlariel on October 27, 2010
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40 terms
Terms | Definitions |
|---|---|
 cyclic movement | shorter periods away from home. begin at one's home base and bring them back to it |
| types of cyclic movement | going to work or school, seasonal movement like Canadian "snow birds" to FL, nomadism (long familiar routes time and time again) |
| periodic movement | involves a longer period of time away from the home base |
| types of periodic movement | migrant labor, transhumance (a system of pastoral farming in which ranchers move livestock according to the seasonal availability of pastures), military service |
| migration | permanent relocation across significant distances |
| international (external) | movement across country borders |
| internal | within a single country's borders. US population is the most mobile in the world |
| forced migration | atlantic slave trade; british convicts shipped to australia; trail of tears |
| reluctant migration | move people from java to other islands |
| voluntary migration | immigration, search for better life/jobs |
| forced; reluctant; voluntary | why do people migrate? |
| ernst ravenstein | laws of migration |
| laws of migration | 1. most immigrants go a short distance 2. longer distance migration favor big city destinations 3. most migration proceeds step by step 4. each migration there is a counter flow, maybe not = 5. most migrants are adults, less likely families when international moves 6. most international migrants are young males |
| short distance | most migrants only go a ______ |
| big city destinations | longer distance migration favors _____ |
| step by step | most migration proceeds _____ |
| counter flow | each migration flow produces a _____ |
| adults; families | most migrants are _____, _____ are less likely to make international moves |
| young males | most international migrants are _____ |
| wilbur zelinsky's migrant transition | international migration: primarily stage 2 of DTM. destinations are societies in stages 3 and 4 internal migration: primarily stages 3 and 4 |
| international migration | primarily occurs in stage 2 of the DTM. destinations are societies in stages 3 and 4 |
| internal migration | primarily stages 3 and 4 of DTM |
| ravenstein's gravity model | predicts interaction between places based on their population size and distance between them. assumes spatial interaction is directly related to the populations and is inversely related to the distance between them. |
| pull factors | are usually the less accurate factors |
| push factors | are usually the more accurate factors |
| distance of decay | matters because the more complete perception of near places than of farther ones |
| economic conditions; political circumstances; armed conflict and civil war; environmental conditions; culture and tradition; technological advances | types of push and pull factors (6) |
| economic opportunities; islands of development | regional migration flows usually in ______ or _____. places within a region of county where most foreign investment goes |
| nigeria | west africa to __ because of the discovery of oil there. |
| 24 million | in 2000, there where over _____ refugees world wide. |
| refugees | move only with the property they can carry with them. the "first" step is usually on foot, bicycle, wagon, or open boat. usually move without official documents |
| refugees | vast majority of the world's migration flow |
| africa south of the sahara | had the largest number of refugees in the early 21st century |
| asia and north america | 2nd ranking area in terms of refugees |
| rwanda (hutu and tutsi), DR congo, uganda, burundi | hostilities between cultural groups |
| liberia and sierra leone | civil wars in west africa |
| sudan | worst refugee crisis in africa today (muslims in north VS. christians and animists--spirit believers--in south) |
| darfur | western sudan |
| darfur | muslim (arab) government VS. christian african sudanese |
| janjaweed | sudanese government funded militia who is guilty of genocide. waging campaign against the darker-skinned africans |
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