APHG migration and population
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Created by:
williamsjb on September 21, 2011
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43 terms
Terms | Definitions |
|---|---|
 activity space | The area where activities take place. |
| awareness space | knowledge of opportunity locations beyond normal activity space |
| brain drain | Large-scale emigration by talented or skilled people. |
| chain migration/ migration ladder | migration of people to a specific location because relatives or members of the same nationality previously migrated there |
| channelized migration | when one family member migrates to a new country and the rest of the family follows shortly after |
| circulation | the spread or transmission of something (as news or money) to a wider group or area |
| counter migration | the return of migrants to the regions from which they earlier emigrated |
| demographic equation | An equation that summarizes the amount of growth or decline in a population within a country during a particular time period taking into account both natural increase and net migration |
| distance decay | The diminishing in importance and eventual disappearance of a phenomenon with increasing distance from its origin. |
| emigration | Movement of individuals out of a population |
| friction of distance | The increase in time and cost that usually comes with increasing distance. |
| forced migration | human migration flows in which the movers have not choice but to relocate |
| gravity model | A mathematical formula that describes the level of interaction between two places, based on the size of their populations and their distance from each other. |
| guest workers | citizens of poor countries who obtain jobs in Western Europe and the Middle East |
| intervening obstacle | An environmental or cultural feature of the landscape that hinders migration. |
| immigration | migration into a place |
| internal migration | Permanent movement within a particular country. |
| internally displaced person (IDP) | a person who is forced to flee from home but seeks refuge elsewhere in the country of origin |
| international migration | Permanent movement from one country to another. |
| interregional migration | Permanent movement from one region of a country to another. |
| intraregional migration | Permanent movement within one region of a country. |
| migration | the movement of persons from one country or locality to another |
| migration stream | A constant flow of migrants from the same origin to the same destination. |
| migration selectivity | Only people exhibiting certain characteristics in a population choosing to migrate. |
| migration transition | Change in the migration pattern in a society that results from industrialization, population growth, and other social and economic changes that also produce the demographic transition. |
| mobility | All types of movement from one location to another. |
| movement bias | an aggregate regularity of flow, any aggregate control on or regularity of movement of people, commodities, or communication |
| net migration | The difference between the level of immigration and the level of emigration. |
| personal space | the surrounding area over which a person makes some claim to privacy |
| place perception | the awareness we have, as individuals, of home and distant places and the beliefs we hold about them |
| place utility | adding value to products by having them where people want them. |
| pull factors | positive conditions and perceptions that effectively attact people to new locations from other areas |
| push factors | a factor that causes people to leave their homelands and migrate to another region |
| quotas | established limits by governments on the number of immigrants who can enter a country each year(not including refugees) |
| refugees | People who are forced to migrate from their home country and cannot return for fear of persecution because of their race, religion, nationality, membership in a social group, or political opinion. |
| return migration | The return of migrants to the regions from which they earlier emigrated |
| space-time prism | The set of all points that can be reached by an individual given a maximum possible speed from a starting point in space-time and an ending point in space-time. |
| spatial interaction | the movement of people, goods and ideas within and across geographic space |
| spatial search | the process by which individuals evaluate the alternative locations to which they might move |
| step migration | migration to a distant destination that occurs in stages |
| undocumented immigrants | Also known as illegal immigrants; migrants who enter a country without proper documentation. |
| urbanization | movement of people from rural areas to cities |
| voluntary migration | movement in which people relocate in response to perceived opportunity; not forced. |
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