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The abandonment of cities by affluent or middle-class white residents

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population movement in which people relocate in response to percieved oppurtunity, not because they are forced to move

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moving from one country or region to another

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a seasonal periodic movement of pastoralists and their livestock between lowland and highland pastures

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migration to a distant destination that occurs in stages. For example, from farm to nearby village to town to city

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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

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people who have been dislocated involuntarily from their original place of settlement

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those that pull you towards a certain destination, such as weather, economy, and family & those that push you away from your current abode, such as weather, economy, and family

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a form of migration that involves intermittent but recurrent movement, such as temporary relocation for college or service in the military

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human relocation movement from a source to a destination without a return journey, as opposed to cyclical movement

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the movement of people from the countryside to the city.

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migration flow within a certain country or state

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migration flow involving movement across international borders

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The presence of a nearer opportunity that greatly diminishes the attractiveness of sites farther away

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migration flow within a nation-state, such as ongoing westward and southward movements in the US

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predicts that the optimal location of a service is directly related to the number of people in the area and inversely related to the distance people must travel to access it

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human migration flows in which the movers have no choice but to relocate

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the various degenerative effects of distance on human spatial structures and interactions

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movement that has a closed route and is repeated annually or seasonally

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the social process by which immigrants from a particular town follow one another to a different city