Karteikarten
Population and Migration
Karten in diesem Stapel (30)
- 1Age distributionThe relative amount of individuals with each age within a population.
- 2Carrying CapacityThe greatest number of people that an area can support
- 3Demographic MomentumThe tendency for an already growing population to continue growing after a fertility decline because of its young age distribution.
- 4Dependency Ratio# of economically dependent people / # of workers
- 5Doubling TimeTime it takes for an area's population to double
- 6EcumenePortion of the Earth occupied by permanent human settlement
- 7J-curvedThe shape of a population graph during exponential growth.
- 8Thomas MalthusBritish economist who predicted a population crisis.
- 9MortalityHow many people die per thousand in the population
- 10Gendered SpaceAreas specifically designed for men or women
- 11Rate of Natural IncreaseCrude Birth Rate - Crude Death Rate
- 12OverpopulationWhen there are more people in an area than the land can support
- 13NatalityBirth Rate
- 14Population DensitiesA measurement of the number of people per some given unit of land.
- 15Population DistributionsThe arrangement of people within a given space.
- 16Population PyramidsVisual representation of age and sex composition of a population
- 17Zero Population GrowthPopulation maintained at constant level; number of deaths offset by number of births
- 18Activity SpaceThe space within which one's daily activity occurs
- 19Chain of MigrationWhen migrants move through kinship links
- 20Cyclic MovementSeasonal or annual migration that has a closed route
- 21Voluntary MigrationWhen people move in response to perceived opportunity, and are not forced
- 22TranshumanceSeasonal periodic movement of pastoralists and their livestock between highland and lowland pastures
- 23Step migrationMigration that occurs in stages
- 24RefugeeSomeone who has fled his or her home country due to persecution in search of asylum
- 25Periodic movementtemporary, recurrent relocation; ex: college attendance
- 26Intervening OpportunityThe presence of a nearer opportunity that diminishes the attractiveness of sites farther away
- 27Gravity ModelA mathematical prediction of the interaction of places, as a function of population and distance
- 28Forced MigrationMigration in which the movers have no choice but to relocate
- 29Distance DecayThe greater the distance, the less interaction
- 30Sex RatioThe number of males per 100 females in the population
Informationen
- Beschreibung
- Karteikarten am Population and Migration, erstellt von Adedoyin am 29/10/2015.
- Erstellt von
- Adedoyin
- Aufrufe
- 2
- Bewertung