Population Geography and Migration Factors

These flashcards cover key vocabulary and concepts related to population geography, migration, and various densities influencing population studies.

Ecumene

The inhabited land of the earth where people are settled.

Arithmetic Density

The total number of objects in a given area.

Physiological Density

The number of people supported by a unit area of arable land.

Agricultural Density

The ratio of the number of farmers to the amount of arable land.

Carrying Capacity

The maximum population size of a species that the environment can sustain.

Overpopulation

A situation where there are not enough resources to support a population.

Epidemiological Model

A model that explains how society has developed and how/why death rates change.

Crude Birth Rate (CBR)

The number of live births per one thousand people in the population.

Malthus Theory

The theory that population increases geometrically while food supply increases arithmetically, leading to potential overpopulation.

Neo-Malthusian Theory

The belief that the earth's resources can only support a finite population.

Infant Mortality Rate (IMR)

The number of children who do not survive their first year of life per 1,000 live births.

Demography

The study of population and its dynamics.

Push Factors

Forces that drive people away from a place, such as no jobs or political instability.

Pull Factors

Forces that attract people to migrate to a place, such as job opportunities.

Asylum Seeker

A person seeking residence in another country due to persecution.

Chain Migration

A series of migrations within a group that begins with one person and pulls others to the same area.

Transhumance

The seasonal movement of livestock between fixed summer and winter pastures.

Internally Displaced Persons

People who are forced to flee their home but remain in their home country.

Voluntary Migration

Migration in which individuals choose to move freely, rather than being forced.

Guest Worker

A legal immigrant allowed to work in a country for a limited time.

Dependency Ratio

The ratio of dependents (people not in the workforce) to producers (people working).