vocab 2 Flashcards
STUDY (50 cards)
Agricultural Density
The total number of farmers per unit of arable land
Antinatalist
Describing attitudes or policies that discourage child-bearing as a means of limiting population growth
Arithmetic density
The total number of people per unit of land also known as crude density
Asylum
The right to protection in a country
Brain drain
The loss of trained or educated people to the lure of work in another -often Richer- country
emigration
Movement away from a location
Circular migration
Migration pattern in which migrant workers move back and forth between their country of origin and the destination country where they work temporary jobs
Carrying capacity
The maximum population size and environment can sustain
Chain migration
The type of migration in which people move to a location because others from their community have previously migrated there
life expectancy
the average number of years a person is expected to live
Crude birth rate
The number of births and a given year per 1,000 people in a given population
Net migration
the difference between the number of emigrants and immigrants in a location, such as a city or a country
Crude death rate
The number of deaths in a given year per 1000 people in a given population
Distance decay
A principle stating that the farther away one thing is from another, the less interaction the two things will have.
Demographic transition model
A model that represents shifts in the growth of the world’s population trends related to birth rate and death rate
Human migration
The permanent movement of people from one place to another
Internally displaced persons
person who has been forced to flee his or her home but remains within the country’s borders
Dependency ratio
The number of people in a dependent age group (15 or 65) divided by the number of people in the working age group multiplied by 100
internal migration
A movement within a country’s borders
doubling time
The number of years in which a population growing at a certain rate would double
intervening obstacle
An occurrence that holds migrants back
Forced migration
type of migration in which people are compelled to move by economic, political, environmental, or cultural factors
Epidemiological transition
model
A model that describes changes in fertility, mortality, life expectancy, and population age distribution, largely as the result of changes in causes of death
gravity model
A model that predicts the interaction between two or more places; geographers derived the model from Newton’s law of universal gravitation
