vocab Flashcards
agriculture density
total numbers of farmers per unit of arable land
antanatlist
describing attitudes or policies that discourage child bearing as a means of population growth
arithmetic density
the total number of people per unit of arable land; also called crude density
asylum
a visible object or technology that a culture creates.
brain drain
the loss of trained or educated people to the lure of work in another -often richer country.
carrying capacity
the maximum population size an environment can sustain.
chain migration
a type of migration in which migrant people move to a location because others moved from their community have previously migrated there
circular migration
migration pattern in which migrant workers move back and forth between their country of origin and their destination country where they work temporary jobs.
crude birth rate
the number of births in a given year 1,000 people in a given population
crude death rate
the number of death in a given year per 1000 people in a given population
demographic transition model
a model that represents shifts in growth of world population, based on population trends related to birth rte and death rate
dependency ratio
the number of people in a dependent age group (underage 15 or age 65 and older) divided by the number of people in the working group ( ages 15-64) multiplied by 100
distance decay
principle stating that the further away one thing is from another, the less interaction the two will have
doubling time
the number in years in which a population growing at a certain rate would double
emegration
movement away from a location
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, morality, life expectancy, and population age distribution, largely as the result of changes in cause of death
friction of distance
a concept that states the longer the journey is the more time, effort it will cost
gravity model
a model that predicts the interaction between 2 or more places: geographers derived the model from Newton’s law of universal gravitation
guest workers
a migrant who travels to a new country as temporary labor
human trafficking
defined by the united nations as the recruitment, transportation, harboring or receiving a persons by improper means (such as force, abduction, fraud, or coercion)
immigration
movement to a location
human migration
the permanent movement of people from one place to another
interregional migration
movement within a countries borders
interregional migration
movement from one region of s country to another
infant mortality rate
the number of deaths of children under 1 per 1000 live births
internally displaced persons
a person who has been forced to flee his or her home but remains with the countries borders
intervening obstacle
an occurrence that holds migrants back