Unit 2 vocab Flashcards
test Friday 1/31 (23 cards)
Agricultural density
The total number of farmers per unit of arable land
Antinatlist
Describing attitudes or policies that discourage child bearing as a mean of limiting population growth
Anthemetic density
The total number of people per unit area of land; also called crude density
Asylum
The right to protection in a country
Brain drain
The loss of trained or education people to the lure of work in another -often richer-country
Carrying capacity
The maximum population size an environment can sustain
Chain migration
Type of migration in which people move to a location because others from their community have previously migrated their
Circular migration
Migration pattern in which migrant worker move back and forth between their country of origin and the destination country were they work temporary jobs
Crude birth rate (CBR)
The number of births in a given year per 1000 people in a given population
Crude death rate (CDR)
The number of deaths in a given year per 1000 people in a given population
Demographic transition model (DTM)
A model that represents shifts in the growth of they worlds population based of population trend related to birth rate and death rate
Dependency ratio
The number of people in a dependent age group (under age 15 or age 65 and older) divide d by the number of people in the working age group (15,65) multiply by 100
Distance decay
A principle stating that the farther away one thing is from another the less interaction the two things will have
Doubling timing
The number of years in which a population growing at a certain rate would double
Emigration
The movement away from a location
Epidemiological transition model (ETM)
A model that describe change in fertality , mortality , life expectancy and population age distribution , largely as the result of changes in causes of death
Forced migration
Type of migration in which people are compelled to move by economics , political environmental or cultural factors
Friction of distance
A concept that states that the longer the journey is, the more time , effort and cost it will involve
Gravity model
a model that predicts the interaction between two or more places : geographers derived the model from newtons law of universal gravitation
Guest workers
A migrant who travels to a new country as a temporary labor
Human migration
The permanent movement of people from one place to another
Human trafficking
Defined by the United nations as the recruitment transportation harboring or receipts of person improper means( such as force , abduction frauds, or coercion )
