Handout 7 - Population and Migration Test 2 Flashcards
What is arithmetic density?
the number of people per unit of area
What is physiological density?
the density of people per unit of cropland
Is there a correlation between population density and national welfare?
Not any more - much of the world economy no longer relies on farming, land is less important that the productivity. Political and economic considerations are central
What is carrying capacity?
The number of individuals of a given species that an area’s resource can sustain indefinitely without significantly depleting or degrading those resources.
What is crude birth rate?
the annual number of live births per 1,000 people
what is crude death rate?
the annual number of death per 1,000 people
What is total fertility rate (TFR)?
measures the fertility of an average group of women moving through their childbearing years.
What is rate of natural increase/decrease?
the difference between the crude birth rate and the crude death rate
what is net migration rate?
Immigration - (minus) Emigration
What is life expectancy?
the average number of years that a newborn baby within a given population can expect to live
What is immigration?
when people move to a place from somewhere else.
What is emigration?
departure, of persons from one place
What is net migration rate?
measure of the difference between the number of immigrants and the number of emigrants in a country or an area.
What is demographic equation?
equation which helps determine the change in population over a period of time.
What is demographic transition?
defines a pattern of growth that exhibits four distinct stages