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unit 2 population:

tabb human geography

baby boom the time period 1946 to 1964 after war world 2 the largest population cohort in us history
baby bust 1960 to 1970 after baby boom dramatic decrease in fertility rates
carrying capacity the numver of people an area can substain without criticly straining the resources
cohort a group of people sharing a common demographic expierence(ex.people born in certain year,our class)
crude birth rate the total number of live births in a year for every 1000 people alive in society.
crude death rate the total number of death in a year for every 1000 people alive in society
demographic equation the formula that calculates the population change(p^1+b-d+-nm=p^2)
demographic momentum the growing population even after fertility rates slow
demographic transition the process of change in a societys population from a condition of high crude birth and death rates and low rate of natural increase to a condition of low crude birth and death rates .low rate of natural increase and higher total population
demography the science study of population characteristics
dependency ratio the number of people under the age 15 and over age 64 compared to the number of people active in the labor force
double time the number of years needed to double a population, assuming a constant rate of natural increase
ecumene the portion of earths surface occupied by permanet human settlement
epidemiological transition distinctive cause of death in each stage of the demographhic transition
gendered space genders are seperated9data from girls and boys)
generation X generation 1990 to 2000
infant mortality rate the total numver of deaths in a year among infants under 1yr old for every 1000 live births in a society
J curve a dramtic increase
life expectancy rate the rate number of years an individual can be exspected to live, given current social,economic,and medical conditions. Life expectancy at birth is the average number of years a newborn infant can expect to live
maladaptation adaptation that becomes less helpful more harmful(ex:global waring, climate change
thomas malthus demagrother that came up with a theory that population will increase that wont be enough resources
mortality crude death rate
natality crude birth rate
natural increase rate the percentage growth of a population in a year,computed as the crude birth rate minus the crude death rate
overpopulation the number pf people i an area exceeds the capacity of the environment to support life at a destinct standered of living
population pyramid a bargrath representing the distribution of population by age and sex
total fertility rate the adverage number of childern a woman will have throughout her childbearing years
zero population growth a decline of the total fertility rate to the point where the natural increase rate equals zero
Created by: beachcrave123
Popular AP Human Geography sets




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