click below
click below
Normal Size Small Size show me how
APESCH7
Term | Definition |
---|---|
I=PAT formula | says our environmental imparcts (I) are the product of our population size (P) times affluence (A) and the technology (T) used to produce the goods and services we consume |
Demography | vital statistics about people; births, marriages, deaths, etc; the statistical study of human populations relating to growth rate, age structure, geographic distribution, etc and their effects on social economic, and enviro conditions |
crude birth rate | the number of births in a year divided by the midyear population |
total fertility rate | the number of children born to an average woman in a population during her entire reproductive life |
zero population growth (ZPG) | the number of births at which people are just replacing themselves; also called the replacement level of fertility |
crude death rate | the number of deaths per year in a given year; also called crude mortality rate |
natural increase | crude death ratesubtracted from crude birthrate |
total growth rate | the net rate of population growth resulting from births, deaths, immigration, and emigration |
life expectancy | the avg age that a newborn infant can expect to attain in a particular time and place |
dependency ratio | the number of noworking members compared to working members for a given population |
pronatalist pressures | influences that encourage people to have children |
demographic transition | a pattern of falling death rates and birthrates in response to improved living conditions; could be reversed in deteriorating conditions |
social justice | equitable access to resources and the benefits derived from them; a system that recognizesinalienable rights and adheres to what isfair, honest, and moral |
family planning | controlling reproduction; planning the timing of birth and having as many babies as are wanted and can be supported |
birth control | any method used to reduce births, including abstinence, delayed marriage, contraception; devices or meication that prevent implantation of fertilized zygotes, and induced abortions |