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ap gep
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Term | Definition |
---|---|
arithmetic density | the total number of people divided by total land area |
physiological density | the Total number of people divided by arable land (can be used to grow crops) |
agricultural density | the total number of farmers divided by arable land |
demographic momentum | as a country moves through this model and begins to develop and gain medical and technological advancements it creates a phenonmenum known as |
carrying capacity | the largest number of people a environment can support |
crude birth rate | the total number of live births in a year for every 1000 people alive in a society |
crude death rate | the total number of deaths in a year for every 1000 people alive in a society |
dependency ratio | the number of people under the age of 15 and over that age pf 64 compared to the number of people active in the labor force |
medical revolution | medical technnology invented in Europe and North America that has diffused the the poorer countries in Latin America Asia and Africa improved medical practices have eliminated many of the traditional causes of death in poor countries |
Natural increase rate | the percentage growth of a population in a year computed as the crude birth rate minus the crude death rate. |
sex ratio | the number of males per 100 females in the population |
where are the four clusters where the most people live | east Asia, South Asia, Europe, and south east Asia |
less clustered places where people live | Latin America africa and asia |
stage 1 of dtm | high death and birth rate low nir ( low development) (places in the Amazon.) |
sTAGE 2 | NIR RISES Because car declines (sub-saharan Africa, Afghanistan) |
stage 3 | nir moderates bc cbr declines (Columbia Mexico india) |
stage 4 | low cbr cdr and nir (U.S china Brazil Europe ) |
stage 5 | car exceeds cbr declining (Germany Greece Japan) |
fertility rate | the number of kids a women has throughout her life spam |