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ratio between the number of agriculturalists per unit of arable land in a given unit of area
agricultrual density
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info about births, deaths, marriages
vital records
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ratio of number of live births in a year
crude birthrate
-
replacement of high birth and death rates by low birth and death rates is
demographic transition
-
study of the characteristics of human population
demography
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measure of economic impact of the young and old on the more economically productive members of the population
dependency ratio
-
crude density is...
number of people divided by amount of land
-
population movement caused by degradation of land and essential natural resources
eco-migration
-
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practice of assessing the location and composition of particular populations
geodemographic analysis
-
subarea of geography focuses on spatial aspects of health and illness
medical geography
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move from one country to another
international migration
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ratio between the total population and the amount of land under cultivation
nutritional density
-
population policies
- china- one child per
- india-free contraceptives and family-planning counseling
more educated woman, less kids
-
Malthus
population grows faster than food!!
-
non-malthus
technology will find solutions
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migration within US
- fist wave- from rural to urban
- second wave- Blacks from south to north
- thrid- northeast and midwest to south
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people uprooted within boundaries of own country because of conflict or human rights
internationally displaced persons (IDPs)
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Triangle
population growing rapidly
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rectangle
stable, not growing
-
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demographic transition
- 1) preindustrial- high birth and death
- 2) low death, high birth
- 3) more urban, low birth rate
- 4) low birth and death rates
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