APES Population Equations
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6 Terms
1
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Population Size
Census or mark + recapture
2
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Population Density
Population Size/Area
3
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Birth Rate / Death Rate
#of births or deaths/total population
4
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Growth Rate
Births - Deaths / Total Population
5
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Doubling Time
70 / Growth rate %
growth rate is # of years for population to double
6
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% Change
| present - past / past | * 100
Note 
Flashcards (131)