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20 Cards in this Set
- Front
- Back
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Physiological Density |
A measure of population density that is found by dividing the total number of people by the area of arable land |
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Population Composition |
Aspects that make up a population. Ex: sex, age, marital status, and education |
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Population Density |
A measure of total population relative to land size. |
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Population Distributions |
Descriptions of locations on the Earths surface where individuals or groups live |
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Population Explosion |
The rapid growth of the worlds human population during the past century, attended by ever shorter doubling times and accelerating rates of increase |
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Population Pyramid |
A visual representation of the composition of a population in terms of age and sex |
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Rate of Natural Increase |
The difference between the number of births and the number of deaths |
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Restrictive Population Policy |
A policy ranging from toleration and promotion of birth control to prohibition of large families |
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Stage Five |
The stage of declining population. Birth rates fall below the low death rates |
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Stage Four |
Decrease in population growth. Birth rates begin to fall and death rates are still low |
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Stage One |
Low population growth with both high birth and death rates |
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Stage Three |
Population explosion; birth rates are high but begin to fall, death rates are continuing to lower |
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Stage Two |
Increased population growth; high birth rates and declining death rates |
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Stationary Population Level |
SPL; theory that the population will stop growing around the 21st century |
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Malthusian Theory |
Thomas Malthus believed that the population was growing faster than the food needed to sustain it; food grows linearly while population grows exponentially |
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Total Fertility Rate |
Average number of children born to a woman in her lifetime; TFR of 2.1 or higher means stable population |
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Zero Population Growth |
When the number of deaths are exactly offset with the number of births |
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Ehrlich Theory |
Paul Ehrlich predicted worldwide famine in 70s-80s and population explosion in 50s and 60s. |
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Epidemiological Transition Model |
When a disease goes from affecting infants mostly to affecting the main population to affecting the elderly |
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Boserup’s Theory |
Theorized that population change drives the intensity of agricultural production |
