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24 Cards in this Set
- Front
- Back
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population density
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A measurement of the number of people per given unit of land
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arithmetic population density
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The population of a country or region expressed as an average per unit area. The figure is derived by dividing the population of the areal unit by the numbers of square kilometers or miles that make up the unit
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physiological population density
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the number of people per unit area of arable land
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population distribution
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Description of locations on the Earth's surface where populations live
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dot map
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maps where one dot represent a certain number of a phenomenon, such as population
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megalopolis
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Term used to designate large coalescing supercities that are forming in diverse parts of the world; formally used specifically with an uppercase "M" to refer to the Boston-Washington multi-metropolitan corridor on the Northeastern Seaboard of the United states (BOSNYWASH!!!), but now used generically with a lowercase '"m" as a synonym for con-urbanization
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census
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a periodic and official count of a country's population
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doubling time
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The time required for a population to double in size
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population explosion
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the rapid growth of the world's human population during the past century, attended by ever-shorter doubling times and accelerating rates of increase
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natural increase
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population growth measured as the excess of live births over deaths
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crude birth rate (CBR)
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The number of live births yearly per thousand people in a population
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crude death rate (CDR)
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The number of deaths yearly per 1,000 people in a population
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Demographic transition
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Multistage model, based on Western Europe's experience, of change in population growth exhibited by countries undergoing industrialization. High birth rates and death rates are followed by plunging death rates, producing a huge net population gain; this is followed by the convergence of birth rates and death rates at a low overall level. The transitional levels are stages 2 &3
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stationary population levels
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the level at which a national population ceases to grow
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population composition
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structure of population in terms of age, sex, and other properties such as marital status and education
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population pyramids
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Visual representations of the age and sex composition of a population whereby the percentage of each age group (generally 5-year increments) is represented by a horizontal bar the length of which represents its relationship to the total pop. The males in each age group are represented to the left of the center line of each horizontal bar; the females in each age group are represented to the right of the center line
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Infant Mortality Rate (IMR)
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A figure that describes the number of babies that die within the first year of their lives in a given population
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child morality rate
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A figure that describes the number of children that die withing the first and fifth years of their life in a given population
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life expectancy
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A figure indicating how long ,on average, a person may be expected to live
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AIDS
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Immune system disease caused bu Human Immunodeficiency Virus (HIV) which over a period of years weakens the capacity of the immune system to fight off infections so that weight loss and weaknesses set in and other afflictions such as cancer or pneumonia may hasten an infected person's demise
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chronic disease
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generally long-lasting afflictions such now more common because of higher life expectancy
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expansive population policies
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Gov't policies that encourage large families and raise the rate of population growth
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Eugenic population policies
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Gov't policies designed to favor one racial sector over others
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Restrictive population properties
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Gov't policies designed to reduce the rate of natural increase
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