Week 3 Flashcards

Terms Definitions
Population Density
A measurement of the number of people per given unit of land
Arithmetic population density
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 number of square kilometers or miles that make up the unit.
Physiologic Population Density
The number of people per unit area of arable land.
Population Distribution
Description of location on the Earth's surface where populations live.
Demography
The scientific study of population characteristics.
Ecumene
The portion of Earth's surface occupied by permanent human settlement.
Nonecumene
Replacement Level
Dot Maps
Maps where one dot represents a certain number of a phenomenon, such as a population.
Megalopolis1
Term used to designate large coalescing super cities that are forming in diverse parts of the world; formerly used specifically with an uppercase M to refer to the Boston - Washington multimetropolitan corridor on the northeastern seaboard of the United States, but now used generically with the lower- case m as a synonym for conurbation.
Census
A periodic and official count of a country's population.
Thomas Malthus
Doubling Time
The number of years needed to double a population, assuming a constant rate of natural increase.
Population explosion
The rapid growth of the world's human population during the past century, attended by ever-shorter doubling times and accelerating rates of increase.
Natural increase
Population growth measured as the excess of live births over deaths. Natural increase of a population does not reflect either emigrant or immigrant movements.
Crude Birth Rate
The number of live births yearly per thousand people in a population.
Crude Death Rate
The number of deaths yearly per thousand people in population. (CDR)
Demographic transition
Multistage model, based on Western Europe's experience, of changes 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.
Stationary Population Level
The level at which a national population ceases to grow.
Infant Mortality Rate
A figure that describes the number of babies that die within the first year of their lives in a given population.
Child Mortality Rate.
A figure that describes the number of children that die between the first and fifth years of their lives in a given population .
Life Expectancy
A figure indicating how long, on average, a person may be expected to live. Normally expressed in the context of a particular state.
Infectious Diseases
Diseases that are spread by bacteria, viruses,or parasites. Infectious diseases diffuse directly or indirectly from human to human.
Chronic Diseases
Generally long-lasting afflictions now more common because of higher life expectancies.
Genetic Diseases
Diseases caused by variation or mutation of a gene or group of genes in a human
Endemic
A disease that is particular to a locality or region
Epidemic
Regional outbreak of a disease
Pandemic
An outbreak of a disease that spreads worldwide
AIDS
Immune system disease caused by the human immunodeficiency virus (HIV) which over a period of years weakens the capacity of the immune system to fight off infection so that weight loss and weakness set in and other affliction such as cancer or pneumonia may hasten an infected person's demise
Expansive Population Policies
Government policies that encourage large families and raise the rate of population growth.
Eugenic Population Policies
Government policies designed to favor one racial sector over others.
Restrictive Population Policies
Government policies designed to reduce the rate of natural increase
One -ChildPolicy
A program established by the cChise government in 1979 to slow population growth in China.
Overpopulation
The number of people in an area exceeding the capacity of the environment to support life at a decent standard of living.
Total fertility Rate (TFR)
The average number of children a woman will have throughout her childbearing years.
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