Ch. 4,5,7 AP Human Geography key terms

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Ch. 4 5 and 7 vocab for mr. skeie's class!

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

census

a periodic and official count of a country's population

demography

the study of patterns and rates of population change, including birth and death rates, migration trends, and evolving population distribution patterns.

density

a description of the quantity per unit area of a given object or living organism.

physiologic population density

the number of people living per unit area of arable land

population concentration

places with the largest percentages of population

population data

data about population derived from census

population density

a meaurement of the number of people per given unit of land

population geography

a subdivisional human geography that focuses on the spatial aspects of demography and the influences of demographic change on particular places.

age-sex pyramid

graphic representation (profile) of a population showing the percentages of the total population by age or sex, normally in five year groups.

crude birth rate (CBR)

number of live births per year per thousand people in the population

crude death rate (CDR)

number of deaths per thousand

demographic transition cycle

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.

demography

study of population

doubling time

number of years it takes for the population to double

exponential growth

cumulative or compound growth of a population over a given time period

infant mortality

a figure that describes the number of babies that die within the first year of their lives in a given population

linear growth

growth that occurs in uniform amount in equal time period

natural increase

population growth measured as the excess of live births over deaths per one thousand individuals per year. does not reflect emigrant or immigrant movements.

population composition

structure of a population in terms of age, sex, etc.

population explosion

the rapid growth of the world's human population during hte past century, included short doubling times and accelerated rates of increase.

population structure

same as composition

stationary population level (SPL)

the level at which a national population ceases to grow

total fertility rate (TFR)

the average number of children born to a woman during her lifetime, as expressed for a total population

eugenic population policy

government policy designed to favor one racial sector over others

Eugenic Protection Act

policy enacted by the Japanese government that legalized abortion for social, medical, and economicc reasons

expansive population policy

government policy that encourages large families and raises the rate of population growth

immigration laws

designed to restrict the immigration of Chinese people to California

negative population growth

a less than zero growth

one-child policy

a Chinese policy to induced married couples to have only one child

restrictive population policy

government policy designed to reduce the rate of natural increase.

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