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Agricultural Density The ratio of the number of farmers to the total amount of land suitable for agriculture
Arable land capable of beining plowed and used to grow crops
Arithmetic density Total number of people divided by the total land area
carrying capacity The number of people, other living organisms, or crops that a region can support without environmental degradation
Census an official count of survey of a population, typically recording various details of individuals. Taken every 10 years
Crude Birth Rate (CBR) The number of live births in a year for every 1,000 people alive in a society
Crude Death Rate (CDR) The number deaths in a year per 1,000 people alive in a society
Demography The scientific study of population characteristics
Ecumene The portion of Earths surface occupied by permanent human settlement
Infant Mortality Rate (IMR) The total number of deaths in a year among infants under one year old per 1000 live births in a society
Life expectancy The average number of years an individual can be expected to live given current social, medical, and economic conditions. Life expectancy at birth is the average number of years a newborn infant can expect to live.
Maternal Mortality Rate The annual number of female deaths per 100,000 live births from any cause related to or aggravated by pregnancy or its managment
Natural Increase Rate (NIR) The percentage growth of a population in a year, computed as the crude birth rate minus the crude death rate. NIR =CBR-CDR
Overpopulation A situation in which the number of people in an area exceeds the capacity of the environment to support life at a decent standard of living
Physiological Density The number of people per unit of area of arable land, which is land suitable for agriculture
Population density A measurement of the number of people per given unit of land
Population distribution Description of locations on Earth's surface where populations live
Population doubling time The number of years it takes a population to double, calculated by dividing the number 72 by the rate of natural increase
Sex ratio The number of males per 100 females in the population
Total Fertility Rate (TFR) The average number of children a women will have throughout there childbearing years.
Zero population growth (ZPG) A decline of total fertility rate to the point where the natural increase rate equals zero
Land degradation Long term damage to the soil's ability to support life
Created by: Ajsteele
Popular AP Human Geography sets




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