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HG Ch.2 Vocab
Human Geography Chapter 2 Vocabulary
Definition | Term |
---|---|
the ratio of the number of farmers to the total amount of land suitable for agriculture | agricultural density |
the total number of people divided by the total land area | arithmetic density |
a complete enumeration of a population | census |
the total number of live births in a year for every 1,000 people alive in the society | crude birth rate |
the total number of deaths in a year for every 1,000 people alive in the society | crude death rate |
the process of change in a society's population from a condition of high crude birth rate&death rates& low rate of natural increase to a condition of low crude birth&death rates low rate of natural increase&higher total population | demographic transition |
the scientific study of population characteristics | demography |
the number of people under age 15 and over age 64 compared to the number of people active in the labor force | dependency ratio |
the number of years needed to double a population, assuming a constant rate of natural increase | doubling time |
the portion of Earth's surface occupied by permanent human settlement | ecumene |
distinctive causes of death in each stage of demographic transition | epidemilogic transition |
the branch of medical science concerned with the incidence, distribution&control of diseases that are prevalent among a population at a special time and are produced by some special causes not generally present at the affected locality | epidemiology |
a series of improvements in industrial technology that transformed the process of manufacturing goods | Industrial Revolution |
the total number of deaths in a year among infants under one year of age for every 1,000 live births in a society | infant mortality rate |
the average number of years an individual can be expected to live, give current social, economical & medical conditions | life expectancy |
medical technology invented in Europe&North America that has diffused to the poorer countries in Latin America,Asia,&Africa. Improved medical practices eliminated many of the traditional causes of death in poorer countries&help more people to live longer | Medical Revolution |
the percentage of growth of a population in a year, computed as the crude birth rate minus the crude death rate | natural increase rate |
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 | overpopulation |
disease that occurs over a wide geographic area and affects a very high proportion of the population | pandemic |
the number of people per unit of area of arable land, which is land suited for agriculture | physiological density |
a bar graph that represents the distribution of population by age and sex | population pyramid |
the number of males per 100 females in the population | sex ratio |
the average number of children a women will have throughout her childbearing years | total fertility rate |
a decline of the total fertility rate to the point where the natural increase rate equals zero | zero population growth |