ENVIRON 201 Chapter Notes - Chapter 8: Habitat Destruction, Ecosystem Services, Demographic Transition
3 Oct 2016
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Infant mortality rates: the number of deaths of infants under one year of age per 1000 live births in a population. Thomas malthus: british economist who maintained that increasing human population would eventually deplete the available food supply until starvation, war, or disease arose and reduced the population. Ipat model: a formula that represents how humans" total impact (i) on the environment results from the interaction among three factors: population (p), affluence (a), and technology (t) Demography: a social science that applies the principles of population ecology to the study of statistical change in human populations. Demographers: a social scientist who studies the population size, density, distribution, age structure, sex ratio, and rates of birth, death, immigration, and emigration of human populations. Total fertility rate (tfr): the average number of children born per female member of a population during her lifetime. Replacement fertility: the total fertility rate (tfr) that maintains a stable population size.
