GEOG 1HB3 Lecture Notes - Lecture 6: Birth Rate, Mortality Rate, Epicenter
12 Sep 2020
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Population density: the number of people occupying an area of land. Europe, east asia (china, japan, korea) more people per square km. [more dense] southeast asia (indonesia, vietnam, phillipeans) less. Measures of population density: arithmetic (crude): #of people per unit area of land physiological: # of people per unit area of arable land (land that can be farmed on) ex. Density & capacity of earth to support our pop. Catastrophists -we are overpopulated and are pushing beyond the earth"s c. c. Cornucopians technology will allow us to recap benefits from resources not yet discovered, and will extend our use of the planet indefinitely lecture 10: population dynamics: Globally: two factors: fertility (births) & mortality (deaths) Pi = po + (b-d) regionally: population influenced by movement: migration (immigration and emigration) pi. Replacement rates = 2. 2. 1-2. 5 (reflets differences b/t diff parts of the world canada 2. 1, sub-africa 2. 5)
