Geography 1400F/G Chapter Notes - Chapter 5: Total Fertility Rate, Natalism, Birth Rate
11 Feb 2017
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Document Summary
Increases in population are occurring in less developed parts of the world that are least capable of supporting them. Population in developed world is expected to remain unchanged. Link between population numbers and famine, disease, + environmental deterioration. All global changes in population size are understood in reference to fertility and mortality. P1 = p0+b-d: p1 = population at time 1, p0 = population at time 0 (before time 1, b = number of births between time 0 and 1, d = number of deaths between time 0 and 1. Fertility and mortality very according to time + location. I= number of immigrants to area between times 0 and 1: e = number of emigrants from area between times 0 and 1. Fecundity ability of a woman to conceive. Average women had 2. 5 children during fecund years. Tfr of 2. 1 2. 5 = replacement level fertility: maintains a stable population.
