ENV100Y5 Lecture Notes - Lecture 24: Demographic Transition, Biocapacity, Ecological Footprint
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ENV100Y5 Full Course Notes
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Chapter 6 - human populations. Tuesday, november 3, 2015. Demography - study of human populations. Birth, date, immigration, emigration rates (2) Central to understanding how our society is moving forward in terms of trends. Study of factors determining size & structure of population. 2 ways to look @ growth rates (1) Per capita = per person. If mortality and emigration is more. Zero = population isn"t changing in size. Positive = population is growing. Bc the denominator will be 0. :#;( ,= " 6,671"%#,- "% " +#>(- %#*( :#;( ,= " 6,671"%#,- "% "- ("#($ %#*( Coming in greater than going out. 1 = population isn"t changing in size. >1 = population is growing. # on top bigger than the bottom. Age distribution - reflects the future growth potential. Age structure affects future population dynamics. Many individuals in young age groups results in high reproduction and rapid population growth. Find out the median age. Doubling time 70/(growth rate %)
