ENV100Y5 Chapter Notes - Chapter 6: Global Hectare, Demographic Transition, Ecological Footprint
yifanyang and 39662 others unlocked
69
ENV100Y5 Full Course Notes
Verified Note
69 documents
Document Summary
Demography is the study of human populations d: demographers study: Birth, death, immigration, emigration rates: demography- study of factors determining size and structure of population, two ways to look at growth rate: Per capita rate= (birth rate + immigration)- (mortality rate + Many individuals in young age groups results in high reproduction and rapid population growth. E. g. if the population is growing at 5%/year, it will take 70/5 or almost 14 years to double. Mathus" basic theory- argued that the pressure of population growth on the availability of resources could lead to disaster. Low growth does not mean fewer people (yet) It is very challenging to predict population change into the future: poorer societies have higher growth rates than wealthier societies. Higher fertility and growth rates, lower contraceptive use. 99% of the next billion people will be born in regions that are least able to support them: poverty often results in environmental degradation, population, affluence, and technology affect the environment.