ENVS 137 Chapter 5: Chapter5HumanPopulationGrowth

• School: LUC
• Department: Environmental Science
• Course: ENVS 137
• Professor: zahina-ramos

Document Summary

^ demographic transition model (descriptive, not predictive), describes logistic growth: pretransition period prior to economic development, population limited by low availability of food and high prevalence of disease, high death rates and death rates (0 population growth, birth rate = death rate, mortality transition improved economic conditions relieve food shortages, better living conditions, health care, and expand access to education, death rate decreases while birth rate stays high/increases, rapid, sustained population growth, ex. poor countries like afghanistan and niger, fertility transition continued economic development social and cultural change, lead to lower birth rates and fertility rates (people delay having children, tfr (the number of children a woman has, contraceptives, family planning, death rate low, birth rate decreases population growth slows (most of the world"s countries in this fertility transition, stability transition low birth rate and low death rate, birth rate almost equal to death rate (low) 0 population growth/decline in population (japan, italy, spain)