GGR111H5 Lecture Notes - Lecture 3: Carrying Capacity, Environmentalism
Document Summary
Review: fundamentals to understanding of geography, why is this important, crude measurements: what are they telling us what are they not telling us. Population structure: relationship b/t dependent populations and independent populations, dependent: arbitrary, developing world people contribute to their family younger. When 65 you don"t become dependent automatically: independent: the labour force. Generating revenue to support those who are not working: two types of dependency: youth and elderly, geographically varies around the world, youth: developing, elder: developed, different social policies depending on majority age in population. Population pyramids: canada: center of pyramid much wider than base of pyramid. Increasing age dependency: typical of developed world. Examining population pyramids: rapid growth: see the base is much wider; substantial reduction. Population w/ low life expectancy: slow growth: base is narrower, reduction in birth rate 40+ age dependency component population is not being replaced. Strong economic conditions but emerging problems with aging population.
