RNR 1001 Chapter : Population Change
Document Summary
Countries generally move from expansive to constrictive age structures as they become industrialized and develop their economies: the demographic transition. % of pop below age 15 45 14. % of pop 55+ 3 20 life expectancy at birth 44 82 annual # of infant deaths 105,000 2,400. % living below us a day 73 <2. Where are we going: most countries looking at 9-10 billion in 2100, still increasing, but slower. Carbon uptake the amount of forest land required to absorb co2 emissions from burning fossil fuels, land- use change and chemical processes, other than the portion absorbed by oceans. Grazing land the area used to raise livestock for meat, dairy, hide, and wool. Forest products the amount of lumber, pulp, timber products and fuel wood consumed by a country each year. Fisheries the primary production required to support the fish and seafood caught, based on catch data for.
