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Env Sci Mod 5 Ch 6

Human Population

Question or TermAnswer
Demography Applying population ecology to humans
Demographic catergories Population Size Density and distribution Age structure Sex ratio birth, death, immigration, and emigration rates.
Family planning efforts to plan the number and spacing of children
Factors that affect fertility in society Public health factors Culture factors Economic factors
Contraception Deliberate prevention of pregnancy through a variety of methods
Most populated areas Temperate, subtropical, and tropical Coasts and rivers
The UN (United Nations) predicts More than 11 billion by year 2100
China is an example of intensive agriculture is eroding farmland Overuse drying up major rivers increasing vehicles
Earth's carrying capacity? 1-2 billion prosperous people 33 billion very poor people
True or False?: Tech advances decrease death rates, especially infant mortality True
The IPAT model I = P A T
Our total impact (I) on the environment results from: Population (P) Affluence (A) Technology (T)
World at7.8 billion rate of population growth is slowing, but still increasing in numbers
Population growth is a problem if it depletes resources, stresses social systems, and degrades the environment
Created by: dasiawya311
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