Anjali- AP Enviromental- Chapter 4 Notes

Anjali- AP Enviromental- Chapter 4 Notes - Chapter4Notes

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Chapter 4 Notes-  The Human Population and the Environment Basic Concepts of Population Dynamics Population: A group of individuals of the same species living in the same area of interbreeding  and sharing genetic information. Species: All individuals that are capable of interbreeding. Made up of populations Population dynamics The general study of population changes. Age Structure Population age structure: The proportion of the population in each age class Affects current and future birth rates, death rates and growth rates Has an impact on the environment Has complications for current and future social and economic status. Forecasting Population Change Formula to represent population change: P 2 =  P 1 + ( B  –  D ) + ( I  –  E ) A Brief History of Human Population Growth 1. Hunters and gatherers The world’s population was probably less than a few million 2. Early, pre-industrial agriculture Allowed a much greater density of people The first major increase in human population 3. Machine age Industrial revolution led to rapid increase in human population
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This note was uploaded on 09/15/2011 for the course ENVIRON 100 taught by Professor Staff during the Spring '11 term at UC Irvine.

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Anjali- AP Enviromental- Chapter 4 Notes - Chapter4Notes

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