GEOG 1HB3 Lecture Notes - Lecture 10: The Population Bomb, Paul Erlich
Document Summary
Feedback mechanism forces which result in equilibrium conditions, i. e. , numbers of both predators and prey in keeping with the capacity of the environment. Stabilize/decrease populations: 3, thomas malthus: an essay on the principles of population , 1798. 1789 an essay on the principle of population . Malthus (1766-1834) clergyman, professor of history and political economy. World population almost 1 billion in 1798. Basic ideas underlying malthus" argument: (i) food supply increases in a linear (arithmetic) fashion (1,2,3,4,5 , (ii) population increases in a geometric exponential fashion (1,2,4,16,256, ) Influence of malthus neo-malthusians such as paul erlich ( the population. Bomb , 1968) and the club of rome ( limits to growth , 1972) If they would rather die they had better do it, and decrease the surplus population. High stationary stage: high br; high dr; total pop. Early expanding stage: high br; dr decreasing; total pop.