The Impact of Malthusian Overfishing on Far-Pacific Coral Reefs
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Presentation Transcript
Thomas Malthus (1766-1834) • Political economist concerned with decline of living conditions • Suggested family size of lower class people should be lowered • His ideas about population growth were foundation for Darwin’s Evolution theory
Malthusian Overfishing • Human populations increase at a rate beyond the capacity of the resource base to supply • Contrasts Market overfishing – high prices, efficient harvest & delivery systems rapidly exhaust fish populations • Market overfishing – greed • Malthusian overfishing – survival
Changing Cultures in the South Pacific • Cultures are being displaced • Locals resort to destructive methods rather than starve • Money replaced more traditional barter systems • Introduction of money started process of environmental decay • Breakdown of local traditions abetted depletion of reefs • Wealth of knowledge lost