Wikipediaorgwikifilepopula6oncurvesvg n agriculture

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Unformatted text preview: : •  High probability of survival •  Large economic expenditure not put into re6rement plan •  Increase labor by parents = desire for fewer children While the cause for popula6on growth is reduced death rates, the unprecedented number of humans was made possible by con6nually increasing the global carrying capacity through advances in agricultural technology Green Revolu6on Industrial Revolu6on Origin of agriculture hTp://en.wikipedia.org/wiki/File:Popula6on_curve.svg n༆  Agriculture: Farming. Growing crops and animals for food or feed. hTp://commons.wikimedia.org/w/index.php? 6tle=File:El_Cerrito,_San_Miguel_County,_New_Mexico._The_staple_crops_in_El_Cerrito_ are_corn,_beans_and_alfal_._._._- _NARA_- _521205.6f&page=1 The earliest agricultural sites (10,000 - 12,000 years ago): Nile Valley Zagros Mountains in Iran Anatolia (modern Turkey) northern Syria Jordan River valley Mesopotamia Agricultural revolu6on led to: Development of permanent socie6es Technological advances Animal domes6ca6on Dogon granaries in Mali hTp://commons.wikimedia.org/wiki/File:Mali_dogon_houses_josef_stuefer.jpg Dogon granaries in Mali hTp://commons.wikimedia.org/wiki/File:Blacksmithing.jpg Nutri6on and Food Supplies •  Malthus (1798) predicted that we would outstrip our food supplies •  BUT: World food supplies have more than kept up –  1950 - 2.5 billion people - average daily diet was less than 2,000 calories/ person. –  2001 - 6.0 billion people - world food supply can provide more than 2,500 calories/person. •  Current nutri6on problems are associated with global food distribu6on What technological advances made fe...
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