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59041
Population theorists
Descrição
Geogrpahy Mapa Mental sobre Population theorists, criado por Ruth Armitage em 27-04-2013.
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geogrpahy
geogrpahy
Mapa Mental por
Ruth Armitage
, atualizado more than 1 year ago
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Criado por
Ruth Armitage
mais de 11 anos atrás
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Resumo de Recurso
Population theorists
Pessimists
Malthus (and Neomalthusians)
Population and demand for food increase faster than food supply
Insufficient food for the population
Increased levels of misery
war
Famine
Decreased fertility levels
Disease
Increased levels of moral restraint
Celibacy
Later marriage
Decreased fertility levels
Increased incidence of...
Abortion
Decreased fertility levels
Decline in population
Infanticide
Neomalthusians
Technologies and consumption patterns
Environmental degrading
Resource depletion
Evidence
Wars and famines
Ethiopia
Sudan
Sahel
Food and Agricultural Organisation (FAO) - 800 million are chronicallly malnourished
Populationg growth in LEDCs increased after death fate fell
Water scarcity is predicted to be a major resource issue
By 2050, 45% of the world population will live in areas that can't provide 50l needed per day for basic needs - UN
Climate change
Optimmists
Ester Boserup
Technology leads to
Development of resources
Intensification of farming
Provide for the population
Demand
Simon and Lomborg
Pesticides causing cancer - 1960s
No rise in cancer linked to pesticides
Running out of oil - 1970s
Oil reserves increased
Failure of food supply - 1970s
Green revolution and intensification
Food production per head increased
Nuclear fear - 1970s
Nuclear accidents rare
Desertification - 1980s
Deserts have not advanced
Acid rain damage - 1980s
Acid rain has killed no forests
Ozone layer thinning - 1980s
Rainforests still 80% intact
Elephant on point of extinction - 1980s
Elephant never in danger of extinction
Deforestation - 1990s
Rainforests still 80% intact
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