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2011.02.10 human ecology

2011.02.10 human ecology - Human Ecology of Rural African...

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Human Ecology of Rural African Production Systems
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Human Ecology of Rural African Production Systems Contrasting images of African production methods: - Africans as environmental villains - Africans as (former) local experts
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crisis narratives building up and breaking down “received wisdom” - desertification – pastoralism - soil erosion – agriculture - deforestation – forest islands/ village systems work of crisis narratives
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crisis narratives desertification! over-grazing! soil erosion! deforestation!
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Desertification
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US dust bowl
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- 1920s/30s – Stebbing, colonial science – past 1 km/yr, increasing - 1972 (droughts) - USAID report - 30 miles/yr - 1975 – Lamprey – 100 km in 17 yrs - 1977 – UN Conf on Desertification - 1987 – WB President – 350 km in 20 yrs
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Centers of concern: Sahel, horn, southern Africa
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...impacts of crisis narrative... Pastoralism
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transhumance – systematic relocation to seasonal pastures herd size
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Desertification Narrative & Pastoralism pastoralists blamed
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