wildlife part2 - breaking down the single story...part 2 2)...

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Unformatted text preview: breaking down the single story...part 2 2) HUMANS ENDANGER NATURE common target of this story is the pastoralist key concept of Carrying Capacity example: pastoralism & Carrying Capacity classic ecological concept used in environmental management idea that fragile ecosystems are pushed out of equilibrium by too many people and cattle example: pastoralism & African ecology Scientific Research in the past 20 years (and centuries of African pastoralist activity) questions whether Carrying capacity works in Africa: African arid & semi-arid areas demonstrate non-equilibrium ecology erratic rainfall frequent droughts, erratic productivity resilient system vegetation impacted by density independent factors (climate) much more than density dependent factors (livestock grazing) example: pastoralism and African ecology Pastoralism increasingly recognized as a rational land use transhumance seasonal movement of cattle & people, a good response to climate large herd rational response to risks and opportunities of arid land ....so what? .......
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wildlife part2 - breaking down the single story...part 2 2)...

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