Journal
GLOBAL ENVIRONMENTAL CHANGE-HUMAN AND POLICY DIMENSIONS
Volume 11, Issue 1, Pages 79-95Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S0959-3780(00)00047-9
Keywords
soil erosion; Sahel; agriculture; local political ecology; Niger
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A review of soil erosion research in the West African Sahel finds that there are insufficient data on which to base policy. This is largely because of the difficulties of measuring erosion and the other components of soil life, and because of the highly spatially and temporarily variable natural and social environment of the Sahel. However, a local political ecology of soil erosion and new methodologies offer some hope of overcoming these problems. Nonetheless, a major knowledge gap will remain, about how rates of erosion are accommodated and appraised within very variable social and economic conditions. An example from recent field work in Niger shows that erosion is correlated with factors such as male migration, suggesting, in this case, that households with access to non-farm income adopt a risk-avoidance strategy in which soil erosion is accelerated incidentally. It is concluded that there needs to be more research into the relations between erosion and socio-economic factors, and clearer thinking about the meaning of sustainability as it refers to soil erosion in the Sahel. (C) 2001 Elsevier Science Ltd. All rights reserved.
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