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The White Volta Basin, Climate Change and Food Security： Perspectives of riparian communities in Northern Ghana

Journal of Environmental Science and Engineering(B) 2013年第6期2卷 350-356页

作者： Asaah Sumaila Mohammed Emmanuel Kanchebe Derbile Musah Ibrahim Mordzeh-Ekpampo Department of Community Development University for Development Studies P.O. Box UPW 3 Wa Ghana Department of Planning and Management University for Development Studies P.O. Box UPW 3 Wa Ghana

This paper has examined how the resources of the White Volta River are enhancing food availability for riparian communities in northern Ghana despite climate change and its associated effects on food security. Using participatory methods such as focus group discussions and interviews, data was collected from households and institutions in three riparian communities. The result of the study indicates that, all things been equal, cultivation of food crops along the river bank in the rainy season gives significantly high yields as compared to yields from farms farthest from the river under rain fed agriculture. Higher organic content and moisture retention capacity of river bank soils explains the yield differential and adaptability to climate change. In addition, farmers now irrigate cereal crops which were hitherto, reserved for only rainy season production. However, inappropriate irrigation practices are accelerating erosion and sedimentation of the river and thus, threaten the sustainability of agriculture and food security in the White Volta Basin. The paper therefore, recommends the adoption of IWRM （integrated water resources management） and the participation of local communities, Government and Civil Society organisations for sustaining the productive capacity of the White Volta Basin for enabling adaptation of agriculture to climate change in the riparian communities of the basin.

关键词： Food security northern Ghana riparian communities White Volta.

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