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An assessment of land degradation in the Save catchment of Zimbabwe

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Abstract:

The lack of reliable baseline information on land degradation is a hindrance towards its monitoring and mitigation. Of particular interest is the identification of areas susceptible to degradation. In this study, remote sensing and GIS technologies were applied to detect and map susceptibility to land degradation in Buhera district, in Save catchment, Zimbabwe. Data used included Landsat TM and ETM imagery for 1992 and 2002, agro-ecological zones, vegetation cover and population density. The study identified five preliminary categories of degradation susceptibility ranging from very high to low.

Keywords: GIS; NDVI; Save catchment; baseline data; land degradation; remote sensing

Document Type: Research Article

DOI: http://dx.doi.org/10.1111/j.1475-4762.2007.00728.x

Affiliations: School of Geography, Archaeology and Environmental Science, University of the Witwatersrand, Johannesburg, South Africa, Email: mamboj@science.pg.wits.ac.za

Publication date: September 1, 2007

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