alexa Soil erosion assessment in Kondoaeroded area in Tanzania using universal soil loss equation, Geographic information systems and socio-economic approach
Environmental Sciences

Environmental Sciences

Journal of Ecosystem & Ecography

Author(s): P J Ligonja, R P Shrestha

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Soil conservation measures including cutoff drains, tree planting, Crops diversifications and destocking were implemented in Kondoa eroded area (KEA) for decades. This study assessed soil erosion changes in KEA and examined drivers of changes using Universal Soil Loss Equation, Geographic Information Systems and socioeconomic survey. Soil erosion was predicted by using data on soil, digital elevation model, rainfall and land use/cover visually interpreted from multitemporal satellite imageries. The predicted average soil erosions were 14·7, 23 and 15.7 Mg ha−1y−1 during 1973, 1986 and 2008, respectively. The area under very high soil erosion severity that was 30% in 1973, 26% in 1986 and 25% in 2008, whereas the area with high erosion severity was 26% in 1973 changed into 49% in 1986 and 2008 indicating recent stabilization.

This article was published in Land DegradDev and referenced in Journal of Ecosystem & Ecography

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