Abstract
To analyse the effects of mining activities on land use and land cover changes in the Gatumba mining district of Rwanda, aerial photos from 1958, 1974 and 2009 were classified using segmentation approaches. Drastic land cover changes were observed in the study region with the highest mining activities in 1974. From 1958 to 1974, woodland decreased by 54% and cropland increased rapidly. From 1974 to 2009 the process reversed, with woodland increasing while cropland decreased by 51%. This was mainly due to enforced legal regulations of the Government of Rwanda to control land degradation and a decline of mining activities.
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