Showing papers by "Alan Grainger published in 1994"
Abstract: as long ago as 1977. Yet progress in controlling desertification is limited, and although defined at UNCOD as a long-term process of mainly human-induced land degradation that speeds up in times of drought and is not confined to desert fringes, it has remained a controversial and misunderstood phenomenon, still often confused with desert expansion and drought, and plagued by poor data. More accurate estimates of the extent and rate
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