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Journal Article Climate Patterns and Land-use Practices in the Dry Zones of Africa: Comparative regional analysis provides insight into the effects of climate variations Get access Jim Ellis, Jim Ellis Search for other works by this author on: Oxford Academic Google Scholar Kathleen A. Galvin Kathleen A. Galvin Search for other works by this author on: Oxford Academic Google Scholar BioScience, Volume 44, Issue 5, May 1994, Pages 340–349, https://doi.org/10.2307/1312384 Published: 01 May 1994
Ellis et al. (Sun,) studied this question.