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- > Changes in population and human landscape in Qin Ling and Daba Shan areas. (supprimer)
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Par Collection Par Auteur- LIANG, Zheng-tai (1)
- 1984 (1)
- The lack of arable land and inacessibility are major factors for the sparsity of people in this region in historic times. High death rates result from the lack of medical facilities and unbalanced diet. Major developments by immigrants began only