戈壁的正向生态作用与负向生态作用——以甘肃河西走廊为例

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1005-9121|37|1|43-49

ISSN: 1005-9121

Source: 中国农业资源与区划, Vol.37, Iss.1, 2016-01, pp. : 43-49

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Abstract