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The Research of Land Fragmentation Based on Landscape Pattern Index: Taking Beiyuan District in Linxia of Gansu Province as An Example
王道骏,陈英,贾首杰,刘书安
Chinese Agricultural Science Bulletin . 2014, (32): 184 -188 .  DOI: 10.11924/j.issn.1000-6850.2014-0327