8CHEN Si-xian 1,SHUI Wei 2,HE Jin-feng 3,ZHANG Qi-chun 4(1 College of Resources and Environment,Sichuan Agricultural University,Ya’an,Sichuan 625014 2。Department of Eco-agriculture and Rural Development,Sichuan Agricultural University,Ya’an Sichuan,625014,3.Chongqing Jiaotong University,Chongqing,400074 4.College of Laud and Resoure,China West Normal Unirersity,Nanchang,Sichuann,6370021).The Construction of Tiankeng Landscape Evaluation Model and the Index System[J].四川地质学报,2009,29(S1):172-180.
