TY - GEOGRAPHICAL RESEARCH A1 - LIU Gao-huan, ZHU Hui-yi, CAI Qiang-guo, Gan Guo-hui, Ferko Csillag, Virginia Maclaren T1 - A land-unit based integration method of geographic information system for small watershed management Y1 - 2002-02-15 00:00:00.0 JF - GEOGRAPHICAL RESEARCH JO - GEOGRAPHICAL RESEARCH SP - 25 EP - 33 VL - 21 IS - 1 UR - {https://www.dlyj.ac.cn/EN/10.11821/yj2002010004} N1 - 10.11821/yj2002010004 ER -