TY - SCIENTIA GEOGRAPHICA SINICA A1 - Xue-mei LI, Zhi-yuan REN, Chong ZHANG T1 - Spatial-temporal Variations of Vegetation Cover in Chongqing City (1999-2010): Impacts of Climate Factors and Human Activities Y1 - 2013-11-07 10:06:25.097 JF - SCIENTIA GEOGRAPHICA SINICA JO - SCIENTIA GEOGRAPHICA SINICA SP - 1390 EP - 1394 VL - 33 IS - 11 UR - {http://geoscien.neigae.ac.cn/EN/10.13249/j.cnki.sgs.2013.011.1390} N1 - 10.13249/j.cnki.sgs.2013.011.1390 ER -