TY - Chin J Plant Ecol A1 - SUN Xiao-Peng, WANG Tian-Ming, KOU Xiao-Jun, GE Jian-Ping T1 - Normalized difference vegetation index dynamic change and its driving factor analysis with long time series in the Jinghe River watershed on the Loess Plateau of China Y1 - 2012-02-13 JF - Chinese Journal of Plant Ecology JO - Chin J Plant Ecol SP - 511 EP - 521 VL - 36 IS - 6 UR - https://www.plant-ecology.com N1 - 10.3724/SP.J.1258.2012.00511 ER -