长江三角洲近50年耕地数量变化的过程与驱动机制研究

杨桂山

The process and driving forces of change in arable-land area in the Yangtze River Delta during the past 50 years

YANG Gui shan

自然资源学报 . 2001, (2): 121 -127 . DOI: 10.11849/zrzyxb.2001.02.004