Spatial-temporal evolution pattern and differentiation of ecological service value in Yan'an city at the grid scale based on Sloping Land Conversion Program
HOU Meng-yang, YAO Shun-bo, DENG Yuan-jie, DING Zhen-min, LU Ya-nan, ZHENG Xue, LI Ya-nan
JOURNAL OF NATURAL RESOURCES . 2019, (3): 539 -552 .  DOI: 10.31497/zrzyxb.20190308