Spatial and Temporal Variations of Water Resource Security Level in the Three Gorges Reservoir Area of Chongqing Based on Agricultural Non-Point Source Pollutant
ZHANG Guang-na, SHAO Jing-an, WANG Jin-liang
JOURNAL OF NATURAL RESOURCES . 2015, (11): 1872 -1884 .  DOI: 10.11849/zrzyxb.2015.11.008