基于GIS与地理探测器的岩溶槽谷石漠化空间分布及驱动因素分析
王正雄,蒋勇军,张远嘱,段世辉,刘九缠,曾泽,曾思博

Spatial distribution and driving factors of karst rocky desertification based on GIS and geodetectors
WANG Zhengxiong,JIANG Yongjun,ZHANG Yuanzhu,DUAN Shihui,LIU Jiuchan,ZENG Ze,ZENG Sibo
表7 岩溶槽谷区石漠化在不同第一产业总值下的分布
Tab. 7 Distribution of rocky desertification under different total output value of primary industry in karst trough area
第一产业总值(亿元)
(面积/km2)
轻度石漠化
(km2)
中度石漠化
(km2)
重度石漠化
(km2)
石漠化
总面积
发生率
(%)
0~10(47260.2) 2080.2(17.5%) 996.7(11.6%) 84.3(10.3%) 3161.2 6.7
10~25(45223.8) 2921.6(24.6%) 1683.3(19.5%) 269.6(33.2%) 4874.5 10.8
25~50(20294.3) 3033.2(25.5%) 2288.6(26.6%) 95(11.7%) 5416.8 24.7
> 50(19341.6) 3859.8(32.4%) 3647.2(42.3%) 364.2(44.8%) 7871.2 28.0
总计(132119.9) 11894.8(100%) 8615.8(100%) 813.1(100%) 20323.7 16.10