京津风沙源治理工程区生态环境质量及驱动力
王卫国, 谢欢, 冯国庆, 家淑珍

Ecological environment quality and driving forces in the Beijing-Tianjin Sandstorm Source Control Project area
Weiguo Wang, Huan Xie, Guoqing Feng, Shuzhen Jia
表4 影响指标 q 值表
Table 4 Area and ratio on the different classes of ecological quality in the BTSSCPA from 2000 to 2020
探测指标2000年2010年2020年2000—2020年平均
q排序q排序q排序q排序
年降水量0.59310.57420.50220.5562
NPP0.56720.79610.82510.7291
生境质量指数0.42130.40640.24260.3564
坡度0.35540.37650.32640.3525
土地利用强度0.34150.41030.37630.3763
GDP0.32860.27960.26750.2916
水土流失指数0.24770.26270.24170.2507
人口密度0.23980.154100.14390.1799
土壤有机质含量0.21890.23980.23180.2298
高程0.151100.15690.134100.14710
年均气温0.063110.079110.072110.07111