毛乌素沙地景观生态风险时空演变及驱动力
李思琪, 王海兵, 袁晓飞, 敖胡日查, 杨皓钦

Temporal and spatial evolution of landscape ecological risks and driving forces in the Mu Us Sandy Land
Siqi Li, Haibing Wang, Xiaofei Yuan, Huricha Ao, Haoqin Yang
表3 19902023年毛乌素沙地景观生态风险驱动因素单因子贡献度 (%)
Table 3 One-factor contributions to drivers of landscape ecological risk in the Mu Us Sandy Land1990 -2023
影响因素因子年份
19901995200020052010201520202023

自然

因素

归一化植被指数31.6832.1733.8029.9729.8233.25
高程3.553.553.265.3311.8912.1610.359.47
坡度0.210.210.410.100.240.170.180.12
年降水量5.295.298.395.7915.238.7613.0712.89
年平均气温5.295.297.356.669.388.776.675.67

社会

经济

因素

GDP密度2.962.962.752.261.521.471.18
人口密度4.484.481.355.9811.3312.858.45
夜间灯光指数4.484.485.402.991.031.811.72
人为干扰度3.923.920.142.181.531.261.541.18