半干旱典型风沙区植被覆盖度演变与气候变化的关系及其对生态建设的意义

王旭洋, 李玉霖, 连杰, 段育龙, 王立龙

Relationship between vegetation coverage and climate change in semi-arid sandy land and the significance to ecological construction

Xuyang Wang, Yulin Li, Jie Lian, Yulong Duan, Lilong Wang

表1 NDVI变化驱动力分区准则

Table 1 The criteria used for classification of the driving factors for dynamic changes of the normalized-difference vegetation index (NDVI).

NDVI变化驱动因子 C1 C2 C3 气候因子 [T+P]+ P < 0.01 P < 0.01 P < 0.05 T P < 0.01 P ≥ 0.01 P < 0.05 P P ≥ 0.01 P < 0.01 P < 0.05 [T+P] P ≥ 0.01 P ≥ 0.01 P < 0.05 非气候因子 NC P ≥ 0.01 P ≥ 0.01 P ≥ 0.05