基于AHP与改进型MEDALUS模型耦合的科尔沁沙地土地沙漠化敏感性综合评价
段翰晨, 黄背英

Comprehensive evaluation of land desertification sensitivity in the Horqin Sandy Land based on the coupling of AHP and improved MEDALUS model
Hanchen Duan, Beiying Huang
表3 植被指标类别、分值及权重
Table 3 Categoriesscores and weights of vegetation indicators
指标类别描述分值权重
植被 盖度V11>45%10.0284
235%~45%1.40.0609
321%~35%1.60.1317
4<21%20.2789
侵蚀 防护V21落叶阔叶林、混交林10.0095
2有林草地、草地、农田/自然覆被、开阔灌木丛、稀树草原、永久湿地、水域1.50.0203
3耕地、城镇建设用地1.70.0439
4裸地20.0930
抗旱 性V31<0.5510.0095
20.55~0.581.30.0203
30.58~0.61.60.0439
4>0.620.0930
NPP (以C 计量)V41>347 g·m210.0095
2235~347 g·m21.30.0203
3150~235 g·m21.60.0439
4<150 g·m220.0930