岩溶槽谷流域生态环境质量的遥感评定
应奎, 李旭东, 程东亚

Remote sensing assessment of ecological environment quality in karst trough basin
YING Kui, LI Xudong, CHENG Dongya
表1 生态环境评价指标分级标准
Tab.1 Classification criteria for eco-environmental evaluation indicators
等级 植被盖
度/%		 裸土植
被指数		 坡度指
数/(°)		 湿度
指数		 热度指
数/℃
1 (0,10] <-600 (0,5] <-2 000 (0,5]
2 (10,20] (-600 ,0] (5,10] (-2 000,-1 800] (5,10]
3 (20,30] (0,300] (10,15] (-1 800,-1 600] (10,15]
4 (30,40] (300,600] (15,20] (-1 600,-1 400] (15,20]
5 (40,50] (600,900] (20,25] (-1 400,-1 200] (20,25]
6 (50,60] (900,1 200] (25,30] (-1 200,-1 000] (25,30]
7 (60,70] (1 200,1 500] (30,35] (-1 000,-700] (30,35]
8 (70,80] (1 500,1 800] (35,40] (-700,-2 00] (35,40]
9 (80,90] (1 800,2 400] (40,50] (-200,200] (40,45]
10 (90,100] >2 400 >50 >200 >45