基于改进的遥感生态指数(MRSEI)的青海省都兰县生态环境质量评价
贾浩巍, 颜长珍, 邢学刚, 谢家丽, 冯坤

Evaluation of ecological environment in the Dulan County based on the Modified Remote Sensing Ecological Index Model
Haowei Jia, Changzhen Yan, Xuegang Xing, Jiali Xie, Kun Feng
表4 都兰县19952015年各生态等级面积和比例
Table 4 Area and proportion of different grades in Dulan County from 1995 to 2015
级别1995年2005年2015年
面积/km2占比/%面积/km2占比/%面积/km2占比/%
18 587.70041.3215 044.8033.4912 084.60026.90
较差15 211.60033.8116 632.5037.0213 924.50030.99
6 169.12013.717 450.4916.5810 413.40023.18
2 726.3506.063 610.518.045 044.29011.23
2 291.1105.092 188.244.873 458.5607.70
总计44 985.880100.0044 926.54100.0044 925.350100.00