阿拉善地区近5年生态环境状况及动态变化  

ALxa in recent 5 years ecological environment situation and dynamic change

作　　者：周建秀 谷雨[2,3] 

机构地区：[1]阿拉善盟环境监测站,内蒙古750306 [2]内蒙古自治区环境监测中心站,呼和浩特010010 [3]南京信息工程大学,江苏210044

出　　处：《环境与发展》2013年第9期161-164,共4页Environment & Development

摘　　要：利用遥感与GIS技术,以2006年、2011年Landsat TM卫星遥感图像为基本数据源,对阿拉善地区生态环境现状及动态变化进行了解译,建立了阿拉善地区生态环境遥感监测数据库,分析了阿拉善地区土地利用现状及生态环境变化。结果表明,与2006年比较,近5年阿拉善地区生态环境质量总体状况略有变化,生态环境评价指标体系中全盟生物丰度、植被覆盖指数呈现好转趋势,但由于气候逐年趋于干旱阿拉善地区水网密度指数的下降和土地退化指数的增加,同时由于环境质量人为负面影响没有得到根本遏制,致使近5年间全盟生态生境状况略微变差。Using remote sensing and GIS technology, with 2006, 2011 Landsat TM satellite remote sensing image as the basic data for ALaShan region, the present situation of the ecological environment and the dynamic changes of the understanding, the establishment of a ALaShan region ecological environment remote sensing monitoring database, this paper analyzes the present situation of land utilization ALAS- ban area and the ecological environment change. The results show that, with 2006 comparison, nearly five years ALaShan area ecological en- vironment quality overall situation a little change, the ecological environment evaluation index system QuanMeng biological abundance, vege- tation cover index trend appears to be on the mend, but as a result of climate year by year ALaShan tends to drought area of density index de- cline and the land degradation index increased, at the same time due to the environmental quality human negative effects, which are not fun- damental contain nearly five years QuanMeng ecological habitat condition slightly variation.

关 键 词：遥感 土地利用 生态环境 阿拉善地区 

分 类 号：X171.4[环境科学与工程—环境科学]