六盘水师范学院学报Issue(3)：18-24,7.DOI:10.16595/j.1671-055X.2015.03.005
大方县退耕还林十年植被恢复变化的研究
Research on Variations of Vegetation Restoration of 10-Year Returning Cropland to Forest In Dafang Country
殷健 1吴松1
作者信息
- 1. 贵州师范大学地理与环境科学学院，贵阳550001
- 折叠
摘要
Abstract
To evaluate the benefit of returning cropland to forest, close attention has been paid to the changes during the project being put in practice in Dafang Country. By taking landsat TM images in 2000 and 2010 as data source and with the help of the platform of ARCGIS and ERDAS software, research and monitor of a lot of changes—the variation of vegetation coverage, vegetation types, different slope of vegetation restoration and the quality of ecological environment have been recorded since returning farmland to forest conducted in Dafang County so as to auantitative analysis them.It indicates that:compared to 2000, in the 2010 year, low vegetation coverage area has significantly reduced, above moderate coverage area of vegetation coverage in-creased significantly;farmland mainly converted to woodland, grassland and orchard, among which the most significant increase in forest area; the range of above15 degrees of slope forest area has increased from 18.67%in 2000 increased to 25.85%in 2010;the quality of ecological environment of the country has been improved and the index has been increased by 0.0443,the overall improvement of environmental quality ef-fect is remarkable.关键词
退耕还林/植被恢复/植被覆盖度/生态环境指数Key words
returning cropland to forest/vegetation restoration/vegetation coverage/ecological environment index分类
农业科技引用本文复制引用
殷健,吴松..大方县退耕还林十年植被恢复变化的研究[J].六盘水师范学院学报,2015,(3):18-24,7.
