Quantitative Evaluation of Vegetation Impact in Typical Rare Earth Mining Areas Using Remote Sensing
This study aims to systematically investigate the vegetation impacts of small-scale mining from three aspects:Normalized Difference Vegetation Index(NDVI),Ecological Remote Sensing Index(RSEI),and vegetation carbon storage.The NDVI results indicate that the vegetation in small-scale mining areas has gone through two stages of fluctuating downward and slow upward,mainly due to the government's regulatory role,and the ecological environ-ment in the mining areas has gradually recovered;RSEI shows that the core area of the mining area has poor natural vegetation growth,and the edge areas have been well restored;According to vegetation carbon storage,the mining ar-ea lost 1 866.1 t,with a loss ratio of 95.9%compared to the surrounding unexplored areas,which is basically equivalent to complete loss;The ecological restoration area lost 368.6 t,accounting for 79.2%of the loss;Both have suffered severe vegetation damage.This study reveals the vegetation impact caused by small-scale rare earth deposit mining,providing scientific basis for the green and sustainable development of rare earth deposits in the future.
万方数据
维普
