Re\|vegetation in mining wasteland is a principal part of the eco\|environment construction,and an important guarantee of sustainable development in mining areas.This research took the re\|vegetation of No.1 tailing dam in Dexing Copper Mine as an example.Through the analysis of the site environmental condition and the survey of natural vegetation types in the area,the selection of suitable pioneer plant species,and the experiments of artificial re\|vegetation in the tailing sand,the following preliminary r...