Abstract: This paper uses the representative sampling to survey the vegetation situation of Qinyuan's abandoned bauxite mines based on 32 samples and 42 species. Samples are divided into 6 clusters by using TWINSPAN, whose features are described. Vegetation species are less in abandoned mine lands that impact local society and environment. This paper uses the biological restoration at a lower cost, a mixture of planting trees, shrubs and grasses to restore the abandoned mine lands, thus improving the local ecology. Human planted Pinus tabulaeformis, Rhus Typhina, Vitex negundo, Hippophae rhamnoides, Festuca arundinace can not only improve the local ecology, but also be of economic values.

Key words: TWINSPAN, representative sampling, vegetation restoration, Qinyuan county

摘要： 采用典型取样法，对山西沁源县铝矿废弃地的植被资源现状进行调查，选取32个样方，记录42个物种。采用TWINSPAN等级分类方法，将样品划分为6个群丛，并描述各群丛的特征。调查结果表明，矿区废弃地的植被种类较少，并且废弃地还会对当地社会和环境产生许多不利影响。选用投资成本较小的生物修复方法——乔灌草复合混交的植物种植模式，对矿区废弃地进行改造，改善矿区废弃地的生态环境，人工种植一些物种，如油松、侧柏、火炬树、荆条、沙棘、高羊茅等，变废为宝，充分发挥废弃地的生态功能，为当地经济、社会和环境的协调发展提供参考。

关键词: TWINSPAN, 典型取样法, 植被恢复, 沁源县