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广西平乐锰矿历经数十年露天开采,生态环境遭到严重破坏。根据实地调查及采用ICP-AES、原子吸收法等方法对矿区土壤进行了重金属元素含量和营养元素状况的测定。结果表明,土壤肥力不足和镉元素的严重超标已成为毒害植物和制约植物生长的重要因素之一。根据矿区废弃地的地理位置、地貌及土壤基质特点,结合矿区已采取的生态恢复措施和取得的效果,总结提出合理规划恢复用途和方式,选择梯带平整复垦方式,构建“猪-沼-果”生态模式复垦区和工业建设用地等模式,对露采矿山的环境恢复治理具有一定的指导意义。
After several decades of open-pit mining in Pinglei, Guangxi, the ecological environment has been severely damaged. According to field investigation and determination of heavy metal elements and nutrient elements in the mining area by ICP-AES and atomic absorption spectrometry, The results showed that insufficient soil fertility and serious excessive cadmium have become one of the important factors that poison plants and restrict plant growth. According to the geographical location, landform and soil matrix characteristics of the abandoned land in mining area, combined with the ecological restoration measures and results obtained in the mining area, this paper summarizes the purposes and methods of rational planning and restoration, selects the flat land reclamation method and builds a pig- - Fruit "ecological model reclamation area and industrial construction land and other modes, which have certain guiding significance for the environmental restoration and management of open mining mines.