南宁市历史遗留废弃矿山生态修复问题及技术分析

Analysis of ecological restoration problems and technology of historical abandoned mines in Nanning City

南宁市历史遗留废弃矿山主要生态环境问题有地质环境问题、土地损毁、植被破坏等。南宁市矿山生态修复技术包括表层岩溶带修复、临空面修复、陡坡放缓技术、植物种群配置技术、客土挂网微生物喷播技术、植生袋技术和截排水沟辅助工程等。经过多年的矿山地质环境治理,南宁市部分矿山地质环境取得较好的治理效果和明显的环境、经济、社会效益,达到了减灾防灾、控制水污染、修复山体生态环境的目的。

The main ecological and environmental problems of historical abandoned mines in Nanning City include geological environment problems,land destruction and vegetation damage.The mine ecological restoration technologies in Nanning include epikarst restoration,free face restoration,steep slope mitigation technology,plant population allocation technology,microbial external-soil suspended net spray seeding technology,planting bag technology and interception and drainage ditch auxiliary engineering.After many years of mine geological environment management,the geological environment of some mines in Nanning City has achieved good management effect and obvious environmental,economic and social benefits,and achieved the purpose of disaster reduction and prevention,controlling water pollution and restoration of mountain ecological environment.