Following the ecological concept of"Nature-based Solutions(NbS)",the approach to ecological restoration of abandoned coal mine was discussed.A case study was conducted of Beihu area of Jiulihu wetland in Xuzhou,this paper presents a deep insight into the characteristics and problems of fly ash dumps in abandoned coal mine,coordinates the needs of pollution control,diversified habitat restoration and ecological landscape construction,and proposes a"five-in-one ecological reconstruction strategy for fly ash dumps",and promotes the gradual transformation of"fly ash accumulation sites-low-lying lands-quasi-natural artificial wetlands-natural wetlands"in the study area through measures such as terrain remodeling,water system combing,soil improvement and reclamation,habitat construction,vegetation restoration and healthy water ecosystem construction.In order to provide a low-cost and repeatable practical reference for the reconstruction of healthy wetland ecosystem in the abandoned coal mine.
关键词
煤矿废弃地/粉煤灰堆场/湿地生境恢复/鸟类栖息地恢复/九里湖湿地
Key words
Abandoned Coal mine/Fly ash dump/Wetland habitat restoration/Restoration of bird habitats/Jiuli lake wetland