| Hebei province is a big province of mineral resources,which has a long history of resource development.Abandoned is destroying the ecological environment,but also hindered the development of society,human progress,the ecological restoration of abandoned mines has become a huge problem we face,therefore,how to better achieve the restoration and reconstruction of ecological environment in mining wasteland,is of great significance for improving the ecological environment and economic construction in Hebei.Study on ecological restoration of the history and the status quo of the development of mines at home and abroad the study firstly analyzed,present several commonly used remediation and repair methods are introduced,and summarizes the current research progress on micro site type classification in Hebei Province,Luanxian stone abandoned mine as an example,through the classification of types of damage and repair unit the choice of repair mode were studied under different site conditions and different repair mode repair effect.The results show that:(1)Damage by destroying the types of mining wasteland,classification of concrete damage,the test area is divided into 3 major areas: a total of 13 small areas,the mortar rubble retaining wall soil storage green pattern,floating Taiwan green pattern,soil mixed with green mode of 11 kinds of ecological restoration mode;(2)11 repair mode the abandoned mines produce good repair effect,repair after one year,the test area of vegetation growth has been significantly improved,soil erosion was significantly reduced,significantly enhance the ability of biological savings;(3)By mining wasteland ecological restoration and reconstruction in the test area,total planting cypress and other 7671 trees,medlar 6135 shrubs,planting Ivy 14027 strains,planting herbaceous plant of 4636 square meters,through the collation of land about 15 acres,to achieve the ecological benefits,economic benefits,social benefits and unity. |
PDF Full Text Request