| At present, by the constant deepening of quarry mining caused very serious damage and influence. Activities of exploiting quarry have brought the huge negative influence for the ecological environment. The ecological restoration of mining disposal site already thinks highly by countries all over the word and the project must be done imperatively. Therefore, establishing a applicable theory system about ecological restoration quality evaluation for the quarry rock slope have the vital practical significance.The study is based on restoration ecology and its basic theory as the research foundation. Through field investigation, consulting relevantly experience experts and reading a large number of documents, these studies have got an access to a large number of experimental data. The research content mainly dedicated to the following three aspects:①the characteristics of plant community of quarry rock slope in different ecological restoration technical measures;②build the comprehensive evaluation system about quarry rock slope ecological restoration;③the comprehensive evaluation about5port rock slope of Huangjing Mountain in Huangshi city.On a lot of research data on the basis of study and analysis, this paper has the following main findings:(1)The initial study on five kinds of ecological restoration measures and seven samples of quarry rock slope shows:The prefabricated floating slab method and the floating plate planter method have the highest diversity of species and species richness. The general order about species diversity on different ecological restoration technology is:plate groove technology>lattice beam technology> net type of climbing plant slope protection technology>the hanging wire external-soil spray sowing technology> lattice beam technology; The quarry rock slope of "FuYuan" and "Feng Yatai" have the higher diversity of species and species richness, but the Landscape level and diversity of species are single in quarry rock slope of "institute of Public Administration".(2) This article compare multiple ecological restoration quality evaluation factors about quarry rock slope selecting out four evaluation indexes such as "aesthetics of landscape","plant communities","soil quality" and "social function". This four evaluation indexes contain nineteen factors which constituting the model of ecological restoration quality evaluation for the quarry rock slope. The initial comparing of the method for quality assessment of ecological restoration, a model of AHP-fuzzy comprehensive evaluation is designed. Then detailed description for fundamental theory and steps of using the method of analytic hierarchy process to confirm indicator weight and fuzzy comprehensive evaluation to make a comprehensive evaluation is provided.(3) The weight of each factor is calculated by Analytical Hierarchy Process (AHP). The results show that the most important index is plant communities. The second significant index is "aesthetics of landscape".other factors ordinal is "soil quality" and "social function". In nineteen factors, the most important factor is "Vegetation cover rate" which Weight value is0.2735; And then "species diversity","plant appearance","Pielou","color and seasonal of plant","available depth of soil" which these Weight value are more than0.5; While "soil available phosphorus","soil available potassium" and "pH", the weight value of these three factors are all less than0.01which are the least important; And the other factors weight value are all in between0.01and0.03such as "ecosystem stability","heterogeneity of community spatial" and "levels of abundance" and so on.(4) Take the5port rock slope of Huangjing Mountain in Huangshi city as an example to build a model of AHP-fuzzy comprehensive evaluation for ecological restoration of quarry rock slope. The results show that the index of "plant communities" evaluation rating is "excellent". The "aesthetics of landscape","soil quality" and "social function" ratings are "good". According to the principle of maximum degree of membership, the evaluation rating is "excellent" of the Huangjing Mountain rock slope. |
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