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Quantitative correlations between soil and plants in reclaimed mining dumps using a coupling coordination degree model

机译:基于耦合协调度模型的填埋场中土壤与植物之间的定量关系

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摘要

It is generally accepted that coevolution between soil and plant has great significance for the sustainable development of mining dumps in fragile eco-environment. However, this was not very clear in opencast mine area located in Western China. Based on comprehensive index systems and a combination of subjective and objective weighting method, a coupling coordination degree model, including comprehensive evaluation function, coupling degree and coupling coordination degree, was established to find the ‘short plank’ of different reclamation patterns and to quantify the status quo of coevolution between soil and plant systems in mined plots. The results indicated that only the plot with Pinus tabuliformis was under synchronous development, a mixed model of Robinia pseudoacacia–Pi. tabuliformis and R. pseudoacacia monoculture were developed with vegetation lagging, while plots R. pseudoacacia–Ulmus pumila–Ailanthus altissima and original landform were soil lagged. All plots were in the state of primary and intermediate coordination. Thus, some effective measures should be taken for the further development in different patterns.
机译:人们普遍认为,土壤和植物之间的共同进化对于脆弱的生态环境中的矿山的可持续发展具有重要意义。但是,这在中国西部的露天矿区中不是很清楚。在综合指标体系和主客观加权相结合的基础上,建立了包括综合评价函数,耦合度和耦合协调度的耦合协调度模型,以寻找不同填海方式的“短板”并对其量化。矿区土壤与植物系统协同进化的现状结果表明,只有油松地块处于同步开发中,是刺槐-Pi的混合模型。油松和伪阿拉伯芥单一栽培在植被落后的情况下得以发展,而伪阿拉伯丁香-乌尔姆斯-普米拉-臭椿和原始地块和原始地貌均被土壤滞后。所有地块均处于初级和中级协调状态。因此,应采取有效措施,以不同方式进一步发展。

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