Full
Outline
In order to objectively evaluate the low-carbon ecological construction effect of mines and promote the coordinated development of economic construction and environmental protection of mining enterprises, an evaluation index system was established based on the framework of DPSIR. The index weight algorithm of DPSIR-DEMATEL-AHP was constructed using the DEMATEL method and AHP method. Using the interval number optimal algorithm and the binary connection number optimal algorithm, a method for evaluating the low-carbon ecological construction effect in mines based on interval number goodness was established to objectively reveal the close degree connection among the driving force of mining enterprise development, ecological environment pressure, environmental quality status of mining areas, the impact of mining on the environment and the response of mining enterprises. It provided a basis for dynamic evalution of the low-carbon ecological construction effect in mines and analysis of the key factors affecting low-carbon ecological construction. The model method was used to evaluate the low-carbon ecological construction effect of an open-pit mine and analyze its key influencing factors. The results show that the low-carbon ecological construction effect of this mine is the best in 2021 and the worst in 2020. Important measures to improve the effectiveness of low-carbon ecological construction in mines include enhancing the mining profit margin, saving energy and increasing efficiency in mines and reducing the CO2 emissions, enhancing the solid waste utilization per unit of industrial output value, increasing the greening coverage rate in mining, implementing effective dust-reducing measures, strengthening the management of key work processes in mine production, as well as enhancing the coverage rate of energy-saving and emission-reduction campaigns and training and so on.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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