Full
Outline
Aiming at the ecological degradation and damage mechanism of open-pit limestone mines in Jinan, the evaluation index system of ecological vulnerability of open-pit limestone mines in Jinan was constructed based on the "pressure-state-response" (PSR) model framework, including the ecological and environmental elements of the mining area. The engineering application analysis was carried out in Lijiawo abandoned open-pit mine in Jinan. The research shows that the four indicators of landslide prone degree, degree of surface subsidence in the mining area, vegetation coverage and soil erosion can be restored in a short time, which can be used for the acceptance of ecological restoration projects and the evaluation of short-term restoration effects in mine. The measures taken to achieve the short-term restoration effect of ecological system in mines can be regarded as the starting point of the artificial promotion of natural restoration mode. The inverse method based on the limit value of EVI can be used to quantify the degree of artificial interference, and it is considered that the vegetation coverage can achieve ideal natural restoration effect when EVI=3.75. The research puts forward the ecological restoration strategy of "ecological remodeling, regional renovation, landscape reconstruction", which can provide theoretical basis and practical guidance for the ecological restoration work in similar mining areas.
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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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