Full
Outline
Abandoned open-pit mine has caused serious damage to the ecological environment of the mining area and its surrounding areas, causing a series of problems such as geological disasters, soil erosion and landscape destruction. The ecological restoration and management of abandoned open-pit mine is not only an effective means to build green mines, but also an important way to promote the sustainable development of resource-based cities. Taking a stone mining area in Chifeng City as the research background, the damage status, existing problems and hazards of abandoned open-pit mine in this area were analyzed, and the planning ideas and management modes suitable for this area were put forward. The seven project deployments and corresponding main technical measures involved in the project implementation process were discussed in detail. The results show that the management technology of abandoned open-pit mine is difficult and the success rate of ecological restoration is low. Especially, the exposed slope and rock wall area need to increase the depth of research and management. There are various management modes for abandoned open-pit mines. It is necessary to select one or more suitable combination modes according to their site conditions and influencing factors, and connect them with local planning at all levels. The management of abandoned open-pit mine involves many treatment objectives such as mine, waste dump, slope and soil field. Its management is a complex system engineering. In planning and design, all factors should be taken into account to avoid blind management.
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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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