Full
SHI Zhiqiang,born in 1972,a professor at Chengdu University of Technology,is mainly engaged in research on sedimentology. E-mail: szqcdut@163.com.
Outline
In the margins of the major sedimentary basins in northern and western China,burnt rocks formed from the spontaneous combustion of coal seams are commonly found,resulting in special burnt rock landform. This landform is widely distributed in China,commonly with bright colore. However,its scientific and tourist values have been hardly focused on in literature. Few studies have involved the tourism development of such burnt rock landforms in China. Based on field investigations of outcrop sections,this study classifies these landforms into: burnt hilly landforms(including burnt red hilly landform,burnt colorful hilly landform and peak-covered landform of burnt rocks), erosional landform of burnt rocks(including gully landform,steep cliff landforms), collapse landform and loess-covering burnt rock landform according to the process of coal spontaneous combustion,landform genesis,spatial distribution and color of the burnt rocks. Among them,hilly and erosional landforms are commonly seen,while collapse landform mainly exists in areas where underground coal seams are burning. Loess-covering burnt rock landform formed with the Quaternary loess covering the burnt rocks. The formation of various burnt rock landforms is mainly controlled by such factors as coal seam thickness,stratum occurrence,tectonic movement,river erosion and paleoclimate. Burnt rock landforms should be given more attention due to its scientific value and tourism exploitation value. These burnt rock landforms have significant scientific and tourism development values and deserve appropriate attention.
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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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