Spatio-temporal patterns of ecological capital under different mining intensities in an ecologically fragile mining area in Western China: A case study of Shenfu mining area

Wu XIAO; Wen-kai ZHANG; Xue-jiao LYU; Xin-jing WANG

doi:10.31497/zrzyxb.20200107

Journals >Journal of Natural Resources >Volume 35 >Issue 1 >Page 68 > Article

Journal of Natural Resources
Vol. 35, Issue 1, 68 (2020)

Spatio-temporal patterns of ecological capital under different mining intensities in an ecologically fragile mining area in Western China: A case study of Shenfu mining area

Wu XIAO^1、2、*, Wen-kai ZHANG^2、3, Xue-jiao LYU², and Xin-jing WANG⁴

Author Affiliations

¹School of Public Affairs, Zhejiang University, Hangzhou 310029, China

²Institute of Land Reclamation and Ecological Restoration, China University of Mining and Technology (Beijing), Beijing 100083, China

³Shanxi Key Laboratory of Resources, Environment and Disaster Monitoring, Shanxi Coal Geology Geophysical Surveying Exploration Institute, Jinzhong 030600, Shanxi, China

⁴North China University of Water Resources and Electric Power, Zhengzhou 450045, China

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DOI: 10.31497/zrzyxb.20200107 Cite this Article

Wu XIAO, Wen-kai ZHANG, Xue-jiao LYU, Xin-jing WANG. Spatio-temporal patterns of ecological capital under different mining intensities in an ecologically fragile mining area in Western China: A case study of Shenfu mining area[J]. Journal of Natural Resources, 2020, 35(1): 68 Copy Citation Text

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Fig. 1. Location of the study area (Shenfu coal mine with county boundaries)

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Fig. 2. Spatial change of ecosystem service value

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Fig. 3. Proportions of the area of land use/cover types

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Fig. 4. Ecosystem service value per unit area of land use types

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Fig. 5. The temporal changes of ecological capital in mining area

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Fig. 6. Zoning of mining intensity zoning

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Fig. 7. Change trends of precipitation and temperature in the study area

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采高/m	平面开采比/%
采高/m	≥60	30~60	10~30	≤10
≥4.50	极高	高	中	低
1.30~4.50	高	中	中	低
≤1.30	中	低	低	低

Table 1. Zoning indicator of mining intensity

年份	生态服务功能	未开采区	低强度开采区	中强度开采区	高强度开采区	极高强度开采区	合计
2005	生产有机质	1.91	0.25	0.29	0.53	0.36	3.34
	释放O₂	3.87	0.52	0.59	1.08	0.72	6.77
	固定CO₂	4.39	0.58	0.67	1.22	0.82	7.67
	涵养水源	13.69	1.69	2.05	4.41	2.79	24.61
	水土保持	60.80	12.76	14.71	17.61	11.14	117.03
	营养物质循环	0.26	0.04	0.04	0.07	0.05	0.46
	合计	84.92	15.84	18.33	24.92	15.87	159.88
2010	生产有机质	2.44	0.30	0.36	0.72	0.46	4.28
	释放O₂	4.94	0.62	0.73	1.46	0.92	8.67
	固定CO₂	5.61	0.70	0.83	1.65	1.05	9.83
	涵养水源	14.40	1.70	2.10	4.71	2.88	25.79
	水土保持	72.36	13.78	17.49	22.75	15.01	141.40
	营养物质循环	0.33	0.04	0.05	0.10	0.06	0.58
	合计	100.09	17.14	21.56	31.40	20.37	190.56
2015	生产有机质	2.66	0.27	0.36	0.76	0.46	4.52
	释放O₂	5.38	0.55	0.73	1.54	0.94	9.15
	固定CO₂	6.10	0.62	0.83	1.75	1.06	10.37
	涵养水源	14.29	1.51	1.95	4.54	2.71	25.00
	水土保持	86.87	15.24	19.84	25.90	15.97	163.82
	营养物质循环	0.36	0.04	0.05	0.11	0.06	0.62
	合计	115.67	18.23	23.76	34.61	21.21	213.48
2005-2015年变化率/%		36.21	15.09	30.01	38.88	33.65	33.53

Table 2. Statistics of the ecological capital for five kinds of mining intensity (10¹⁰ Yuan)

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