TY - JOUR
T1 - Quantifying surface coal-mining patterns to promote regional sustainability in Ordos, Inner Mongolia
AU - Zeng, Xiaoji
AU - Liu, Zhifeng
AU - He, Chunyang
AU - Ma, Qun
AU - Wu, Jianguo
N1 - Funding Information:
We would like to thank the anonymous reviewers for their valuable comments and suggestions. This work was supported in part by the National Basic Research Program of China (Grant Nos. 2014CB954303 and 2014CB954302) and the National Natural Science Foundation of China (Grant Nos. 41621061 and 41501195). It was also supported by Fundamental Research Funds for the Central Universities, the project from the State Key Laboratory of Earth Surface Processes and Resource Ecology, China, and the China Scholarship Council (File No. 201606040136).
Publisher Copyright:
© 2018 by the authors.
PY - 2018/4/10
Y1 - 2018/4/10
N2 - Ordos became the new "coal capital" of China within a few decades since the country's economic reform in 1978, as large-scale surface coal mining dramatically propelled its per capita GDP from being one of the lowest to one of the highest in China, exceeding Hong Kong in 2009. Surface coal-mining areas (SCMAs) have continued to expand in this region during recent decades, resulting in serious environmental and socioeconomic consequences. To understand these impacts and promote regional sustainability, quantifying the spatiotemporal patterns of SCMAs is urgently needed. Thus, the main objectives of this study were to quantify the spatiotemporal patterns of SCMAs in the Ordos region from 1990 to 2015, and to examine some of the major environmental and socioeconomic impacts in the study region. We extracted the SCMAs using remote-sensing data, and then quantified their spatiotemporal patterns using landscape metrics. The loss of natural habitat and several socioeconomic indicators were examined in relation to surface coal mining. Our results show that the area of SCMAs increased from 7.12 km2 to 355.95 km2, an increase of nearly 49 times from 1990 to 2015 in the Ordos region. The number of SCMAs in this region increased from 82 to 651, a nearly seven-fold increase. In particular, Zhungeer banner (an administrative division), Yijinhuoluo banner, Dongsheng District and Dalate banner in the north-eastern part of the Ordos region had higher growth rates of SCMAs. The income gap between urban and rural residents increased along with the growth in SCMAs, undermining social equity in the Ordos region. Moreover, the rapid increase in SCMAs resulted in natural habitat loss (including grasslands, forests, and deserts) across this region. Thus, we suggest that regional sustainability in Ordos needs to emphasize effective measures to curb large-scale surface coal mining in order to reduce the urban-rural income gap, and to restore degraded natural ecosystems.
AB - Ordos became the new "coal capital" of China within a few decades since the country's economic reform in 1978, as large-scale surface coal mining dramatically propelled its per capita GDP from being one of the lowest to one of the highest in China, exceeding Hong Kong in 2009. Surface coal-mining areas (SCMAs) have continued to expand in this region during recent decades, resulting in serious environmental and socioeconomic consequences. To understand these impacts and promote regional sustainability, quantifying the spatiotemporal patterns of SCMAs is urgently needed. Thus, the main objectives of this study were to quantify the spatiotemporal patterns of SCMAs in the Ordos region from 1990 to 2015, and to examine some of the major environmental and socioeconomic impacts in the study region. We extracted the SCMAs using remote-sensing data, and then quantified their spatiotemporal patterns using landscape metrics. The loss of natural habitat and several socioeconomic indicators were examined in relation to surface coal mining. Our results show that the area of SCMAs increased from 7.12 km2 to 355.95 km2, an increase of nearly 49 times from 1990 to 2015 in the Ordos region. The number of SCMAs in this region increased from 82 to 651, a nearly seven-fold increase. In particular, Zhungeer banner (an administrative division), Yijinhuoluo banner, Dongsheng District and Dalate banner in the north-eastern part of the Ordos region had higher growth rates of SCMAs. The income gap between urban and rural residents increased along with the growth in SCMAs, undermining social equity in the Ordos region. Moreover, the rapid increase in SCMAs resulted in natural habitat loss (including grasslands, forests, and deserts) across this region. Thus, we suggest that regional sustainability in Ordos needs to emphasize effective measures to curb large-scale surface coal mining in order to reduce the urban-rural income gap, and to restore degraded natural ecosystems.
KW - Environmental sustainability
KW - Ordos
KW - Socioeconomic conditions
KW - Spatiotemporal patterns
KW - Surface coal-mining area
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U2 - 10.3390/su10041135
DO - 10.3390/su10041135
M3 - Article
AN - SCOPUS:85045250596
SN - 2071-1050
VL - 10
JO - Sustainability
JF - Sustainability
IS - 4
M1 - 1135
ER -