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ISPRS Int. J. Geo-Inf. 2018, 7(8), 305; https://doi.org/10.3390/ijgi7080305

Prioritizing Abandoned Mine Lands Rehabilitation: Combining Landscape Connectivity and Pattern Indices with Scenario Analysis Using Land-Use Modeling

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College of Resources and Environment Sciences, China Agricultural University, Beijing 100193, China
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Key Laboratory of Arable Land Conservation (North China), Ministry of Agriculture and Rural Affairs, Beijing 100193, China
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Key Laboratory of Agricultural Land Quality, Ministry of Natural Resources, Beijing 100193, China
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People’s Government of Panggezhuang Township, Daxing District, Beijing 102601, China
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College of Earth and Environmental Science, Anhui University of Science and Technology, Huainan 232001, China
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Author to whom correspondence should be addressed.
Received: 8 June 2018 / Revised: 11 July 2018 / Accepted: 20 July 2018 / Published: 31 July 2018
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Abstract

Connectivity modeling approaches for abandoned mine lands (AML) patches are limited in post-mining landscape restoration, especially where great land use changes might be expected due to large-scale land reclamation. This study presents a novel approach combining AML patch sizes with a proximity index to characterize patch-scaled connectivity for determining the spatial positions of patches with huge sizes and high connectivity. Then this study propose a scenario-based method coupled with landscape-scale metrics for quantifying landscape-scaled connectivity, which aims at exploring the optimal reclamation scheme with the highest connectivity. Using the Mentougou District in Beijing, China, as a case study, this paper confirmed which patches should be reclaimed first to meet the predetermined reclamation numbers; then this paper tested three different reclamation scenarios (i.e., cultivated land-oriented, forest-oriented, and construction land-oriented scenarios) to describe the impact of the different development strategies on landscape connectivity. The research found that the forest-oriented scenario increased connectivity quantitatively, showing an increase in the integral index of connectivity (IIC) and other landscape-scale metrics. Therefore, this paper suggests that future land-use policies should emphasize converting AML into more forest to blend in with the surrounding land-use categories. The findings presented here can contribute to better understanding the quantitative analysis of the connectivity of AML patches at both the patch scale and the landscape scale, thus providing scientific support for AML management in mine-site rehabilitation. View Full-Text
Keywords: land reclamation; abandoned mine land; connectivity; proximity index; scenario simulation land reclamation; abandoned mine land; connectivity; proximity index; scenario simulation
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Zhang, L.; Zhang, S.; Huang, Y.; Xing, A.; Zhuo, Z.; Sun, Z.; Li, Z.; Cao, M.; Huang, Y. Prioritizing Abandoned Mine Lands Rehabilitation: Combining Landscape Connectivity and Pattern Indices with Scenario Analysis Using Land-Use Modeling. ISPRS Int. J. Geo-Inf. 2018, 7, 305.

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