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Sustainability 2015, 7(7), 8312-8334; doi:10.3390/su7078312

Assessing Landscape Ecological Risk in a Mining City: A Case Study in Liaoyuan City, China

1
Laboratory for Earth Surface Processes, Ministry of Education, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China
2
Key Laboratory for Environmental and Urban Sciences, School of Urban Planning and Design, Shenzhen Graduate School, Peking University, Shenzhen 518055, China
3
Shanghai Urban Planning and Design Research Institute, Shanghai 200040, China
*
Author to whom correspondence should be addressed.
Academic Editors: Shangyi Zhou and Je-Hun Ryu
Received: 29 January 2015 / Revised: 17 June 2015 / Accepted: 18 June 2015 / Published: 29 June 2015
(This article belongs to the Special Issue Landscape and Sustainability)
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Abstract

Landscape ecological risk assessment can effectively identify key elements for landscape sustainability, which directly improves human wellbeing. However, previous research has tended to apply risk probability, measured by overlaying landscape metrics to evaluate risk, generally lacking a quantitative assessment of loss and uncertainty of risk. This study, taking Liaoyuan City as a case area, explores landscape ecological risk assessment associated with mining cities, based on probability of risk and potential ecological loss. The assessment results show landscape ecological risk is lower in highly urbanized areas than those rural areas, suggesting that not only cities but also natural and semi-natural areas contribute to overall landscape-scale ecological risk. Our comparison of potential ecological risk in 58 watersheds in the region shows that ecological loss are moderate or high in the 10 high-risk watersheds. The 35 moderate-risk watersheds contain a large proportion of farmland, and the 13 low-risk watersheds are mainly distributed in flat terrain areas. Our uncertainty analyses result in a close range between simulated and calculated values, suggesting that our model is generally applicable. Our analysis has good potential in the fields of resource development, landscape planning and ecological restoration, and provides a quantitative method for achieving landscape sustainability in a mining city. View Full-Text
Keywords: ecological disturbance; ecological vulnerability; ecological importance; uncertainty analysis; Liaoyuan City; China ecological disturbance; ecological vulnerability; ecological importance; uncertainty analysis; Liaoyuan City; China
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Peng, J.; Zong, M.; Hu, Y.; Liu, Y.; Wu, J. Assessing Landscape Ecological Risk in a Mining City: A Case Study in Liaoyuan City, China. Sustainability 2015, 7, 8312-8334.

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