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Eastern China has a long history of coal mining and a large number of coal mine sites have been abandoned in this region leaving a legacy of mining-related land subsidence, coal waste piles and brownfield sites. Furthermore, as a result of the historical planning approach in the region, many cities were built around coal mines. Therefore, the ecological restoration of abandoned mine land has become vital to the sustainable development in these cities. This paper uses the Datong coal mine site in Huainan as a case study to develop a detailed ecological restoration plan and functional division for an abandoned underground coal mine land by considering the local conditions and mining history, site assessment and integrated monitoring tools. [ABSTRACT FROM AUTHOR]

Eco-city construction is a powerful method which can advance a city from traditional industrial civilisation to ecological civilisation. The city of Huaibei, with 50 years of coal mining history, has been listed as a national resource-exhausted city. The city's sustainable development and ecological restoration work face severe challenges. This study presents a time-space evolution analysis of mining subsidence to show the evolution and the distribution of the subsidence area in Huaibei. Intensive use was made of land evaluation to formulate land use measures. According to this analysis, and based on the popular eco-reconstruction movement, suggestions for land reclamation and eco-reconstruction are proposed for the city of Huaibei. The paper aims to make strategic recommendations to help Huaibei city transform from a resource-exhausted city to an eco-city. [ABSTRACT FROM AUTHOR]