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[1]TIAN Xiaosong,ZHENG Jiebing,ZHOU Chunrong,et al.Impact Assessment and Modified Strategy of Land Reclamation in Mining Area -A Case Study of Limestone Mine in Chongqing City[J].Research of Soil and Water Conservation,2015,22(01):235-240.

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Impact Assessment and Modified Strategy of Land Reclamation in Mining Area -A Case Study of Limestone Mine in Chongqing City

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 22 Number of periods: 2015 01 Page number: 235-240 Column: Public date: 2015-02-28

Title:: Impact Assessment and Modified Strategy of Land Reclamation in Mining Area -A Case Study of Limestone Mine in Chongqing City

Author(s):: TIAN Xiaosong^1,2, ZHENG Jiebing^1,2, ZHOU Chunrong^1,2, TAN Xianlong^1,2; 1. Chongqing Key Laboratory of Exogenic Mineralization and Mine Environment, Chongqing Institute of Geology and Mineral Resources, Chongqing 400042, China;
2. Chongqing Research Center of State Key Laboratory of Coal Resource and Safe Mining, Chongqing

Keywords:: land reclamation; impact assessment; strategy of land reclamation; ecosystem service value; agricultural productivity; limestone mine in Chongqing City

CLC:: F311

DOI:: -

Abstract:: Double impact assessment systems on agricultural productivity and ecosystem services value were constructed in this study, and examples of impact on agricultural productivity and the value of ecosystem services in land reclamation area were analyzed in order to modified ideas on land reclamation. The land reclamation altered land use structure in mining area. Cultivated area increased from 16.42 hm² to 103.18 hm², woodland area decreased from 105.78 hm² to 9.16 hm². The agricultural productivity index imposed a negative effect with a decreasing tendency from 597.67×10⁴ to 157.90×10⁴ yuan per year. The significant change of ecosystem service value functions was biodiversity in mining area, ΔSEV was about -329.08×10⁴ yuan per year. Land reclamation planning had the opposite effect on the agricultural productivity and ecological environment in mining area, that was to say that direction land reclamation was diversity. Based on the analyses mentioned above, the evaluation results could be used to modify strategy on land reclamation.

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