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The ecological potential of a restored abandoned quarry ecosystem in Mt. Mufu, Nanjing, China
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The ecological potential of a restored abandoned quarry ecosystem in Mt. Mufu, Nanjing, China  
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In order to conserve the remaining rare dolomite rocks and restore Mt. Mufu, a forest restoration program has been implemented over ten years. Emergy analysis was used to evaluate the current status of the restored ecosystem, in addition, the ecological potential of the fully developed system was predicted and analyzed. Four main emergy indices of the two systems, EYR, EIR, ELR, and ESI, were calculated and compared. In addition, a relatively new emergy index, PYR, was used to evaluate the restored forest system's ecological potential. The results revealed that the current restored forest system was still in the initial stage of ecological restoration but it has already resulted in several positive effects, such as richness of plant biodiversity and improving air condition. The value of the predicted system's PYR is as great as 201.53, demonstrating that the restored forest system has a great potential for ecological development in the future.
Journal: Ecological Engineering - ECOL ENG , vol. 37, no. 6, pp. 833-841, 2011
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