Standard of Ecological Compensation for Paddy Fields Transferring into Dry Land in Coal Mining Collapsed Zone Based on the Concept of Virtual Water: Case Study on Songzao in Chongqing

CHENG Liu-san; SHI Wei-yu

doi:10.11988/ckyyb.20140275

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Journal of Changjiang River Scientific Research Institute ›› 2015, Vol. 32 ›› Issue (9) : 42-46. DOI: 10.11988/ckyyb.20140275

WATERSOIL CONSERVATION AND ECOCONSTRUCTION

Standard of Ecological Compensation for Paddy Fields Transferring into Dry Land in Coal Mining Collapsed Zone Based on the Concept of Virtual Water: Case Study on Songzao in Chongqing

CHENG Liu-san¹, SHI Wei-yu²

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Abstract

To scientifically determine the cost of eco-environmental damage is a focus and difficult issue in researches of ecological compensation. In this paper we take the transformation of paddy field into dry land (a pattern of land degradation caused by coal mine collapse) as research object, and analyse the changes of water factors (in terms of water cycle and eco-protection) from paddy field to dry land through literature review and household survey. On this basis, we introduce the concept of virtual water trade to determine the feasibility of eco-compensation standard for paddy field transferring into dry land. This research could be a reference for the eco-compensation mechanism and decision-making in coal mining collapse areas.

Key words

Karst / soil water resources / virtual water / ecological compensation / soil and water conservation

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CHENG Liu-san, SHI Wei-yu. Standard of Ecological Compensation for Paddy Fields Transferring into Dry Land in Coal Mining Collapsed Zone Based on the Concept of Virtual Water: Case Study on Songzao in Chongqing[J]. Journal of Changjiang River Scientific Research Institute. 2015, 32(9): 42-46 https://doi.org/10.11988/ckyyb.20140275

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