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Journal of Resources and Ecology >

2017 , Vol. 8 >Issue 4: 369 - 377

DOI: https://doi.org/10.5814/j.issn.1674-764x.2017.04.008

Research Articles

Ecosystem Service Value Assessment for National Key Eco-function Zones for Water and Soil Conservation

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  • 1. University of Chinese Academy of Sciences, Beijing 100049, China;
    2. Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China

Received date: 2017-04-05

  Revised date: 2017-06-19

  Online published: 2017-07-30

Supported by

National Natural Science Foundation of China (41371486); National Key Research and Development Program (2016YFC0503706, 2016YFC0503403)

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Abstract

National key eco-function zones for water and soil conservation are exceptionally fragile areas in terms of their eco-environments and are also severely affected by water and soil loss. They have been a focus of attention from all sectors of society. This research assesses important ecosystem service functions and their values using such indexes as NPP, soil conservation quantity and water conservation quantity. The result indicates that the ecosystem services of China’s eco-function zones for water and soil conservation are worth 3268.90×108 CNY in total, of which organic matter production accounts for 530.96×108 CNY, nutrient substance circulation and storage 301.91×108 CNY, carbon fixation and oxygen release 1616.16×108 CNY, soil conservation 442.70×108 CNY and water source conservation 816.20×108 CNY. Of the four functional zones, the Guangxi-Guizhou-Yunnan Area registers the highest value of 1551.30×108 CNY, and the Three Gorges Reservoir Area the lowest value of 448.15×108 CNY. In terms of ecosystem service value per unit of area, the Guangxi-Guizhou-Yunnan Area takes the first place, followed by Three Gorges Reservoir Area and the Dabie Mountain Area, which are roughly equivalent, and finally the Loess Plateau Area is at the bottom.

Key words： ecosystem service value; national key eco-function zones; soil erosion; water source conservation

Cite this article

YU Fuqin, LU Chunxia, XIAO Yu, GU Shijie . Ecosystem Service Value Assessment for National Key Eco-function Zones for Water and Soil Conservation[J]. Journal of Resources and Ecology, 2017 , 8(4) : 369 -377 . DOI: 10.5814/j.issn.1674-764x.2017.04.008

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