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Dynamic Analysis of Ecological Environment Quality Combined with Water Conservation Changes in National Key Ecological Function Areas in China

Author

Listed:
  • Jie Xu

    (Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
    College of Resources and Environment, University of the Chinese Academy of Sciences, Beijing 100049, China)

  • Gaodi Xie

    (Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
    College of Resources and Environment, University of the Chinese Academy of Sciences, Beijing 100049, China)

  • Yu Xiao

    (Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
    College of Resources and Environment, University of the Chinese Academy of Sciences, Beijing 100049, China)

  • Na Li

    (China Aerospace Science & Industry Academy of Information Technology, Beijing 100070, China)

  • Fuqin Yu

    (Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
    College of Resources and Environment, University of the Chinese Academy of Sciences, Beijing 100049, China)

  • Sha Pei

    (Beijing Municipal Research Institute of Environmental Protection, Beijing 100037, China)

  • Yuan Jiang

    (Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China)

Abstract

The shortage of water resources is a key factor limiting the sustainability of the economy and society. Most of the 25 National Key Ecological Function Areas (NKEFAs) in China serve as a source and supplementation for numerous rivers and playing an important role in water resource conservation. Based on the analysis of eco-environmental quality changes in NKEFAs, this study analyzed the spatial pattern of water conservation services in 2000 and 2010 by using a water balance equation. The results indicate that the land cover type of NKEFAs was dominated by grassland, and the proportion of ecological land conversion to non-ecological land (0.3%) was higher than that of non-ecological land conversion to ecological land (0.21%). The fractional vegetation coverage (FVC) and biomass density of NKEFAs gradually decreased from southeast to northwest. The FVC of the Changbai Mountain Forest Function Area (CBS) was the highest, while the biomass density and total biomass were highest in mountain areas in the Middle of Hai’nan Island (HND) and in the Great Khingan and Lesser Khingan Mountains (XAL) respectively. The FVC and biomass of NKEFAs mostly increased in 2000–2010. Water conservation amounts of NKEFAs decreased from southeast to northwest. The average water conservation and total water conservation amount of Nanling Mountain (NL), Guangxi-Guizhou-Yunnan (GQD), and the Wuling Mountain Function Area (WLS) were the highest, while the Yinshan Mountain (YS), Alkin Grassland (AEJ), and the Qilian Mountain Function Area (QLS) had the lowest values. In 2000–2010, the water conservation service of 60% of NKEFAs decreased. Spatial and temporal differences in water conservation services are the result of a combination of ecological environment quality and meteorological conditions. Protection of the ecological environment and vegetation coverage improvement should be strengthened to enhance the function of water conservation.

Suggested Citation

  • Jie Xu & Gaodi Xie & Yu Xiao & Na Li & Fuqin Yu & Sha Pei & Yuan Jiang, 2018. "Dynamic Analysis of Ecological Environment Quality Combined with Water Conservation Changes in National Key Ecological Function Areas in China," Sustainability, MDPI, vol. 10(4), pages 1-18, April.
    • Handle: RePEc:gam:jsusta:v:10:y:2018:i:4:p:1202-:d:141320
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    References listed on IDEAS

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    1. Na Li & Gaodi Xie & Changshun Zhang & Yu Xiao & Biao Zhang & Wenhui Chen & Yanzhi Sun & Shuo Wang, 2015. "Biomass Resources Distribution in the Terrestrial Ecosystem of China," Sustainability, MDPI, vol. 7(7), pages 1-17, July.
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    Cited by:

    1. Nairong Tan & Xiaoying Chang & Tao Ma, 2023. "Study on Production–Living–Ecological Function Accounting and Management in China," Land, MDPI, vol. 12(6), pages 1-23, May.
    2. Rao, Yongheng & Zhang, Jianjun & Wang, Ke & Wu, Xia, 2019. "How to prioritize protected areas: A novel perspective using multidimensional land use characteristics," Land Use Policy, Elsevier, vol. 83(C), pages 1-12.
    3. Junlong Li & Chuangneng Cai & Feng Zhang, 2020. "Assessment of Ecological Efficiency and Environmental Sustainability of the Minjiang-Source in China," Sustainability, MDPI, vol. 12(11), pages 1-15, June.
    4. Tongyue Zhang & Mengyang Hou & Liqi Chu & Lili Wang, 2022. "Can the Establishment of National Key Ecological Function Areas Enhance Vegetation Carbon Sink? A Quasi-Natural Experiment Evidence from China," IJERPH, MDPI, vol. 19(19), pages 1-21, September.
    5. Boxuan Zhao & Shujie Li & Zhaoshun Liu, 2022. "Multi-Scenario Simulation and Prediction of Regional Habitat Quality Based on a System Dynamic and Patch-Generating Land-Use Simulation Coupling Model—A Case Study of Jilin Province," Sustainability, MDPI, vol. 14(9), pages 1-24, April.
    6. Huan Wang & Chao Zhang & Li Li & Wenju Yun & Jiani Ma & Lulu Gao, 2021. "Delimitating the Ecological Spaces for Water Conservation Services in Jilin Province of China," Land, MDPI, vol. 10(10), pages 1-17, September.
    7. Yongbin Zhang & Tanglei Song & Jihao Fan & Weidong Man & Mingyue Liu & Yongqiang Zhao & Hao Zheng & Yahui Liu & Chunyu Li & Jingru Song & Xiaowu Yang & Junmin Du, 2022. "Land Use and Climate Change Altered the Ecological Quality in the Luanhe River Basin," IJERPH, MDPI, vol. 19(13), pages 1-22, June.

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