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Evaluation of the Effectiveness of Water Ecological Restoration Based on the Relationship between the Supply and Demand of Ecological Products—A Case Study of the Yellow River Delta

Author

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  • Jianing Zhang

    (Business School, Hohai University, Nanjing 211100, China
    School of Engineering, University of Birmingham, Birmingham B15 2TT, UK
    Water Resources Economics Research Institute, Hohai University, Nanjing 211100, China)

  • Yeqing Duan

    (Business School, Hohai University, Nanjing 211100, China
    Water Resources Economics Research Institute, Hohai University, Nanjing 211100, China)

  • Shenbei Zhou

    (Business School, Hohai University, Nanjing 211100, China
    Water Resources Economics Research Institute, Hohai University, Nanjing 211100, China)

  • Yuanyuan Huang

    (Business School, Hohai University, Nanjing 211100, China
    Water Resources Economics Research Institute, Hohai University, Nanjing 211100, China)

Abstract

The imbalance between the supply and demand of ecological products between society and ecosystems is an important cause of a series of water ecological problems, and water ecological restoration projects aim to improve the above supply–demand relationship by means of inputs from the social side. For this reason, this paper takes the Yellow River Delta region as an example to launch a study on the assessment of the effectiveness of water ecological restoration projects from the perspective of the supply and demand of ecological products. Specifically, the level of the supply and demand of ecological products, as well as the relationship between the supply and the demand in the studied area, were measured using the equivalent factor approach and the water footprint approach, and the effects of the Yellow River Delta hydro-ecological restoration project were assessed by integrating the following four metrics: land use, supply of ecological products (ecosystem services), demand for ecological products, and the relationship between the supply of and demand for ecological products. The results of this study show that although the hydro-ecological restoration project continues to replenish water resources in the Yellow River Delta region, and promotes the level of ecological product supply in the study area through the restoration of wetlands and water, the growing and excessive demand for ecological products in the study area still puts the local ecosystems at risk of degradation. In the future, the Yellow River Delta region should continue to control the scale of land for production and living on the supply side of ecological products and increase its investment in water ecological restoration, while establishing a highly efficient mode of ecological product development and utilization and a reasonable mechanism for the payment of ecological products on the demand side. In addition, the Yellow River Delta region needs to pay attention to the impacts of rising sea levels and other climatic problems on ecological restoration.

Suggested Citation

  • Jianing Zhang & Yeqing Duan & Shenbei Zhou & Yuanyuan Huang, 2023. "Evaluation of the Effectiveness of Water Ecological Restoration Based on the Relationship between the Supply and Demand of Ecological Products—A Case Study of the Yellow River Delta," Land, MDPI, vol. 12(12), pages 1-18, November.
    • Handle: RePEc:gam:jlands:v:12:y:2023:i:12:p:2093-:d:1284850
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    References listed on IDEAS

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    1. Etienne Fluet-Chouinard & Benjamin D. Stocker & Zhen Zhang & Avni Malhotra & Joe R. Melton & Benjamin Poulter & Jed O. Kaplan & Kees Klein Goldewijk & Stefan Siebert & Tatiana Minayeva & Gustaf Hugeli, 2023. "Extensive global wetland loss over the past three centuries," Nature, Nature, vol. 614(7947), pages 281-286, February.
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