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Transformation Path of Ecological Product Value and Efficiency Evaluation: The Case of the Qilihai Wetland in Tianjin

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  • Hang Yu

    (College of Environmental Science and Engineering, Nankai University, 38 Tongyan Road, Jinnan District, Tianjin 300350, China)

  • Chaofeng Shao

    (College of Environmental Science and Engineering, Nankai University, 38 Tongyan Road, Jinnan District, Tianjin 300350, China)

  • Xiaojun Wang

    (College of Environmental Science and Engineering, Nankai University, 38 Tongyan Road, Jinnan District, Tianjin 300350, China)

  • Chunxu Hao

    (Chinese Academy of Environmental Planning, 8 Anyang Square, Chaoyang District, Beijing 100012, China)

Abstract

In order to protect wetland resources, China has developed wetland conservation policies and has made significant conservation investments, but there is still a lack of pathways for the conversion to economic value, making it difficult to meet the demand for continuous investment. We have explored a sustainable ecological conservation mechanism using the Seven Mile Sea as a case study, so that ecological conservation costs can be transformed into economic development behaviors and ecological benefits and socio-economic development can be integrated. This paper assesses the ecological product value of the Qilihai Wetland based on the ecosystem service function value assessment method, which designs the realization path of ecological product value and predicts the value transformation efficiency. The results show the following: (1) The total value of ecological products in the study area is CNY 569.06 million (USD 78.36 million), and the main sources of value are plant products in the supply service and water purification functions in the regulation service, accounting for 54.05% and 26.10% of the total, respectively. (2) The predicted value realization of ecological products, ideally, is CNY 689.65 million (USD 94.96 million), with a value realization rate of 111.60%. Considering the management policy restrictions in different areas of the Qilihai Wetland, the actual value realization volume is CNY 391.94 million (USD 53.97 million), with a value realization rate of 63.42%. (3) Owing to the restriction of the development policy of supply services and cultural services, the value realization path mainly contains two types: one is to drive the development of supply services and cultural services in the surrounding areas, along with product premiums, to realize value transformation. This path is mainly aimed at the supply of local characteristic products and the development of tourism. The second is to realize the value of regulating services through ecological compensation and ecological equity trading. This path is mainly for the adjustment and support services in the core area and buffer area. According to the pre-accounting results, the contribution rates of the two paths are 62.25% and 37.75%, respectively. The second path should be further effectively developed to improve the contribution rate. This study helps assess the ecological value and important ecological elements of the Qilihai Wetland to ensure effective protection and development of important ecological resources and to achieve the sustainable development of wetland resources. It provides a reference for exploring feasible paths to realize the value of ecological goods.

Suggested Citation

  • Hang Yu & Chaofeng Shao & Xiaojun Wang & Chunxu Hao, 2022. "Transformation Path of Ecological Product Value and Efficiency Evaluation: The Case of the Qilihai Wetland in Tianjin," IJERPH, MDPI, vol. 19(21), pages 1-22, November.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:21:p:14575-:d:964950
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    2. Cong Liu & Wenlai Jiang & Yang Liu & Yunfei Liu, 2023. "Evaluation for Water and Land Resources System Efficiency and Influencing Factors in China: A Two-Stage Network DEA Model," Land, MDPI, vol. 12(2), pages 1-18, February.
    3. Kuifeng Wang & Paul Liu & Fengsheng Sun & Shengwen Wang & Gong Zhang & Taiping Zhang & Guodong Chen & Jinqiu Liu & Gangchao Wang & Songkun Cao, 2023. "Progress in Realizing the Value of Ecological Products in China and Its Practice in Shandong Province," Sustainability, MDPI, vol. 15(12), pages 1-30, June.
    4. Enxiang Zhang & Xinting Gao & Shuo Lei & Qin Qiao & Yuping Zheng & Lixiang Liu & Yongwei Han, 2024. "Evaluation Methods and Application of Adaptability of Ecological Product Development and Utilization—Taking Jizhou District, Tianjin City, as an Example," Sustainability, MDPI, vol. 16(8), pages 1-21, April.
    5. Xiansheng Xie & Shaozhi Chen & Rong Zhao, 2023. "A Preliminary Evaluation of the Effectiveness of Ecological Product Value Realization in China Based on the DPSIR Model," Sustainability, MDPI, vol. 15(21), pages 1-26, November.

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