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Evaluation of Perceptions Using Facial Expression Scores on Ecological Service Value of Blue and Green Spaces in 61 Parks in Guizhou

Author

Listed:
  • Lan Wang

    (College of Life Sciences, Guizhou University, Guiyang 550025, China)

  • Changwei Zhou

    (College of Life Sciences, Guizhou University, Guiyang 550025, China)

Abstract

This study selected 61 parks in Guizhou province as research points and collected 3282 facial expression photos of park visitors in 2021 on the Sina Weibo platform. FireFACE v1.0 software was used to analyze the facial expressions of the visitors and evaluate their emotional perception of the landscape structure and ecosystem service value (ESV) of different landscape types of blue–green spaces. Research shows that the average ESV of green spaces in parks is USD 6.452 million per year, while the average ESV of blue spaces is USD 3.4816 million per year. The ESV of the blue–green space in the park shows no geographical gradient changes, while the happiness score in facial expressions is negatively correlated with latitude. Compared to blue spaces, green spaces can better awaken positive emotions among visitors. The ESV performance of different types of green spaces is as follows: TheroponcedrymV > GrasslandV > Shrubland V. The landscape structure and ESV of the blue–green space in the park can be perceived by visitors, and GreenV and vegetation height are considered the main driving factors for awakening positive emotions among visitors. In Guizhou, when the park area decreases, people are more likely to experience sadness. Regressions indicated that by increasing the green space area of the park and strengthening the hydrological regulation function of the blue–green space, people can achieve a more peaceful mood. Overall, people perceive more positive sentiments with high ESV in blue–green spaces of Karst parks but low ESV in shrubland.

Suggested Citation

  • Lan Wang & Changwei Zhou, 2024. "Evaluation of Perceptions Using Facial Expression Scores on Ecological Service Value of Blue and Green Spaces in 61 Parks in Guizhou," Sustainability, MDPI, vol. 16(10), pages 1-20, May.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:10:p:4108-:d:1394371
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    References listed on IDEAS

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    1. Wei, Hongxu & Hauer, Richard J. & He, Xingyuan, 2021. "A forest experience does not always evoke positive emotion: A pilot study on unconscious facial expressions using the face reading technology," Forest Policy and Economics, Elsevier, vol. 123(C).
    2. Muyi Huang & Qilong Wang & Qi Yin & Weihua Li & Guozhao Zhang & Qiaojun Ke & Qin Guo, 2023. "Analysis of Ecosystem Service Contribution and Identification of Trade-Off/Synergy Relationship for Ecosystem Regulation in the Dabie Mountains of Western Anhui Province, China," Land, MDPI, vol. 12(5), pages 1-22, May.
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    4. Madeline T. Wade & Jason P. Julian & Kevin S. Jeffery & Sarah M. Davidson, 2023. "A Participatory Approach to Assess Social Demand and Value of Urban Waterscapes: A Case Study in San Marcos, Texas, USA," Land, MDPI, vol. 12(6), pages 1-39, May.
    5. Yuxin Qi & Ruoyu Wang & Peixin Shen & Shu Ren & Yuandong Hu, 2023. "Impacts of Land Use Intensity on Ecosystem Services: A Case Study in Harbin City, China," Sustainability, MDPI, vol. 15(20), pages 1-22, October.
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