Heterogeneity in citizens’ valuation of ecosystem services resulting from a lagoon public restoration project: Evidence from Tunisia

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Titel: Heterogeneity in citizens’ valuation of ecosystem services resulting from a lagoon public restoration project: Evidence from Tunisia
Autoren: Missaoui, Sameh, Rahmani, Djamel, Colombo, Sergio, Kallas, Zein, Gil Roig, José María, Faiçal, Akaichi
Verlagsinformationen: 2025.
Publikationsjahr: 2025
Schlagwörter: Choice experiment, Bizerte citizens' preferences, Àrees temàtiques de la UPC::Desenvolupament humà i sostenible, Lagoon restoration, Latent heterogeneity, Developing countries
Beschreibung: The North African region's lagoon ecosystems face numerous challenges, including urbanization, wastewater pollution, and overexploitation. The negative impact of these challenges on the ecological health of lagoons is evident, leading to socioeconomic consequences that have proven to be detrimental. Therefore, we conducted a choice experiment to assess citizens' preferences for Mediterranean Sea-Connected lagoon restoration in Tunisia, as a case study and their willingness to support the EcoPact endeavor to enhance the prevailing circumstances and halter environmental degradation. This research devised two improvement scenarios and utilized a Latent Class Model to gauge citizens' utility in a lagoon restoration. The results revealed two citizen classes, "Pro-restoration" and "Reluctant to Restore". The majority are pro-restoration citizens willing to voluntarily pay (WTP) up to $165.58 for one-year contribution for a high-impact scenario. The other class, Reluctant to Restore, appear to recognize the value of the project's attributes, as evidenced by their significant WTP for high-level attributes. However, they still prefer to maintain the current situation for other reasons, resulting in an insignificant WTP for the overall high or medium scenario. The results showed that the aggregated benefits is very close to the required project cost for the high-impact scenario, suggesting that the project is almost viable only if the improvement is highly significant. Hence, further evaluation is required to validate these results.
Publikationsart: Article
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Sprache: English
Zugangs-URL: https://hdl.handle.net/2117/428666
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  Data: Heterogeneity in citizens’ valuation of ecosystem services resulting from a lagoon public restoration project: Evidence from Tunisia
– Name: Author
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  Data: <searchLink fieldCode="AR" term="%22Missaoui%2C+Sameh%22">Missaoui, Sameh</searchLink><br /><searchLink fieldCode="AR" term="%22Rahmani%2C+Djamel%22">Rahmani, Djamel</searchLink><br /><searchLink fieldCode="AR" term="%22Colombo%2C+Sergio%22">Colombo, Sergio</searchLink><br /><searchLink fieldCode="AR" term="%22Kallas%2C+Zein%22">Kallas, Zein</searchLink><br /><searchLink fieldCode="AR" term="%22Gil+Roig%2C+José+María%22">Gil Roig, José María</searchLink><br /><searchLink fieldCode="AR" term="%22Faiçal%2C+Akaichi%22">Faiçal, Akaichi</searchLink>
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  Data: 2025.
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  Data: 2025
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  Data: <searchLink fieldCode="DE" term="%22Choice+experiment%22">Choice experiment</searchLink><br /><searchLink fieldCode="DE" term="%22Bizerte+citizens'+preferences%22">Bizerte citizens' preferences</searchLink><br /><searchLink fieldCode="DE" term="%22Àrees+temàtiques+de+la+UPC%3A%3ADesenvolupament+humà+i+sostenible%22">Àrees temàtiques de la UPC::Desenvolupament humà i sostenible</searchLink><br /><searchLink fieldCode="DE" term="%22Lagoon+restoration%22">Lagoon restoration</searchLink><br /><searchLink fieldCode="DE" term="%22Latent+heterogeneity%22">Latent heterogeneity</searchLink><br /><searchLink fieldCode="DE" term="%22Developing+countries%22">Developing countries</searchLink>
– Name: Abstract
  Label: Description
  Group: Ab
  Data: The North African region's lagoon ecosystems face numerous challenges, including urbanization, wastewater pollution, and overexploitation. The negative impact of these challenges on the ecological health of lagoons is evident, leading to socioeconomic consequences that have proven to be detrimental. Therefore, we conducted a choice experiment to assess citizens' preferences for Mediterranean Sea-Connected lagoon restoration in Tunisia, as a case study and their willingness to support the EcoPact endeavor to enhance the prevailing circumstances and halter environmental degradation. This research devised two improvement scenarios and utilized a Latent Class Model to gauge citizens' utility in a lagoon restoration. The results revealed two citizen classes, "Pro-restoration" and "Reluctant to Restore". The majority are pro-restoration citizens willing to voluntarily pay (WTP) up to $165.58 for one-year contribution for a high-impact scenario. The other class, Reluctant to Restore, appear to recognize the value of the project's attributes, as evidenced by their significant WTP for high-level attributes. However, they still prefer to maintain the current situation for other reasons, resulting in an insignificant WTP for the overall high or medium scenario. The results showed that the aggregated benefits is very close to the required project cost for the high-impact scenario, suggesting that the project is almost viable only if the improvement is highly significant. Hence, further evaluation is required to validate these results.
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      – Text: English
    Subjects:
      – SubjectFull: Choice experiment
        Type: general
      – SubjectFull: Bizerte citizens' preferences
        Type: general
      – SubjectFull: Àrees temàtiques de la UPC::Desenvolupament humà i sostenible
        Type: general
      – SubjectFull: Lagoon restoration
        Type: general
      – SubjectFull: Latent heterogeneity
        Type: general
      – SubjectFull: Developing countries
        Type: general
    Titles:
      – TitleFull: Heterogeneity in citizens’ valuation of ecosystem services resulting from a lagoon public restoration project: Evidence from Tunisia
        Type: main
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          Name:
            NameFull: Missaoui, Sameh
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            NameFull: Rahmani, Djamel
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            NameFull: Colombo, Sergio
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            NameFull: Kallas, Zein
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            NameFull: Gil Roig, José María
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            NameFull: Faiçal, Akaichi
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            – D: 13
              M: 03
              Type: published
              Y: 2025
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