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Evaluating the impacts of sea level rise on coastal wetlands in Languedoc-Roussillon, France

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  • Kuhfuss, Laure
  • Rey-Valette, Hélène
  • Sourisseau, Emmanuelle
  • Heurtefeux, Hugues
  • Rufray, Xavier

Abstract

Sea-level rise due to climate change creates new risks of submersion in coastal areas that must be taken into account. Although these are long-term risks for 2100, it is important to anticipate possible consequences in order to identify the most vulnerable areas or issues and develop the appropriate adaptation policies. The aim of this paper is to examine the consequences of such sea-level rise for wetlands in the Languedoc-Roussillon region (France) which is particularly at risk of submersion. The analysis is based on the worst case scenario of a one meter sea level rise by 2100, with a variety of adaptive strategies: denial, laissez-faire and strategic retreat of infrastructure and buildings. This latter strategy assumes that the retreat wetlands is unconstrained. The evaluation examines the losses and transformations of ecological habitats, depending on their distance from salt water. Estimating damages and benefits requires first, to study the evolution of the services supplied by different habitats and second, to estimate the value of the economic impact. This approach demonstrates the superiority of a strategic retreat policy which would halve the damages resulting from submersion.

Suggested Citation

  • Kuhfuss, Laure & Rey-Valette, Hélène & Sourisseau, Emmanuelle & Heurtefeux, Hugues & Rufray, Xavier, 2016. "Evaluating the impacts of sea level rise on coastal wetlands in Languedoc-Roussillon, France," Environmental Science & Policy, Elsevier, vol. 59(C), pages 26-34.
    • Handle: RePEc:eee:enscpo:v:59:y:2016:i:c:p:26-34
    DOI: 10.1016/j.envsci.2016.02.002
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    Cited by:

    1. Petra Tschakert & Jon Barnett & Neville Ellis & Carmen Lawrence & Nancy Tuana & Mark New & Carmen Elrick‐Barr & Ram Pandit & David Pannell, 2017. "Climate change and loss, as if people mattered: values, places, and experiences," Wiley Interdisciplinary Reviews: Climate Change, John Wiley & Sons, vol. 8(5), September.
    2. Cécile Hérivaux & Hélène Rey-Valette & Bénédicte Rulleau & Anne-Laurence Agenais & Marianne Grisel & Laure Kuhfuss & Laure Maton & Charlotte Vinchon, 2018. "Benefits of adapting to sea level rise: the importance of ecosystem services in the French Mediterranean sandy coastline," Post-Print hal-01737141, HAL.
    3. Sy, Mariam Maki & Rey-Valette, Hélène & Figuières, Charles & Simier, Monique & De Wit, Rutger, 2021. "The impact of academic information supply and familiarity on preferences for ecosystem services," Ecological Economics, Elsevier, vol. 183(C).
    4. Julia Caon Araujo & Fabio Ferreira Dias, 2021. "Multicriterial method of AHP analysis for the identification of coastal vulnerability regarding the rise of sea level: case study in Ilha Grande Bay, Rio de Janeiro, Brazil," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 107(1), pages 53-72, May.

    More about this item

    Keywords

    Climate change; Coastal inundation; Wetlands; Dunes; Ecosystem services; Adaptation policy;
    All these keywords.

    JEL classification:

    • D6 - Microeconomics - - Welfare Economics
    • Q51 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Valuation of Environmental Effects
    • Q54 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Climate; Natural Disasters and their Management; Global Warming

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