Evaluating the impacts of sea level rise on coastal wetlands in Languedoc-Roussillon,France |
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| Institution: | 1. National Centre for Global Health Istituto Superiore di Sanità Viale Regina Elena 299, Rome Italy;2. Centre for Economic and International Studies, Faculty of Economics, University of Rome Tor Vergata, Rome, Italy;3. NIHR Nottingham Biomedical Research Centre at Nottingham University Hospitals NHS Trust and the University of Nottingham;4. Gastroenterology and Liver Unit, PROMISE, University of Palermo, Palermo, Italy;1. Environmental Sciences, Informatics and Statistics Dept., University Ca'' Foscari of Venice, Via Torino 155, 30170 Venice, Italy;2. Ecosystem Management Research Group, Biology Dept., University of Antwerp, Universiteitsplein 1C, 2610 Wilrijk, Belgium;3. Institute for Natural Resource Conservation, Christian Albrechts University of Kiel, Olshausenstr. 75, D-24118 Kiel, Germany;1. MaREI, Environmental Research Institute, Beaufort Building, Haulobowline Rd., Ringaskiddy, Co Cork, Ireland;2. Department of Biology & CESAM, Campus Universitário de Santiago, University of Aveiro, Portugal |
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| 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. |
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| Keywords: | Climate change Coastal inundation Wetlands Dunes Ecosystem services Adaptation policy |
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