Application of the ecosystem service concept at a small-scale: The cases of coralligenous habitats in the North-western Mediterranean Sea

Abstract : The understanding of ecosystem services is essential to support sustainable use and preservation of ecosystems. Coralligenous habitats, main contributors of the Med iterranean marine biod iversity, are yet und erstud ied in term of services provid ed. This stud y presents an original small-scale approach to investigate the services provided by coralligenous habitats of a French stud y area consisting of two marine sites (Marseille and Port-Cros sites) in order to cover two contrasted anthropogenic pressure despite the small-scale. Our results are based on the opinions of 43 experts who ranked 15 services in terms of existence and level of importance for human well-being: supporting ecological functions were consid ered the most important, then provisioning and cultural services. Regulating services were consid ered uncertain d ue to a lack of knowled ge. The small-scale approach highlighted a need for a referential frame to determine the existence of services (e.g. geographical and temporal scales, benefits and beneficiaries levels).
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Laure Thierry de Ville d'Avray, Dominique Ami, A. Chenuil, Romain David, Jean-Pierre Feral. Application of the ecosystem service concept at a small-scale: The cases of coralligenous habitats in the North-western Mediterranean Sea. Marine Pollution Bulletin, Elsevier, 2019, 138, pp.160-170. ⟨https://linkinghub.elsevier.com/retrieve/pii/S0025326X18307690⟩. ⟨10.1016/j.marpolbul.2018.10.057⟩. ⟨hal-01933094⟩

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