Habitat modelling predictions highlight seasonal relevance of Marine Protected Areas for marine megafauna. Lambert, C., Virgili, A., Pettex, E., Delavenne, J., Toison, V., Blanck, A., & Ridoux, V. Deep-Sea Research Part II: Topical Studies in Oceanography, 141:262 – 274, Elsevier Ltd, 2017. Cited by: 16
Habitat modelling predictions highlight seasonal relevance of Marine Protected Areas for marine megafauna [link]Paper  doi  abstract   bibtex   
According to the European Union Habitats and Birds Directives, EU Member States must extend the Natura 2000 network to marine ecosystems, through the designation of Marine Protected Areas (MPAs). However, the initial status of cetacean and seabird communities across European waters is often poorly understood. It is assumed that an MPA is justified where at least 1% of the “national population” of a species is present during at least part of its biological cycle. The aim of the present work was to use model-based cetacean and seabird distribution to assess the networks of existing Natura 2000 sites and offshore proposed areas of biological interest. The habitat models used here were Generalised Additive Models computed from aerial surveys observational data collected during the winter 2011–2012 and the summer 2012 across the English Channel, Bay of Biscay and north-western Mediterranean Sea. Based on these models, a ratio between species relative abundance predicted within each MPA and the total relative abundance predicted over the French Atlantic or Mediterranean marine regions was computed and compared to the 1% threshold. This assessment was conducted for winter and summer independently, providing information for assessing the relevance of individual MPAs and MPA networks at a seasonal scale. Our results showed that the existing network designed for coastal seabird species was relevant in both marine regions. In contrast, a clear shortfall was identified for offshore seabird species in the Atlantic region and for cetaceans in both regions. Moreover, the size of MPAs appeared to be a crucial feature, with larger MPAs being relevant for more species. Finally, we showed that the proposed large offshore areas of interest would constitute a highly relevant network for all offshore species, with e.g. up to 61% of the Globicephalinae population in the Atlantic French waters being present within these areas. © 2017 Elsevier Ltd
@ARTICLE{Lambert2017262,
	author = {Lambert, C. and Virgili, A. and Pettex, E. and Delavenne, J. and Toison, V. and Blanck, A. and Ridoux, V.},
	title = {Habitat modelling predictions highlight seasonal relevance of Marine Protected Areas for marine megafauna},
	year = {2017},
	journal = {Deep-Sea Research Part II: Topical Studies in Oceanography},
	volume = {141},
	pages = {262 – 274},
	doi = {10.1016/j.dsr2.2017.03.016},
	url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85017146216&doi=10.1016%2fj.dsr2.2017.03.016&partnerID=40&md5=29eb8c086c44bd8f1b20f6b2d2a25d02},
	affiliations = {Centre d'Etudes Biologiques de Chizé, UMR 7372 CNRS - Université de La Rochelle, Institut du Littoral et de l'Environnement, La Rochelle, 17000, France; Observatoire PELAGIS, UMS 3462 CNRS - Université de La Rochelle, Systémes d'Observation pour la Conservation des Mammiféres et des Oiseaux Marins, La Rochelle, 17000, France; Institut de Systématique, Evolution, Biodiversité, ISYEB, UMR 7205 CNRS MNHN UPMC EPHE, Muséum national d'Histoire naturelle, Département Systématique et Evolution, Paris, 75231, France; Agence des Aires Marines Protégées, 16 Quai de la Douane, CS 42932, Brest, 29229, France},
	abstract = {According to the European Union Habitats and Birds Directives, EU Member States must extend the Natura 2000 network to marine ecosystems, through the designation of Marine Protected Areas (MPAs). However, the initial status of cetacean and seabird communities across European waters is often poorly understood. It is assumed that an MPA is justified where at least 1% of the “national population” of a species is present during at least part of its biological cycle. The aim of the present work was to use model-based cetacean and seabird distribution to assess the networks of existing Natura 2000 sites and offshore proposed areas of biological interest. The habitat models used here were Generalised Additive Models computed from aerial surveys observational data collected during the winter 2011–2012 and the summer 2012 across the English Channel, Bay of Biscay and north-western Mediterranean Sea. Based on these models, a ratio between species relative abundance predicted within each MPA and the total relative abundance predicted over the French Atlantic or Mediterranean marine regions was computed and compared to the 1% threshold. This assessment was conducted for winter and summer independently, providing information for assessing the relevance of individual MPAs and MPA networks at a seasonal scale. Our results showed that the existing network designed for coastal seabird species was relevant in both marine regions. In contrast, a clear shortfall was identified for offshore seabird species in the Atlantic region and for cetaceans in both regions. Moreover, the size of MPAs appeared to be a crucial feature, with larger MPAs being relevant for more species. Finally, we showed that the proposed large offshore areas of interest would constitute a highly relevant network for all offshore species, with e.g. up to 61% of the Globicephalinae population in the Atlantic French waters being present within these areas. © 2017 Elsevier Ltd},
	author_keywords = {Cetaceans; Eastern North-Atlantic; Habitat Modelling; Marine Protected Areas; Mediterranean; Natura 2000; Seabirds},
	keywords = {Atlantic Ocean; Bay of Biscay; English Channel; Mediterranean Sea; Mediterranean Sea (Northwest); Aves; Cetacea; Conservation; Environmental protection; Surveys; Cetaceans; Habitat modelling; Marine protected area; Mediterranean; Natura 2000; North Atlantic; Seabirds; aerial survey; cetacean; European Union; habitat availability; marine environment; marine park; population distribution; prediction; protected area; relative abundance; seabird; spatial analysis; Ecosystems},
	correspondence_address = {C. Lambert; Centre d'Etudes Biologiques de Chizé, UMR 7372 CNRS - Université de La Rochelle, Institut du Littoral et de l'Environnement, La Rochelle, 17000, France; email: charlotte.lambert@univ-lr.fr},
	publisher = {Elsevier Ltd},
	issn = {09670645},
	coden = {DSROE},
	language = {English},
	abbrev_source_title = {Deep-Sea Res. Part II Top. Stud. Oceanogr.},
	type = {Article},
	publication_stage = {Final},
	source = {Scopus},
	note = {Cited by: 16}
}
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