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11 results on '"GIS Posidonie"'

1. Are fisheries regulations influencing the biology and reproduction of the surmullet Mullus surmuletus Linnaeus, 1758 on the south-eastern coasts of France (NW Mediterranean)?

Author

Bănaru, Daniela, Le Diréach, Laurence, Crest, Guillaume, Tenaille, Melissa, Harmelin-Vivien, Mireille, Institut méditerranéen d'océanologie (MIO), Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Toulon (UTLN)-Centre National de la Recherche Scientifique (CNRS), GIS Posidonie, Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Toulon (UTLN)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Toulon (UTLN)-Centre National de la Recherche Scientifique (CNRS), ANR-19-CE34-0001,CONTAMPUMP,Plancton: pompe biologique de contaminants dans les écosystèmes marins (CONTAMPUMP)?(2019), Institut Pythéas (OSU PYTHEAS), Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), FEAMP, Banaru, Daniela, and Plancton: pompe biologique de contaminants dans les écosystèmes marins (CONTAMPUMP)? - - CONTAMPUMP2019 - ANR-19-CE34-0001 - AAPG2019 - VALID

Subjects
[SDE] Environmental Sciences, indice gonado-somatique, Mullus surmuletus, gonado-somatic index, Port-Cros marine protected area, indice corporel relatif, gonadal development stages, total length and weight, North-Western Mediterranean, stades de développement des gonades, [SDV.BA.ZV]Life Sciences [q-bio]/Animal biology/Vertebrate Zoology, [SDV.SA.STP]Life Sciences [q-bio]/Agricultural sciences/Sciences and technics of fishery, [SDE]Environmental Sciences, Mullus surmuletus, Total length and weight, Relative body condition, Gonadosomatic index, Gonadal development stages, Port-Cros marine protected area, North-Western Mediterranean, longueur et poids totaux, relative body condition, ComputingMilieux_MISCELLANEOUS, Méditerranée nord-occidentale, Aire marine protégée de Port-Cros
Abstract

The surmullet Mullus surmuletus Linnaeus, 1758 is one of the main target and high valuespecies for small coastal fisheries in the North-Western Mediterranean. Morphometric andreproduction indices of surmullet were determined in fisheries regulated and non-regulatedzones neighbouring the Port-Cros National Park (South-Eastern France) in autumn 2019 andspring 2020. Total length of individuals ranged between 12 and 32 cm, with a mode (?)between 17 and 23 cm. Significantly larger individuals were measured in the regulated fishingzones than in non-regulated ones, and in autumn rather than in spring. Females dominated inall zones and seasons, particularly in size classes > 24 cm in spring. Higher gonado-somaticindex and more advanced gonadal development stages were observed in both sexes in springthan in autumn. Higher percentages of individuals with mature gonads and high gonado-somatic index were found in the fisheries regulated zone, engendering a higher reproductivepotential. These results highlighted the importance of fisheries management with regard to thelife-history traits of targeted fish species., Le rouget de roche Mullus surmuletus est l'une des principales espèces cibles etcommerciales des pêcheries côtières artisanales de la Méditerranée nord-occidentale. Lamorphométrie et les indices de reproduction du rouget ont été déterminés dans les zones depêche réglementées et non réglementées autour du Parc National de Port-Cros (Sud-Est de laFrance) à l'automne 2019 et au printemps 2020. La longueur totale des individus variait entre12 et 32 cm, avec un mode entre 17 et 23 cm. Des individus significativement plus grands ontété mesurés dans la zone de pêche réglementée comparativement aux zones non réglementées,et en automne par rapport au printemps. Les femelles dominaient dans toutes les zones etsaisons, en particulier dans les classes de taille > 24 cm au printemps. Un indice gonado-somatique plus élevé et des stades de développement gonadiques plus avancés au printempsqu’en automne ont été observés chez les deux sexes. Des pourcentages plus élevés d'individusavec des gonades matures et un indice gonado-somatique élevé ont été trouvés dans la zone depêche réglementée, induisant un plus fort potentiel reproducteur. Ces résultats mettent enévidence l'importance de la gestion des pêches sur les traits d'histoire de vie des espèces depoissons ciblés.

Published
2022

2. Megabenthic assemblages on bathyal escarpments off the west Corsican margin (Western Mediterranean)

Author

Nadine Le Bris, Pierre Chevaldonné, Jordi Grinyó, Thomas Schohn, Laboratoire d'Ecogéochimie des environnements benthiques (LECOB), Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Observatoire océanologique de Banyuls (OOB), Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS), Institut méditerranéen de biodiversité et d'écologie marine et continentale (IMBE), Centre National de la Recherche Scientifique (CNRS)-Institut de recherche pour le développement [IRD] : UMR237-Aix Marseille Université (AMU)-Avignon Université (AU), GIS Posidonie, and Avignon Université (AU)-Aix Marseille Université (AMU)-Institut de recherche pour le développement [IRD] : UMR237-Centre National de la Recherche Scientifique (CNRS)

Subjects
0106 biological sciences, Mediterranean climate, Three-dimensional photogrammetry, Marine litter, Biodiversity, Submarine canyon, Aquatic Science, Oceanography, 010603 evolutionary biology, 01 natural sciences, Bathyal zone, Bathyal, Mediterranean sea, Marine debris, Benthic biocoenoses, media_common.cataloged_instance, 14. Life underwater, European union, media_common, Canyon, geography, geography.geographical_feature_category, 010604 marine biology & hydrobiology, 15. Life on land, [SDE]Environmental Sciences, Geology, Lebensspuren
Abstract

International audience; Deep-sea environments in the Mediterranean Sea have been widely degraded over the past decades and thus there is an urgent need to implement protection measures. Within European Union's Mediterranean waters vast extensions of the deep-sea ecologically relevant ecosystems have been protected by integrating them to the Natura 2000 network. Inside the French Exclusive Economic Zone, this network is currently expanding to off-shore areas, beyond 12 nautical miles. In this study, we characterized megabenthic biodiversity on target features located inside a designed site of the south west Corsican margin, particularly on a volcanic promontory on the south flank of the Ajaccio submarine canyon and a wall of the Valinco Canyon, between 1690 and 2250 m depth. By means of a fine scale three-dimensional photogrammetric analysis, four megabenthic assemblages segregated by substrate were identified. Hard substrate assemblages were characterized by the presence of sponges, polychaetes, gastropods and the squat lobster Munida tenuimana while soft sediment assemblages were characterized by the elpidiid holothurian Penilpidia ludwigi and an unidentified sabellid. Highest densities were registered on serpulid thanatocoenoses, which hosted widespread patches of an unidentified encrusting sponge. Lebensspuren had a diverse origin likely deriving from the activity of epibenthic, infaunal and bathypelagic organisms. In general, litter was not abundant at these offshore sites: in the Valinco site, it had both a marine and land-based origin while at the even more offshore Ajaccio site, it was mainly marine based. More extensive surveys would be advisable to confirm this trend. This study provides new insight on the ecology and diversity of Mediterranean deep-sea environments in the 2000 m bathymetric zone, highlighting the enduring knowledge gap surrounding orographically complex deep-sea escarpments in the basin.

Published
2021

3. The Management of Mediterranean Coastal Habitats: A Plea for a Socio-ecosystem-Based Approach

Author

Mireille Harmelin-Vivien, Daniel Faget, Thierry Thibaut, Thomas Changeux, Jean Blanchot, Richard Sempéré, Sandrine Ruitton, Vanina Pasqualini, Charles-François Boudouresque, Marc Pagano, Adrien Goujard, Aurelie Blanfuné, Francois Carlotti, Daniela Bănaru, Michèle Perret-Boudouresque, Elodie Rouanet, Delphine Thibault, Patrick Astruch, Laurence Le Direach, Diversité, évolution et écologie fonctionnelle marine (DIMAR), Centre National de la Recherche Scientifique (CNRS)-Université de la Méditerranée - Aix-Marseille 2, Institut Pythéas (OSU PYTHEAS), Aix Marseille Université (AMU)-Centre National de la Recherche Scientifique (CNRS)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Institut de Recherche pour le Développement (IRD), UR CYROCO (IRD/ARVAM), Institut méditerranéen d'océanologie (MIO), Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Toulon (UTLN)-Centre National de la Recherche Scientifique (CNRS), Aix Marseille Université (AMU), Sciences pour l'environnement (SPE), Centre National de la Recherche Scientifique (CNRS)-Université Pascal Paoli (UPP), GIS Posidonie, Ecosystèmes Côtiers Marins et Réponses aux Stress (ECOMERS), Université Nice Sophia Antipolis (... - 2019) (UNS), COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Université Côte d'Azur (UCA), Ecologie Marine et BIOdiversité (EMBIO), Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Toulon (UTLN)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Toulon (UTLN)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Océanographie Physique et Biologique (LOPB), Université de la Méditerranée - Aix-Marseille 2-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), Temps, espaces, langages Europe méridionale-Méditerranée (TELEMME), Aix Marseille Université (AMU)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherche pour le Développement (IRD [Réunion]), Université Pascal Paoli (UPP)-Centre National de la Recherche Scientifique (CNRS), COMUE Université Côte d'Azur (2015 - 2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015 - 2019) (COMUE UCA)-Université Côte d'Azur (UCA), Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université de Toulon (UTLN), Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université de Toulon (UTLN)-Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université de Toulon (UTLN), Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Centre National de la Recherche Scientifique (CNRS), ICEMASA, University of Cape Town, Université Nice Sophia Antipolis (1965 - 2019) (UNS), Hubert-Jean Ceccaldi, Yves Hénocque, Teruhisa Komatsu, Patrick Prouzet, Benoit Sautour, and Jiro Yoshida

Subjects
0106 biological sciences, [SDV]Life Sciences [q-bio], Biodiversity, Mediterranean, 010603 evolutionary biology, 01 natural sciences, [SDV.EE.ECO]Life Sciences [q-bio]/Ecology, environment/Ecosystems, Marine ecosystem, Ecosystem, 14. Life underwater, ComputingMilieux_MISCELLANEOUS, biodiversity, Abiotic component, [SDV.EE]Life Sciences [q-bio]/Ecology, environment, Ecology, 010604 marine biology & hydrobiology, Pelagic zone, 15. Life on land, environmentalist lobbies, [SDE.ES]Environmental Sciences/Environmental and Society, Habitat, 13. Climate action, Benthic zone, [SDE]Environmental Sciences, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, socio-ecosystem, management, Global biodiversity
Abstract

International audience; Biodiversity is often defined erroneously as the number of species. The higher the number of species, the better the status or the health of a habitat is considered to be. Managers, stakeholders and environmentalists worldwide often prioritize the ‘species approach’. The protection of an iconic and endearing species is obviously easier than that of tiny zooplankton species, although the latter may play a far more important role than the former in the functioning of healthy ecosystems. The species approach has been widely favoured compared to the ecosystem approach. However, ‘species-by-species’ management is unrealistic. The problem is that the management of natural habitats is often driven by environmentalist lobbies on the basis of taxonomy (e.g. mammals, turtles, birds, iconic fish, flowering plants, etc.) and disciplinary lobbies (biology, benthos, pelagos, contaminants, currents, etc.). Ecosystems are units of biological and spatial organization that include all the organisms, their interactions, the functional compartments they belong to, along with the components of the abiotic environment. The concept of the socio-ecosystem is useful insofar as it emphasizes the fact that man is part of ecosystems. Here, the authors make use of four case studies, in the Mediterranean Sea, in an attempt to demonstrate the interest of a comprehensive, socio-ecosystem-based approach in the field of environmental management. They also highlight the importance of tackling the coupling between benthic and pelagic ecosystems and between terrestrial and marine ecosystems.

Published
2020

4. Unpublished Mediterranean records of marine alien and cryptogenic species

Author

Maria Zotou, Hasan Cerim, Rossana Sanfilippo, Luca Castriota, Monica Montefalcone, Pierre Noel, Joxe Mikel Garmendia, Alice Lodola, Mohamed Mourad Ben Amor, Jorge Terrados, Mohamed Hédi Ktari, Giorgos Chatzigeorgiou, Konstantinos Tsirintanis, Vincenzo Di Martino, Julian Evans, Ernesto Azzurro, Françoise Monniot, Gérard Pergent, Emna Soufi-Kechaou, Sercan Yapıcı, Domen Trkov, Anna Maria Mannino, Ante Žunec, Alan Deidun, Jamila Rizgalla, Joseph A. Borg, Joaquim Garrabou, Antonietta Rosso, Ana Fortič, Maïa Fourt, Ali Türker, Martina Orlando-Bonaca, Nikos Doumpas, Stelios Katsanevakis, Charalampos Dimitriadis, Murat Bilecenoglu, Soultana Tsioli, Dimitrios Damalas, Paraskevi K. Karachle, Markos Digenis, Fiona Tomas, Gianni Insacco, Free Espinosa, Periklis Kleitou, Shevy B.S. Rothman, Manuela Falautano, Arthur R. Bos, Ergün Taşkın, Hocein Bazairi, Maria Sini, Ioanna Kosma, Patrick J. Schembri, Jorge Santamaría, Dimitris Poursanidis, Miraine Rizzo, Grigorios Skouradakis, Demetris Kletou, Melih Ertan Çinar, Razy Hoffman, Luigi Piazzi, Carla Morri, Konstantinos Tsiamis, Borut Mavrič, Agnese Marchini, Michail Ragkousis, Ioannis Giovos, Halit Filiz, Francesco Tiralongo, Jonathan Tempesti, Andrés Izquierdo Muñoz, Najib El Ouamari, Bruno Zava, Rym Zakhama-Sraieb, Paolo G. Albano, Omar Inglese, A. Siapatis, Mehmet Fatih Huseyinoglu, Sotiris Orfanidis, Raül Golo, Angela Bartolo, C. Stamouli, Alfonso A. Ramos-Esplá, Paolo Balistreri, Yassine-Ramzi Sghaier, Mohamed Selfati, Faten Khamassi, Said Benhissoune, Fabio Crocetta, Emma Cebrian, Cristina Linares, Vasilis Gerovasileiou, Anna Occhipinti-Ambrogi, Carlo Nike Bianchi, Khadija Ounifi Ben Amor, Jana Verdura, Christine Pergent, Marc Verlaque, Emmanouil Andriotis, Mouna Rifi, Laura Royo, Jamila Ben Souissi, Thanos Dailianis, Michel Bariche, Maria Cristina Gambi, Louis Hadjioannou, Enric Ballesteros, Raouia Ghanem, Fabio Badalamenti, Stefanos Kalogirou, Emilio Mancuso, Martina Gaglioti, Carlo Pipitone, Lovrenc Lipej, Wafa Rjiba-Bahri, Nikolas Michailidis, Carlos Jiménez, Orestis Papadakis, Jasmine Ferrario, Eleni Kytinou, Jeanne Zaouali, Joachim Langeneck, María Josefa Mosteiro García, Sami Karaa, Argyro Zenetos, Ya’arit Levitt-Barmats, Ivan Cvitković, Ege Üniversitesi, European Commission, Agencia Estatal de Investigación (España), Hellenic Centre for Marine Research (HCMR), AZTI - Tecnalia, American University of Beirut [Beyrouth] (AUB), Faculty of Science, Department of Biology (UNIVERSITY OF MALTA), University of Malta [Malta], Sciences pour l'environnement (SPE), Centre National de la Recherche Scientifique (CNRS)-Université Pascal Paoli (UPP), Dept. of 'Ecologia del Territorio', Institute of Marine Biology and Genetics, Hellenic Center for Marine Research (HCMR), Aristotle University of Thessaloniki, Department of Physics, Cyprus University of Technology, Faculté des sciences [Rabat], Université Mohammed V de Rabat [Agdal], Observatoire océanologique de Banyuls (OOB), Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Laboratorio di Ecologia (CNR-IAMC), CNRS-IAMC, Laboratoire de Modélisation en Hydraulique et Environnement [Tunis] (LR-LMHE ENIT), Ecole Nationale d'Ingénieurs de Tunis (ENIT), Université de Tunis El Manar (UTM)-Université de Tunis El Manar (UTM), Institut méditerranéen de biodiversité et d'écologie marine et continentale (IMBE), Avignon Université (AU)-Aix Marseille Université (AMU)-Institut de recherche pour le développement [IRD] : UMR237-Centre National de la Recherche Scientifique (CNRS), Institute of Oceanography and Fisheries, Fondazione IRCCS Instituto Nazionale dei Tumori [Milan, Italy], Universidad de Alicante. Departamento de Ciencias del Mar y Biología Aplicada, Biología Marina, Katsanevakis, S, Poursanidis, D, Hoffman, R, Rizgalla, J, Bat-Sheva Rothman, S, Levitt-Barmats, Y, Hadjioannou, L, Trkov, D, Mikel Garmendia, J, Rizzo, M, Bartolo, AG, Bariche, M, Tomas, F, Kleitou, P, Schembri, PJ, Kletou, D, Tiralongo, F, Pergent, C, Pergent, G, Azzurro, E, Bilecenoglu, M, Lodola, A, Ballesteros, E, Gerovasileiou, V, Verlaque, M, Occhipinti-Ambrogi, A, Kytinou, E, Dailianis, T, Ferrario, J, Crocetta, F, Jimenez, C, Evans, J, Ragkousis, M, Lipej, L, Borg, JA, Dimitriadis, D, Chatzigeorgiou, G, Albano, PG, Kalogirou, S, Bazairi, H, Espinosa, F, Ben Souissi, J, Tsiamis, K, Badalamenti, F, Langeneck, J, Noel, P, Deidun, A, Marchini, A, Skouradakis, G, Royo, L, Sini, M, Nike Bianchi, C, Sghaier, YR, Ghanem, R, Doumpas, N, Zaouali, J, Tsirintanis, K, Papadakis, O, Morri, C, Çinar, ME, Terrados, J, Insacco, G, Zava, B, Soufi-Kechaou, E, Piazzi, L, Ounifi Ben Amor, K, Andriotis, E, Gambi, MC, Ben Amor, MM, Garrabou, J, Linares, C, Fortič, A, Digenis, M, Cebrian, E, Fourt, M, Zotou, M, Castriota, L, Di Martino, V, Rosso, A, Pipitone, C, Falautano, M, García, M, Zakhama-Sraieb, R, Khamassi, F, Mannino, AM, Ktari, MH, Kosma, I, Rifi, M, Karachle, PK, Yapıcı, S, Bos, AR, Balistreri, P, Ramos Esplá, AA, Tempesti, J, Inglese, O, Giovos, I, Damalas, D, Benhissoune, S, Huseyinoglu, MF, Rjiba-Bahri, W, Santamaría, J, Orlando-Bonaca, M, Izquierdo, A, Stamouli, C, Montefalcone, M, Cerim, H, Golo, R, Tsioli, S, Orfanidis, S, Michailidis, N, Gaglioti, M, Taşkın, E, Mancuso, E, Žunec, A, Cvitković, I, Filiz, H, Sanfilippo, R, Siapatis, A, Mavrič, B, Karaa, S, Türker, A, Monniot, F, Verdura, J, El Ouamari, N, Selfati, M, Zenetos, A, Department of Marine Sciences, University of the Aegean, Lofos Panepistimiou, Mytilene, 81100, Greece, Foundation for Research and Technology—Hellas (FORTH), Institute of Applied and Computational Mathematics, Remote Sensing lab, N. Plastira 100, Vassilika Vouton, Heraklion, 70013, Greece, The Steinhardt Museum of Natural History, Israel National Center for Biodiversity Studies, Tel Aviv University, Tel Aviv, 69978, Israel, Department of Aquaculture, Faculty of Agriculture, University of Tripoli, Tripoli, Libyan Arab Jamahiriya, School of Zoology, The George S. Wise Faculty of Life Science, Tel-Aviv University, Tel Aviv, 69978, Israel, Department of Fisheries and Marine Research, 101 Vithleem Str., Strovolos, Nicosia, 1416, Cyprus, Enalia Physis Environmental Research Centre, Acropoleos 2, Aglantzia, Nicosia, 2101, Cyprus, Marine Biology Station Piran, National Institute of Biology, Fornace 41, Piran, 6330, Slovenia, Mediterranean Institute of Advanced Studies, IMEDEA (CSIC-UIB), C/ Miquel Marquès, 21, Esporles, 07190, Spain, AZTI, Marine Research Division, Herrera kaia, Portualdea z/g, Pasaia, 20110, Spain, ERA, Hexagon House, Spencer Hill, Marsa, MRS 1441, Malta, Department of Biology, American University of Beirut, Beirut, 11-0236, Lebanon, Marine & Environmental Research (MER) Lab, 202 Amathountos Av, Marina Gardens, Block B, Off. 13-14, Limassol, Cyprus, Department of Biology, University of Malta, Msida, MSD2080, Malta, Department of Biological, Geological and Environmental Sciences, University of Catania, Corso Italia, 57, Catania, 95129, Italy, EqEL, FRES 3041 – UMR 6134, University of Corsica, BP 52, Corte, 20250, France, Italian National Research Council (CNR-IRBIM), Largo Fiera della Pesca, 2, Ancona, AN 60125, Italy, Department of Biology, Faculty of Arts and Sciences, Aydin Adnan Menderes University, Aydin, 09010, Turkey, Department of Earth and Environmental Sciences, University of Pavia, Pavia, 27100, Italy, Centre d´Estudis Avançats de Blanes, Consejo Superior de Investigaciones Científicas (CEAB-CSIC), Blanes, Catalonia, Spain, Institute of Marine Biology, Biotechnology and Aquaculture, Hellenic Centre for Marine Research, P.O. Box 2214, Heraklion, 71003, Greece, Mediterranean Institute of Oceanography (UMR_D 235 MIO) & GIS Posidonie, Aix-Marseille University, Marseille, 13288, France, Department of Integrative Marine Ecology, Stazione Zoologica Anton Dohrn, Napoli, 80121, Italy, National Marine Park of Zakynthos, El Venizelou1, Zakynthos Island, 29100, Greece, Department of Palaeontology, University of Vienna, Althanstrasse 14, Vienna, A-1090, Austria, Hellenic Centre for Marine Research, Hydrobiological Station of Rhodes, Rhodes, 85100, Greece, BioBio Research Center, BioEcoGen Laboratory, Faculty of Sciences, Mohammed V University in Rabat, 4 Avenue Ibn Battouta, B.P. 1014 RP, Rabat, 10106, Morocco, Laboratorio de Biología Marina, Departamento de Zoologia, Universidad de Sevilla, Avda. Reina Mercedes 6, Sevilla, 41012, Spain, University Tunis El Manar, Biodiversity, Biotechnology and Climate Change Laboratory (LR 11ES09), Tunis, 1002, Tunisia, University of Carthage, National Institute of Agronomy of Tunis (INAT), Tunis, 1082, Tunisia, European Commission, Joint Research Centre (JRC), Ispra, Italy, CNR-IAS, Lungomare C. Colombo 4521, Palermo, 90149, Italy, University of Pisa, Department of Biology, via Derna 1, Pisa, 56126, Italy, UMS 2006 AFB-CNRS-MNHN, 'Patrimoine Naturel', Centre d'expertise et de données sur la nature, Muséum national d'Histoire naturelle, 43 rue Buffon-Bat. 48, Paris cedex 05, 75231, France, Department of Geosciences, University of Malta, Msida, MSD 2080, Malta, DiSTAV (Department of Earth, Environment and Life Sciences), University of Genoa, Corso Europa 26, Genova, 16132, Italy, University of Tunis El Manar, Faculty of Sciences of Tunis, Research Laboratory of Diversity, Management and Conservation of Biological Systems, LR18ES06, Tunis, Tunisia, Regional Activity Centre for Specially Protected Areas, Boulevard du Leader Yasser Arafet-B.P. 337, Tunis Cedex, 1080, Tunisia, Environmental Organization for the Preservation of Aquatic Ecosystems, iSea, Agios Pavlos, Thessaloniki, 55438, Greece, Ege University, Faculty of Fisheries, Dept. of Hydrobiology, Bornova, Izmir 35100, Turkey, Museo Civico di Storia Naturale di Comiso, Via degli Studi n° 9, Comiso, RG 97013, Italy, Department of Chemistry and Pharmacy, University of Sassari, Via Piandanna 4, Sassari, 70100, Italy, Université de Tunis El Manar, Faculté des Sciences de Tunis, Laboratoire de Biodiversité, Biotechnologie et Changement Climatique, LR11ES09, Tunis, 1002, Tunisia, Institut National des Sciences et Technologies de la Mer, port de pêche, La Goulette, 2025, Tunisia, Institute of Marine Sciences, CSIC, Passeig Marítim de la Barceloneta, 37-49, Barcelona, 08003, Spain, Department of Evolutionary Biology, Ecology and Environmental Sciences, Institut de Recerca de la Biodiversitat (IRBIO), University of Barcelona, Av. Diagonal 643, Barcelona, 08028, Spain, GRMAR, Institute of Aquatic Ecology, University of Girona, Catalonia, Girona, E-17071, Spain, Institut Méditerranéen de Biodiversité et d'Ecologie marine et continentale, Aix-Marseille Université, CNRS, IRD, Avignon Université, Station Marine d'Endoume, Rue de la Batterie des Lions, Marseille, 13007, France, Italian Institute for Environmental Protection and Research, Lungomare Cristoforo Colombo n. 4521 (ex complesso Roosevelt), Località Addaura, Palermo, 90149, Italy, CNR/ISAFoM (National Research Counsil of Italy/Institute for Agricultural and Forestry System in the Mediterranean), via Empedocle 58, Catania, 95128, Italy, Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, Palermo, 90123, Italy, Tunis El Manar University, Faculty of Science of Tunis, Tunisia, Institute of Marine Biological Resources and Inland Waters, Hellenic Centre for Marine Research, 576 Vouliagmenis Ave., Argyroupoli, Attika, 164 52, Greece, Muğla Sıtkı Koçman University, Faculty of Fisheries, Muğla, 48000, Turkey, The American University in Cairo, Department of Biology, Cairo, Egypt, Vicolo Giotto N 6, Favignana, TP 91023, Italy, Marine Research Center of Santa Pola (CIMAR), University of Alicante, Alicante, 03080, Spain, Faculty of Maritime Studies, University of Kyrenia, Girne, 99350, Cyprus, Mediterraneo Servicios Marinos, Nueva Dársena Pesquera s/n Buzones 50 y 51, Alicante, 03008, Spain, Association ‘Action Bleue Maroc’, Rabat, Morocco, Fisheries Research Institute, Hellenic Agricultural Organization-Demeter, Kavala, Nea Peramos, 64007, Greece, Department of Biology, Faculty of Arts and Sciences, Manisa Celal Bayar University, Muradiye, Manisa, 45140, Turkey, Istituto per gli Studi sul Mare, Viale Gadio 2, Milano, 20121, Italy, Institute for Oceanography and Fisheries, Šetalište Ivana Meštrovića 63, Split, 21 000, Croatia, Institut National des Sciences et Technologies de la Mer (Centre Sfax), BP. 1035, Sfax, 3018, Tunisia, CNRS, Museum national d'histoire naturelle, 55 rue Buffon, Paris, 75005, France, National Institute of fisheries research, 13, Bd Zerktouni, BP 493, Nador, Morocco, Universidad de Sevilla. Departamento de Zoología, Université Pascal Paoli (UPP)-Centre National de la Recherche Scientifique (CNRS), and Université Mohammed V de Rabat [Agdal] (UM5)

Subjects
Invasions biològiques -- Mediterrània (Mar), geo-referenced records, 0206 medical engineering, Non-native species, Invasive alien species, Library science, non-native species, non-indigenous, distribution, citizen science, invasive alien species, geo-referenced records, Mediterranean Sea, 02 engineering and technology, Alien, Distribution, Citizen science, 01 natural sciences, Records -- Management, Science -- Mediterranean Region, 0103 physical sciences, Agency (sociology), citizen science, distribution, Mediterranean Sea, media_common.cataloged_instance, non-indigenous, Zoología, 14. Life underwater, European union, non-indigenous species, ComputingMilieux_MISCELLANEOUS, Ecology, Evolution, Behavior and Systematics, Global environmental analysis, media_common, Biological invasions -- Mediterranean Sea, invasive alien species, 010304 chemical physics, Ecology, Settore BIO/02 - Botanica Sistematica, Marine reserve, non-native species, Geo-referenced records, 020601 biomedical engineering, Espècies introduïdes -- Mediterrània (Mar), Introduced organisms -- Mediterranean Sea, 13. Climate action, General partnership, [SDE]Environmental Sciences, Marine protected area, Non-indigenous, Science -- Methodology -- Case studies
Abstract

Este artículo contiene 18 páginas, 4 figuras., Good datasets of geo-referenced records of alien species are a prerequisite for assessing the spatio-temporal dynamics of biological invasions, their invasive potential, and the magnitude of their impacts. However, with the exception of first records on a country level or wider regions, observations of species presence tend to remain unpublished, buried in scattered repositories or in the personal databases of experts. Through an initiative to collect, harmonize and make such unpublished data for marine alien and cryptogenic species in the Mediterranean Sea available, a large dataset comprising 5376 records was created. It includes records of 239 alien or cryptogenic taxa (192 Animalia, 24 Plantae, 23 Chromista) from 19 countries surrounding the Mediterranean Sea. In terms of records, the most reported Phyla in descending order were Chordata, Mollusca, Chlorophyta, Arthropoda, and Rhodophyta. The most recorded species was Caulerpa cylindracea, followed by Siganus luridus, Magallana sp. (cf. gigas or angulata) and Pterois miles. The dataset includes records from 1972 to 2020, with the highest number of records observed in 2018. Among the records of the dataset, Dictyota acutiloba is a first record for the Mediterranean Sea. Nine first country records are also included: the alga Caulerpa taxifolia var. distichophylla, the cube boxfish Ostracion cubicus, and the cleaner shrimp Urocaridella pulchella from Israel; the sponge Paraleucilla magna from Libya and Slovenia; the lumpfish Cyclopterus lumpus from Cyprus; the bryozoan Celleporaria vermiformis and the polychaetes Prionospio depauperata and Notomastus aberans from Malta., The publication of this article is supported by the Open Access Publishing Fund of the International Association for Open Knowledge on Invasive Alien Species (INVASIVESNET; www.invasivesnet.org). Stelios Katsanevakis, Maria Sini and Konstantinos Tsirintanis were supported by the Hellenic Foundation for Research and Innovation (H.F.R.I.) under the “First Call for H.F.R.I. Research Projects to support Faculty members and Researchers and the procurement of high-cost research equipment grant” (Project Number: HFRI-FM17-1597). Enalia Physis acknowledges Pantelis Patsalou for his support with field-logistics and links with fishers. Fiona Tomas would like to acknowledge funding from FECYT FCT- 14-9319 (¡OJO A LAS INVASORAS! BIODIVERSIDAD Y ESPECIES INVASORAS DEL MEDITERRÁNEO BALEAR). Vasilis Gerovasileiou, Thanos Dailianis and Maria Sini acknowledge the support by the MARISCA project (www.marisca.eu), co-funded (85%) by EEA GRANTS, 2009–2014, and the Public Investments Program (PIP) of the Hellenic Republic (15%). Razy Hoffman acknowledges funding by Yad-Hanadiv foundation, through the Israel Society of Ecology and Environmental Sciences and Israel Nature and Parks Authority (An integrated program for establishing biological baselines and monitoring protocols for marine reserves in the Israeli Mediterranean Sea). Argyro Zenetos and Paraskevi K. Karachle would like to thank the citizenscientists collaborating with the Ellenic Network on Aquatic Invasive Species (ELNAIS – elnais.hcmr.gr). Nikolaos Doumpas, Ioannis Giovos, Periklis Kleirou and Francesco Tiralongo would like to thank all the citizen-scientists that contributed with their shared records and data in the citizen-science project “Is it alien to you? Share it!!!” (https://www.facebook.com/ groups/104915386661854/). Data from Gyaros Island marine reserve were collected under the “GyarosMPA” project, funded by “MAVA Fondation pour la Nature”. Data from Corsica coastline were mainly collected in the framework of the “Corsica Alien Network” initiated by “Office de l’Environnement de la Corse”. Carla Morri and Carlo Nike Bianchi received financial support from FFARB (funds for basic research activities) by the Italian Ministry of Education, University and Research. Ergün Taşkın has been supported by TÜBİTAK, Ankara, Turkey (Project Number: 114Y238). The Slovenian authors would like to acknowledge their financial support from the Slovenian Research Agency (research core funding No. P1-0237) and the Ministry of Agriculture, Forestry and Food of the Republic of Slovenia. Mehmet Fatih Huseyinoglu thanks University of Kyrenia’s Scientific Research Project numbered GRN-20191-004. Fabio Crocetta was funded by the COST (European Cooperation in Science and Technology) Action TD1209 Alien Challenge project. The FRI (HAO DEMETER) team is very grateful to the Marine Strategy Project for financial support. Records of NIS in Jbel Moussa, the National Park of Al Hoceima and Cap des Trois Fourches sites from Morocco were obtained during surveys conducted within the framework of the MedKeyHabitats and the MedMPAnet Projects implemented by UNEP/MAP-RAC/SPA in close collaboration with the Haut Commissariat aux Eaux et Forêts et à la Lutte Contre la Désertification (HCEFLCD) and financially supported by RAC/SPA, Tunisia and the MAVA Foundation, Switzerland (MedKeyHabitats Project) and the European Commission (EC), the Spanish Agency for International Cooperation to Development (AECID), and the French Global Environment Facility (MedMPAnet Project). Jamila Ben Souissi was partially funded by BiodivMex /Chantier MISTRALS. Konstantinos Tsiamis sampling records were retrieved during his post in the Hellenic Centre for Marine Research, which he would like to thank for. Periklis Kleitou and Demetris Kletou were supported by the LIFE financial instrument of the European Union – RELIONMED project [Grant Agreement LIFE16 NAT/ CY/000832]. Some of the data included in the dataset were obtained through the marine citizen science platform Observadores del Mar www.observadoresdelmar.es with the support of FECYT FCT-17-12469, LIFE IP Intemares and Fundació Marilles, and through the citizen science site of the Italian Marine Protected Area of “Regno di Nettuno” (islands of Ischia, Procida and Vivara): www.citizensciencerdn.org. Most data from Lebanon were retrieved from social media dedicated to citizen science (Facebook group: Sea Lebanon https://www.facebook.com/ groups/109615625861815/) or fishers and scuba divers WhatsApp groups). Jamila Rizgalla wishes to thank the administration of Regatta for granting a free pass to conduct field surveys and the security personnel for providing a safe environment. Anna Occhipinti-Ambrogi was supported by European Community’s Seventh Framework Program VECTORS (Vectors of Change in Oceans and Seas Marine Life, Impact on Economic Sectors). The long lasting collaboration with the ICES Working Group on Introductions and Transfer of Marine Organisms (WGITMO) has been a good forum where many information and ideas could be exchanged within some of the authors (Anna Occhipinti-Ambrogi, Argyro Zenetos, Agnese Marchini, and a wider community of scientists working on biological invasions). A. Rosso and R. Sanfilippo received grants from the Catania University Research Plan 2016/2018. Data from Kuriat island were collected under the “Kuriat project”, funded by “MAVA Fondation pour la Nature” executed by SPA/RAC in partnership with the Coastal Protection and Management Agency (APAL) and Notre Grand Bleu (NGB) NGO. The AIS/ERA (Environment and Resources Authority) Maltese data were obtained from the EU funded project EMFF 8.3.1 under the European Maritime and Fisheries Fund 2014–2020 with a total cost of €1.6 million in public eligible EMFF funds (75% EU 25% MT), managed by AIS/ERA (Environment and Resources Authority). The ultimate goals of this European Maritime and Fisheries Fund (EMFF 2014–2020) project are to devise a holistic approach towards marine monitoring and develop a comprehensive database of data collected about the Maltese waters., With the funding support of the ‘Severo Ochoa Centre of Excellence’ accreditation (CEX2019-000928-S), of the Spanish Research Agency (AEI)

Published
2020

5. Bridging risk assessment of human pressure and ecosystem status

Author

Ruitton, Sandrine, Astruch, Patrick, Blanfuné, Aurelie, Cabral, Mélanie, Thibaut, Thierry, Boudouresque, Charles-François, Observatoire océanologique de Banyuls (OOB), Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Institut méditerranéen d'océanologie (MIO), Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Toulon (UTLN)-Centre National de la Recherche Scientifique (CNRS), GIS Posidonie, Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Toulon (UTLN)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Toulon (UTLN)-Centre National de la Recherche Scientifique (CNRS), RUITTON, Sandrine, and HAL UPMC, Gestionnaire

Subjects
[SDV] Life Sciences [q-bio], [SDE] Environmental Sciences, [SDV]Life Sciences [q-bio], [SDE]Environmental Sciences, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2020

6. Functional traits unravel temporal changes in fish biomass production on artificial reefs

Author

Mélanie Ourgaud, Laurence Le Direach, Patrick Astruch, Pierre Cresson, Mireille Harmelin-Vivien, Eric Goberville, Elodie Rouanet, Institut méditerranéen d'océanologie (MIO), Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Université de Toulon (UTLN)-Centre National de la Recherche Scientifique (CNRS), GIS Posidonie, Biologie des Organismes et Ecosystèmes Aquatiques (BOREA), Sorbonne Université (SU)-Université des Antilles (UA)-Muséum national d'Histoire naturelle (MNHN)-Centre National de la Recherche Scientifique (CNRS)-Université de Caen Normandie (UNICAEN), Normandie Université (NU)-Normandie Université (NU)-Institut de Recherche pour le Développement (IRD), Institut Pythéas (OSU PYTHEAS), Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Toulon (UTLN)-Centre National de la Recherche Scientifique (CNRS), Université de la Méditerranée - Aix-Marseille 2, Université de Caen Normandie (UNICAEN), Normandie Université (NU)-Normandie Université (NU)-Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université des Antilles (UA), Laboratoire d’Océanologie et de Géosciences (LOG) - UMR 8187 (LOG), Institut national des sciences de l'Univers (INSU - CNRS)-Université du Littoral Côte d'Opale (ULCO)-Université de Lille-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD [France-Nord]), Centre National de la Recherche Scientifique (CNRS)-Université du Littoral Côte d'Opale (ULCO)-Université de Lille-Institut national des sciences de l'Univers (INSU - CNRS), Laboratoire Environnement et Ressources de Boulogne-sur-mer, IFREMER, Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université de Toulon (UTLN), Aix Marseille Université (AMU)-Centre National de la Recherche Scientifique (CNRS)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Institut de Recherche pour le Développement (IRD), Laboratoire Environnement et Ressources de Boulogne-sur-Mer (LERBL), LITTORAL (LITTORAL), and Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)

Subjects
0106 biological sciences, Artificial reefs, Conservation of Natural Resources, Range (biology), fish biomass production, Fisheries, Aquatic Science, Biology, Oceanography, 010603 evolutionary biology, 01 natural sciences, Mediterranean Sea, Animals, Fish biomass production, Biomass, 14. Life underwater, artificial reefs, Ecosystem, ComputingMilieux_MISCELLANEOUS, Trophic level, Biomass (ecology), Coral Reefs, Ecology, 010604 marine biology & hydrobiology, Fishes, Pelagic zone, General Medicine, Pollution, [SDE.ES]Environmental Sciences/Environmental and Society, Isotopic functional indices, Habitat, Benthic zone, Mediterranean sea, [SDE]Environmental Sciences, Biological dispersal, Fisheries management, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, isotopic functional indices
Abstract

International audience; reefs (ARs) are deployed worldwide as they are expected to support fisheries management. 22 While the underlying mechanisms remain widely debated, production was recently determined as 23 the most probable cause of increases in fish biomass. Changes in fish biomass in a temperate AR 24 system were investigated from December 2008 to November 2015 by considering seven distinct 25 functional groups, and isotopic functional indices were used to identify how these changes may have 26 affected organic matter (OM) fluxes. Contrasting patterns of change were observed between 27 functional trophic groups, highlighting that combining the biomass of all species present in a 28 community is inappropriate for assessing AR-induced effects. Benthic sedentary species 29 predominated (>75% of the total biomass) through massive production, with a 68-fold increase in 30 mean biomass over the study period. Mobile species tended to vary seasonally, suggesting only a 31 slight influence of AR. Zooplanktivores biomass decreased over the 6-year period, as a possible result 32 of changes in environmental conditions. Isotopic indices helped to reveal both the community 33 maturation and the importance of local OM sources not only in supporting fish biomass production 34 but also in attracting pelagic species. Our results corroborate that production and attraction are two 35 extremes of a range of contrasting patterns and highlight the importance of considering the specific 36 responses of functional components of fish communities to accurately describe changes in AR 37 functioning. Functional attributes such as trophic traits, habitat use and dispersal abilities must not 38 be overlooked as they modulate fish species responses to the deployment of man-made rocky 39 substrates.

Published
2019

7. The withdrawal of the lower limit of the Posidonia oceanica seagrass meadow in the Bay of Hyères (NW Mediterranean) : a combination of natural and human-induced recent and ancient phenomena ?

Author

Boudouresque, Charles F., Patrick Astruch, Adrien Goujard, Rouanet Elodie, Pierre Bonhomme, Denis Bonhomme, Institut méditerranéen d'océanologie (MIO), Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Toulon (UTLN)-Centre National de la Recherche Scientifique (CNRS), GIS Posidonie, Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université de Toulon (UTLN), and Beaussier, Catherine

Subjects
[SDE] Environmental Sciences, [SDE.BE] Environmental Sciences/Biodiversity and Ecology, radiocarbonanalysis, withdrawal, Posidoniaoceanica, [SDE]Environmental Sciences, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces, environment, [SDU.ENVI] Sciences of the Universe [physics]/Continental interfaces, environment, global change
Abstract

International audience; The Posidonia oceanicaseagrass meadows are very sensitive to disturbance of human or natural origin. Here we consider the losses of the seagrass localizednear the lower limit of the meadowinthe Bay of Hyères(France). Samples of dead mattewere taken nearand beyond the current lower limit of the meadow, between 26 and 37 m depth. Radiocarbon 14C analyses were used for dating the withdrawal. The death of P. oceanicapossibly occurred between 160±100 (-29 m) and 1050±110 years BP (-37 m). The deeper and the further from the shore the sampled dead mattewas, the more ancient it was. This withdrawal appears to be a general feature, which concerns both highly human-impacted areas (Bay of Hyères)and pristine areas, such as Port-Cros Island (National Park). Several non-mutually exclusive hypotheses might explain this recent vs. ancient and actual vsapparent withdrawal: (i)trawling;(ii)post mortem erosion of the roof ofthe dead matte, by hydrodynamismor trawling; (iii)compaction of dead matteover time; (iv)current andancient rise in sea level; (v)current and past climate changeand/or (vi)human induced changes (e.g. turbidity).The lower limit withdrawal is more markedin highly human-impacted areas than in pristine areas, whereitmayreflect global forcings such as sea level rise, warmingandclimate episodes)

Published
2019

8. Inventory and mapping of Posidonia oceanica reefs of the French Mediterranean coast

Author

Elodie Rouanet, Adrien Goujard, Emeline Barralon, Charles Boudouresque, Boursault, M., Alizée Boussard, Larroudé, P., Samuel Meulé, Anne-Éléonore Paquier, Christine Pergent-Martini, Gerard Pergent, Thomas Schohn, Institut méditerranéen d'océanologie (MIO), Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Toulon (UTLN)-Centre National de la Recherche Scientifique (CNRS), GIS Posidonie, Centre européen de recherche et d'enseignement des géosciences de l'environnement (CEREGE), Institut de Recherche pour le Développement (IRD)-Institut National de la Recherche Agronomique (INRA)-Aix Marseille Université (AMU)-Collège de France (CdF (institution))-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), Sciences pour l'environnement (SPE), Université Pascal Paoli (UPP)-Centre National de la Recherche Scientifique (CNRS), Università di Corsica Pasquale Paoli [Université de Corse Pascal Paoli], Partenaires INRAE, Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER), SPA/RAC, Langar H., Ouerghi A., Centre National de la Recherche Scientifique (CNRS)-Université de Toulon (UTLN)-Aix Marseille Université (AMU)-Institut de Recherche pour le Développement (IRD), Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Collège de France (CdF)-Institut national des sciences de l'Univers (INSU - CNRS)-Aix Marseille Université (AMU)-Institut National de la Recherche Agronomique (INRA), Université de Corse Pascal Paoli, IFREMER - Centre de Toulon/La Seyne Sur Mer (IFREMER), Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université de Toulon (UTLN), Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Collège de France (CdF (institution))-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS)-Institut National de la Recherche Agronomique (INRA), and Centre National de la Recherche Scientifique (CNRS)-Université Pascal Paoli (UPP)

Subjects
[SDE]Environmental Sciences, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces, environment
Abstract

International audience; Posidonia oceanicareefs along the French Mediterranean coast were inventoried and mapped using bibliographical data, analysis of aerial photos, images obtained using drone and 3D models. Sixteen previously unreported reefs and another 13 reefs that had been destroyed or disappeared were identified. In all, 75 Posidonia reef structures have were known to exist but today there are only 62 left.

Published
2019

9. Food web structure of a Mediterranean coralligenous ecosystem

Author

Belloni, Bruno, Sartoretto, Stéphane, Cresson, Pierre, Bouchoucha, Marc, Guillou, Gael, Lebreton, Benoit, RUITTON, Sandrine, Harmelin-Vivien, Mireille, GIS Posidonie, Institut méditerranéen d'océanologie (MIO), Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université de Toulon (UTLN)-Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université de Toulon (UTLN), Institut Français de Recherche pour l'Exploitation de la MER, Centre de La Seyne (IFREMER), Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER), Laboratoire Environnement et Ressources de Boulogne-sur-mer, IFREMER, LIttoral ENvironnement et Sociétés - UMRi 7266 (LIENSs), Université de La Rochelle (ULR)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université de Toulon (UTLN), Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Toulon (UTLN)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Toulon (UTLN)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Environnement Ressources Provence Azur Corse (LERPAC), LITTORAL (LITTORAL), Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER), Laboratoire Environnement et Ressources de Boulogne-sur-Mer (LERBL), LIttoral ENvironnement et Sociétés (LIENSs), La Rochelle Université (ULR)-Centre National de la Recherche Scientifique (CNRS), and Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Toulon (UTLN)-Centre National de la Recherche Scientifique (CNRS)

Subjects
[SDE]Environmental Sciences, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2019

10. New hexactinellid sponges from deep Mediterranean canyons

Author

Nicole Boury-Esnault, Maïa Fourt, Pierre Chevaldonné, Jean Vacelet, Maude Dubois, Adrien Goujard, Thierry Perez, Institut méditerranéen de biodiversité et d'écologie marine et continentale (IMBE), Centre National de la Recherche Scientifique (CNRS)-Institut de recherche pour le développement [IRD] : UMR237-Aix Marseille Université (AMU)-Avignon Université (AU), GIS Posidonie, and Avignon Université (AU)-Aix Marseille Université (AMU)-Institut de recherche pour le développement [IRD] : UMR237-Centre National de la Recherche Scientifique (CNRS)

Subjects
0106 biological sciences, Mediterranean climate, Hexactinellida, [SDU.STU]Sciences of the Universe [physics]/Earth Sciences, Farreidae, Biology, DNA, Ribosomal, 010603 evolutionary biology, 01 natural sciences, Paleontology, Japan, Genus, Mediterranean Sea, Hexactinosida, Animals, Animalia, 14. Life underwater, [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces, environment, Phylogeny, Ecology, Evolution, Behavior and Systematics, Taxonomy, Phylogenetic tree, Hexactinellid, Tretodictyidae, 010604 marine biology & hydrobiology, Biodiversity, biology.organism_classification, Porifera, Taxon, [SDE]Environmental Sciences, Molecular phylogenetics, Cosmopolitan distribution, Animal Science and Zoology, Type locality
Abstract

International audience; During the exploration of the NW Mediterranean deep-sea canyons (MedSeaCan and CorSeaCan cruises), several hexactinellid sponges were observed and collected by ROV and manned submersible. Two of them appeared to be new species of Farrea and Tretodictyum. The genus Farrea had so far been reported with doubt from the Mediterranean and was listed as ``taxa inquirenda'' for two undescribed species. We here provide a proper description for the specimens encountered and sampled. The genus Tretodictyum had been recorded several times in the Mediterranean and in the near Atlantic as T. tubulosum Schulze, 1866, again with doubt, since the type locality is the Japan Sea. We here confirm that the Mediterranean specimens are a distinct new species which we describe. We also provide18S rDNA sequences of the two new species and include them in a phylogenetic tree of related hexactinellids.

Published
2017

11. Almost a century of monitoring of the Posidonia barrier reef at Port-Cros (Provence) and the platform reef at Saint-Florent (Corsica)

Author

Alizée Boussard, Emeline Barralon, Boudouresque, Charles F., Boursault, M., Adrien Goujard, Gerard Pergent, Christine Pergent-Martini, Rouanet Elodie, Thomas Schohn, Institut méditerranéen d'océanologie (MIO), Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université de Toulon (UTLN), GIS Posidonie, Sciences pour l'environnement (SPE), Centre National de la Recherche Scientifique (CNRS)-Université Pascal Paoli (UPP), IFREMER - Centre de Toulon/La Seyne Sur Mer (IFREMER), Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER), Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Toulon (UTLN)-Centre National de la Recherche Scientifique (CNRS), and Université Pascal Paoli (UPP)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Posidoniareefs, [SDU]Sciences of the Universe [physics], temporal dynamics, [SDE]Environmental Sciences, mapping, [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces, environment
Abstract

International audience; The dynamics of natural monuments such as the Posidonia oceanica reefs is poorly known. The Posidonia barrier-reef Port-Cros has served as a laboratory for Molinier and Picard back in the 1950s and enabled them to describe the process of building of P. oceanica fringing and barrierreefs, while the Saint-Florent platform-reef, mapped for the first time in the 1980s, appears to be a unique structure the construction of which remains a mystery. The availability of postcards dating from the early 20th century, aerial photographs dating from 1948, and the development of remote sensing and georeferencing techniques associated with the use of drones and 3D models, have made it possible to monitor, for the first time, the precise evolution of these reefs and associated structures. Since the early 20th century, the barrier-reef at Port-Cros has been undergoing a steady decline. Anthropogenic pressures more than natural pressures may underlie this regression. Despite a number of management measures aimed at its protection, regression of the barrier-reef continues inexorably, at an unchanged pace, such that its ultimate disappearance now seems predictable. With regard to the Saint-Florent platform-reef, the surface area covered by Posidonia oceanica has remained stable (around 2.5 ha), although some differences can be observed from year to year; essentially due to the quality and resolution of the aerial images used for analysis. Moreover, the main atoll observed on the platform has regularly increased in size, from 40 m2 in 1948 to the current 189 m2. The conservation of these natural monuments, both included within MPAs, must be given priority by environmental managers.

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