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6. Habitat characterization, anthropogenic impacts and conservation of rhodolith beds off southeastern Malta.

Author

Tabone, Luke, Knittweis, Leyla, Aguilar, Ricardo, Alvarez, Helena, Borg, Joseph A., Garcia, Silvia, Schembri, Patrick J., and Evans, Julian

Subjects
ANTHROPOGENIC effects on nature, HABITATS, CORALLINE algae
Abstract

Rhodolith beds, including maerl, are structurally complex perennial habitats that support a high species diversity but are threatened by numerous human activities, particularly in the Mediterranean Sea. Despite their global ecological importance, increased research efforts are needed to facilitate development of effective measures to conserve these habitats.Two areas hosting rhodolith beds are known to occur off the coast of Malta (central Mediterranean), but only one has been previously studied. Through analysis of video footage collected from 56 different stations coupled with a desk study on human activities, the present study characterized the rhodolith bed located off the southeastern coast of Malta, including its extent, rhodolith morphotype composition, associated megabiota and impacts of anthropogenic activities thereon.The bed occurred at depths of 60–95 m and covered an area of approximately 200 km2, making it the second most extensive rhodolith area reported for the Mediterranean to date. It was dominated by spherical and branched rhodoliths whose cover reached a maximum of 74% but was more often <50%, similar to other Mediterranean rhodolith beds. A total of 84 different megafaunal species were recorded, suggesting that the diversity of megafauna associated with rhodolith bed habitats has been previously underestimated. A number of human activities, including extensive vessel anchoring and officially designated areas for aquaculture, bunkering and trawling, overlap with the mapped rhodolith distribution, highlighting the risk of habitat degradation.A holistic approach to the management of all the competing activities and interests relative to the southeastern coast of Malta that gives due consideration to this newly characterized rhodolith bed and the threats it faces is therefore recommended. The legal framework and policy recommendations for better conservation of rhodolith bed habitats in the Mediterranean and European Seas are also discussed. [ABSTRACT FROM AUTHOR]

Published
2024
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11. Validated Inventories of Non-Indigenous Species (NIS) for the Mediterranean Sea as Tools for Regional Policy and Patterns of NIS Spread

Author

Galanidi, Marika, primary, Aissi, Mehdi, additional, Ali, Malek, additional, Bakalem, Ali, additional, Bariche, Michel, additional, Bartolo, Angela G., additional, Bazairi, Hocein, additional, Beqiraj, Sajmir, additional, Bilecenoglu, Murat, additional, Bitar, Ghazi, additional, Bugeja, Myra, additional, Carbonell, Aina, additional, Castriota, Luca, additional, Chalabi, Adbdelhafidh, additional, Çinar, Melih Ertan, additional, Dragičević, Branko, additional, Dulčić, Jakov, additional, El-Haweet, Alaa Eldin Ahmed, additional, Farrag, Mahmoud M. S., additional, Evans, Julian, additional, Galil, Bella, additional, Guerin, Laurent, additional, Hyams-Kaphzan, Orit, additional, Kapedani, Rezart, additional, Kamberi, Elvis, additional, Livi, Silvia, additional, Mačić, Vesna, additional, Masse, Cécile, additional, Mavrič, Borut, additional, Orlando-Bonaca, Martina, additional, Ouerghi, Atef, additional, Petović, Slavica, additional, Png-Gonzalez, Lydia, additional, Schembri, Patrick J., additional, Shenkar, Noa, additional, Sghaier, Yassine Ramzi, additional, Shakman, Esmail, additional, Yahyaoui, Asma, additional, Yokeş, Mehmet Baki, additional, and Zenetos, Argyro, additional

Published
2023
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18. Unpublished Mediterranean and Black Sea records of marine alien, cryptogenic, and neonative species

Author

Universidad de Alicante. Departamento de Ciencias del Mar y Biología Aplicada, Ragkousis, Michail, Zenetos, Argyro, Ben Souissi, Jamila, Hoffman, Razy, Ghanem, Raouia, Taşkın, Ergün, Muresan, Mihaela, Karpova, Evgeniia, Slynko, Elena, Dağlı, Ertan, Fortič, Ana, Surugiu, Victor, Mačić, Vesna, Trkov, Domen, Rjiba Bahri, Wafa, Tsiamis, Konstantinos, Ramos-Esplá, Alfonso A., Petović, Slavica, Ferrario, Jasmine, Marchini, Agnese, Sconfietti, Renato, Ammar, Izdihar, Alo, Alaa, Edelist, Dori, Begun, Tatiana, Teaca, Adrian, Tari, Gokhan, Huseyinoglu, Mehmet Fatih, Karachle, Paraskevi K., Dogrammatzi, Aikaterini, Apostolopoulos, Giorgos A., Crocetta, Fabio, Kytinou, Eleni, Digenis, Markos, Skouradakis, Grigorios, Tomas, Fiona, Bariche, Michel, Kaminas, Alexandros, Konida, Kassiani, Deidun, Alan, Marrone, Alessio, Fraschetti, Simonetta, Mihneva, Vesselina, Bianchi, Carlo Nike, Morri, Carla, Gerovasileiou, Vasilis, Lipej, Lovrenc, Sini, Maria, Mangialajo, Luisa, Zotou, Maria, Skolka, Marius, Azzurro, Ernesto, Vella, Adriana, Dailianis, Thanos, Grigoriou, Panos, Jimenez, Carlos, Tsirintanis, Konstantinos, Oikonomidis, Georgios, Mancini, Emanuele, Papadakis, Orestis, Martino, Vincenzo Di, Chatzigeorgiou, Giorgos, Ben Amor, Mohamed Mourad, Vernadou, Emmanouela, Arda, Yaprak, Minasidis, Vasileios, Azzola, Annalisa, Hadjioannou, Louis, Montefalcone, Monica, Baldacchino, Yacopo, Stancanelli, Bessy, Bonifazi, Andrea, Occhipinti-Ambrogi, Anna, Smeraldo, Sonia, Evans, Julian, Kondylatos, Gerasimos, Falautano, Manuela, Castriota, Luca, Lamprou, Aggelos, Rizgalla, Jamila, Mavrič, Borut, Papadimitriou, Evangelos, Kersting, Diego K., Schembri, Patrick J., Khamassi, Faten, Nikolaou, Athanasios, Ballesteros, Enric, Dimitriadis, Charalampos, García, María, Anastasiadis, Athanasios, Kalogirou, Stefanos, Nalmpanti, Melina, Altamirano, María, Grech, Daniele, Mavrouleas, Dimitrios, Vella, Noel, Darmanin, Sandra Agius, Dragičević, Branko, Poursanidis, Dimitris, Tsatiris, Alexandros, Corsini-Foka, Maria, Orlando-Bonaca, Martina, Insacco, Gianni, Tsalapatis, Alexandros, Scannella, Danilo, Tiralongo, Francesco, Verdura, Jana, Vitale, Sergio, Valsamidis, MichailAggelos, Bazairi, Hocein, Mannino, Anna Maria, Virgili, Riccardo, Coccia, Fabio Collepardo, El Zrelli, Radhouan, Nikolidakis, Savvas, Rabaoui, Lotfi Jilani, Yapıcı, Sercan, Zaouali, Jeanne, Zava, Bruno, Agrotis, Neophytos, Bilecenoglu, Murat, Çinar, Melih Ertan, Moraitis, Manos L., Albano, Paolo G., Kaddouri, Nassir, Kosma, Ioanna, Falsone, Fabio, Fossati, Valentina, Geraci, Michele Luca, Zamuda, Leon Lojze, Mancuso, Francesco Paolo, Petrou, Antonis, Resaikos, Vasilis, Aydın, İlker, Batjakas, Ioannis E., Bos, Arthur R., El Ouamari, Najib, Giallongo, Giovanni, Kampouris, Thodoros E., Ounifi-Ben Amor, Khadija, Doğan, Alper, Dulčić, Jakov, Şükran Okudan, Emine, Rilov, Gil, Rosso, Antonietta, Royo, Laura, Selfati, Mohamed, Gaglioti, Martina, Giakoumi, Sylvaine, Kousteni, Vasiliki, Micu, Dragoș, Nicoară, Mircea, Orfanidis, Sotiris, Papatheodoulou, Magdalene, Tempesti, Jonathan, Triantaphyllou, Maria, Tsourou, Theodora, Yalgın, Ferhat, Baltag, Emanuel, Cerim, Hasan, Filiz, Halit, Georgiadis, Constantinos G., Papadamakis, Paschalis, Rammou, Dimitra Lida, Samargiu, Manuela Diana, Sciuto, Francesco, Sinopoli, Mauro, Türker, Ali, Chiarore, Antonia, Tamburello, Laura, Karray, Sahar, Hassen, Bilel, Katsanevakis, Stelios, Universidad de Alicante. Departamento de Ciencias del Mar y Biología Aplicada, Ragkousis, Michail, Zenetos, Argyro, Ben Souissi, Jamila, Hoffman, Razy, Ghanem, Raouia, Taşkın, Ergün, Muresan, Mihaela, Karpova, Evgeniia, Slynko, Elena, Dağlı, Ertan, Fortič, Ana, Surugiu, Victor, Mačić, Vesna, Trkov, Domen, Rjiba Bahri, Wafa, Tsiamis, Konstantinos, Ramos-Esplá, Alfonso A., Petović, Slavica, Ferrario, Jasmine, Marchini, Agnese, Sconfietti, Renato, Ammar, Izdihar, Alo, Alaa, Edelist, Dori, Begun, Tatiana, Teaca, Adrian, Tari, Gokhan, Huseyinoglu, Mehmet Fatih, Karachle, Paraskevi K., Dogrammatzi, Aikaterini, Apostolopoulos, Giorgos A., Crocetta, Fabio, Kytinou, Eleni, Digenis, Markos, Skouradakis, Grigorios, Tomas, Fiona, Bariche, Michel, Kaminas, Alexandros, Konida, Kassiani, Deidun, Alan, Marrone, Alessio, Fraschetti, Simonetta, Mihneva, Vesselina, Bianchi, Carlo Nike, Morri, Carla, Gerovasileiou, Vasilis, Lipej, Lovrenc, Sini, Maria, Mangialajo, Luisa, Zotou, Maria, Skolka, Marius, Azzurro, Ernesto, Vella, Adriana, Dailianis, Thanos, Grigoriou, Panos, Jimenez, Carlos, Tsirintanis, Konstantinos, Oikonomidis, Georgios, Mancini, Emanuele, Papadakis, Orestis, Martino, Vincenzo Di, Chatzigeorgiou, Giorgos, Ben Amor, Mohamed Mourad, Vernadou, Emmanouela, Arda, Yaprak, Minasidis, Vasileios, Azzola, Annalisa, Hadjioannou, Louis, Montefalcone, Monica, Baldacchino, Yacopo, Stancanelli, Bessy, Bonifazi, Andrea, Occhipinti-Ambrogi, Anna, Smeraldo, Sonia, Evans, Julian, Kondylatos, Gerasimos, Falautano, Manuela, Castriota, Luca, Lamprou, Aggelos, Rizgalla, Jamila, Mavrič, Borut, Papadimitriou, Evangelos, Kersting, Diego K., Schembri, Patrick J., Khamassi, Faten, Nikolaou, Athanasios, Ballesteros, Enric, Dimitriadis, Charalampos, García, María, Anastasiadis, Athanasios, Kalogirou, Stefanos, Nalmpanti, Melina, Altamirano, María, Grech, Daniele, Mavrouleas, Dimitrios, Vella, Noel, Darmanin, Sandra Agius, Dragičević, Branko, Poursanidis, Dimitris, Tsatiris, Alexandros, Corsini-Foka, Maria, Orlando-Bonaca, Martina, Insacco, Gianni, Tsalapatis, Alexandros, Scannella, Danilo, Tiralongo, Francesco, Verdura, Jana, Vitale, Sergio, Valsamidis, MichailAggelos, Bazairi, Hocein, Mannino, Anna Maria, Virgili, Riccardo, Coccia, Fabio Collepardo, El Zrelli, Radhouan, Nikolidakis, Savvas, Rabaoui, Lotfi Jilani, Yapıcı, Sercan, Zaouali, Jeanne, Zava, Bruno, Agrotis, Neophytos, Bilecenoglu, Murat, Çinar, Melih Ertan, Moraitis, Manos L., Albano, Paolo G., Kaddouri, Nassir, Kosma, Ioanna, Falsone, Fabio, Fossati, Valentina, Geraci, Michele Luca, Zamuda, Leon Lojze, Mancuso, Francesco Paolo, Petrou, Antonis, Resaikos, Vasilis, Aydın, İlker, Batjakas, Ioannis E., Bos, Arthur R., El Ouamari, Najib, Giallongo, Giovanni, Kampouris, Thodoros E., Ounifi-Ben Amor, Khadija, Doğan, Alper, Dulčić, Jakov, Şükran Okudan, Emine, Rilov, Gil, Rosso, Antonietta, Royo, Laura, Selfati, Mohamed, Gaglioti, Martina, Giakoumi, Sylvaine, Kousteni, Vasiliki, Micu, Dragoș, Nicoară, Mircea, Orfanidis, Sotiris, Papatheodoulou, Magdalene, Tempesti, Jonathan, Triantaphyllou, Maria, Tsourou, Theodora, Yalgın, Ferhat, Baltag, Emanuel, Cerim, Hasan, Filiz, Halit, Georgiadis, Constantinos G., Papadamakis, Paschalis, Rammou, Dimitra Lida, Samargiu, Manuela Diana, Sciuto, Francesco, Sinopoli, Mauro, Türker, Ali, Chiarore, Antonia, Tamburello, Laura, Karray, Sahar, Hassen, Bilel, and Katsanevakis, Stelios

Abstract

To enrich spatio-temporal information on the distribution of alien, cryptogenic, and neonative species in the Mediterranean and the Black Sea, a collective effort by 173 marine scientists was made to provide unpublished records and make them open access to the scientific community. Through this effort, we collected and harmonized a dataset of 12,649 records. It includes 247 taxa, of which 217 are Animalia, 25 Plantae and 5 Chromista, from 23 countries surrounding the Mediterranean and the Black Sea. Chordata was the most abundant taxonomic group, followed by Arthropoda, Mollusca, and Annelida. In terms of species records, Siganus luridus, Siganus rivulatus, Saurida lessepsianus, Pterois miles, Upeneus moluccensis, Charybdis (Archias) longicollis, and Caulerpa cylindracea were the most numerous. The temporal distribution of the records ranges from 1973 to 2022, with 44% of the records in 2020–2021. Lethrinus borbonicus is reported for the first time in the Mediterranean Sea, while Pomatoschistus quagga, Caulerpa cylindracea, Grateloupia turuturu, and Misophria pallida are first records for the Black Sea; Kapraunia schneideri is recorded for the second time in the Mediterranean and for the first time in Israel; Prionospio depauperata and Pseudonereis anomala are reported for the first time from the Sea of Marmara. Many first country records are also included, namely: Amathia verticillata (Montenegro), Ampithoe valida (Italy), Antithamnion amphigeneum (Greece), Clavelina oblonga (Tunisia and Slovenia), Dendostrea cf. folium (Syria), Epinephelus fasciatus (Tunisia), Ganonema farinosum (Montenegro), Macrorhynchia philippina (Tunisia), Marenzelleria neglecta (Romania), Paratapes textilis (Tunisia), and Botrylloides diegensis (Tunisia).

Published
2023

19. Unpublished Mediterranean and Black Sea records of marine alien, cryptogenic, and neonative species

Author

Hellenic Foundation for Research and Innovation, European Commission, Ministry of Development and Investments (Greece), Israel Society of Ecology and Environmental Sciences, Israel Nature and Parks Authority, Govern de les Illes Balears, Fundación Biodiversidad, Ministerio para la Transición Ecológica y el Reto Demográfico (España), Università degli Studi di Catania, Generalitat de Catalunya, L-Università ta' Malta, Ministry of Education and Research (Romania), University of Bucharest, Slovenian Research Agency, Ministry of Agriculture, Forestry and Food (Slovenia), Ministero delle Politiche Agricole Alimentari e Forestali, National and Kapodistrian University of Athens, University of the Aegean, American University of Beirut, CSIC - Instituto de Ciencias del Mar (ICM), Consejo Superior de Investigaciones Científicas (España), Junta de Andalucía, Université Côte d'Azur, Ragkousis, Michail, Zenetos, Argyro, Souissi, Jamila Ben, Hoffman, Razy, Ghanem, Raouia, Taşkın, Ergün, Muresan, Mihaela, Karpova, Evgeniia, Slynko, Elena, Dağlı, Ertan, Fortič, Ana, Surugiu, Victor, Mačić, Vesna, Trkov, Domen, Rjiba-Bahri, Wafa, Tsiamis, Konstantinos, Ramos-Esplá, Alfonso A., Petović, Slavica, Ferrario, Jasmine, Marchini, Agnese, Sconfietti, Renato, Ammar, Izdihar, Alo, Alaa, Edelist, Dori, Begun, Tatiana, Teaca, Adrian, Tari, Gokhan, Huseyinoglu, Mehmet Fatih, Karachle, Paraskevi K., Dogrammatzi, Aikaterini, Apostolopoulos, Giorgos A., Crocetta, Fabio, Kytinou, Eleni, Digenis, Markos, Skouradakis, Grigorios, Tomàs, Fiona, Bariche, Michel, Kaminas, Alexandros, Konida, Kassiani, Deidun, Alan, Marrone, Alessio, Fraschetti, Simonetta, Mihneva, Vesselina, Bianchi, Carlo Nike, Morri, Carla, Gerovasileiou, Vasilis, Lipej, Lovrenc, Sini, Maria, Mangialajo, Luisa, Zotou, Maria, Skolka, Marius, Azzurro, Ernesto, Vella, Adriana, Dailianis, Thanos, Grigoriou, Panos, Jiménez, Carlos, Tsirintanis, Konstantinos, Oikonomidis, Georgios, Mancini, Emanuele, Papadakis, Orestis, Di Martino, Vincenzo, Chatzigeorgiou, Giorgos, Ben Amor, Mohamed Mourad, Vernadou, Emmanouela, Arda, Yaprak, Minasidis, Vasileios, Azzola, Annalisa, Hadjioannou, Louis, Montefalcone, Monica, Baldacchino, Yacopo, Stancanelli, Bessy, Bonifazi, Andrea, Occhipinti-Ambrogi, Anna, Smeraldo, Sonia, Evans, Julian, Kondylatos, Gerasimos, Falautano, Manuela, Castriota, Luca, Lamprou, Aggelos, Rizgalla, Jamila, Mavrič, Borut, Papadimitriou, Evangelos, Kersting, D. K., Schembri, Patrick J., Khamassi, Faten, Nikolaou, Athanasios, Ballesteros, Enric, Dimitriadis, Charalampos, García, María, Anastasiadis, Athanasios, Kalogirou, Stefanos, Nalmpanti, Melina, Altamirano, María, Grech, Daniele, Mavrouleas, Dimitrios, Vella, Noel, Darmanin, Sandra Agius, Dragičević, Branko, Poursanidis, Dimitris, Tsatiris, Alexandros, Hellenic Foundation for Research and Innovation, European Commission, Ministry of Development and Investments (Greece), Israel Society of Ecology and Environmental Sciences, Israel Nature and Parks Authority, Govern de les Illes Balears, Fundación Biodiversidad, Ministerio para la Transición Ecológica y el Reto Demográfico (España), Università degli Studi di Catania, Generalitat de Catalunya, L-Università ta' Malta, Ministry of Education and Research (Romania), University of Bucharest, Slovenian Research Agency, Ministry of Agriculture, Forestry and Food (Slovenia), Ministero delle Politiche Agricole Alimentari e Forestali, National and Kapodistrian University of Athens, University of the Aegean, American University of Beirut, CSIC - Instituto de Ciencias del Mar (ICM), Consejo Superior de Investigaciones Científicas (España), Junta de Andalucía, Université Côte d'Azur, Ragkousis, Michail, Zenetos, Argyro, Souissi, Jamila Ben, Hoffman, Razy, Ghanem, Raouia, Taşkın, Ergün, Muresan, Mihaela, Karpova, Evgeniia, Slynko, Elena, Dağlı, Ertan, Fortič, Ana, Surugiu, Victor, Mačić, Vesna, Trkov, Domen, Rjiba-Bahri, Wafa, Tsiamis, Konstantinos, Ramos-Esplá, Alfonso A., Petović, Slavica, Ferrario, Jasmine, Marchini, Agnese, Sconfietti, Renato, Ammar, Izdihar, Alo, Alaa, Edelist, Dori, Begun, Tatiana, Teaca, Adrian, Tari, Gokhan, Huseyinoglu, Mehmet Fatih, Karachle, Paraskevi K., Dogrammatzi, Aikaterini, Apostolopoulos, Giorgos A., Crocetta, Fabio, Kytinou, Eleni, Digenis, Markos, Skouradakis, Grigorios, Tomàs, Fiona, Bariche, Michel, Kaminas, Alexandros, Konida, Kassiani, Deidun, Alan, Marrone, Alessio, Fraschetti, Simonetta, Mihneva, Vesselina, Bianchi, Carlo Nike, Morri, Carla, Gerovasileiou, Vasilis, Lipej, Lovrenc, Sini, Maria, Mangialajo, Luisa, Zotou, Maria, Skolka, Marius, Azzurro, Ernesto, Vella, Adriana, Dailianis, Thanos, Grigoriou, Panos, Jiménez, Carlos, Tsirintanis, Konstantinos, Oikonomidis, Georgios, Mancini, Emanuele, Papadakis, Orestis, Di Martino, Vincenzo, Chatzigeorgiou, Giorgos, Ben Amor, Mohamed Mourad, Vernadou, Emmanouela, Arda, Yaprak, Minasidis, Vasileios, Azzola, Annalisa, Hadjioannou, Louis, Montefalcone, Monica, Baldacchino, Yacopo, Stancanelli, Bessy, Bonifazi, Andrea, Occhipinti-Ambrogi, Anna, Smeraldo, Sonia, Evans, Julian, Kondylatos, Gerasimos, Falautano, Manuela, Castriota, Luca, Lamprou, Aggelos, Rizgalla, Jamila, Mavrič, Borut, Papadimitriou, Evangelos, Kersting, D. K., Schembri, Patrick J., Khamassi, Faten, Nikolaou, Athanasios, Ballesteros, Enric, Dimitriadis, Charalampos, García, María, Anastasiadis, Athanasios, Kalogirou, Stefanos, Nalmpanti, Melina, Altamirano, María, Grech, Daniele, Mavrouleas, Dimitrios, Vella, Noel, Darmanin, Sandra Agius, Dragičević, Branko, Poursanidis, Dimitris, and Tsatiris, Alexandros

Abstract

To enrich spatio-temporal information on the distribution of alien, cryptogenic, and neonative species in the Mediterranean and the Black Sea, a collective effort by 173 marine scientists was made to provide unpublished records and make them open access to the scientific community. Through this effort, we collected and harmonized a dataset of 12,649 records. It includes 247 taxa, of which 217 are Animalia, 25 Plantae and 5 Chromista, from 23 countries surrounding the Mediterranean and the Black Sea. Chordata was the most abundant taxonomic group, followed by Arthropoda, Mollusca, and Annelida. In terms of species records, Siganus luridus, Siganus rivulatus, Saurida lessepsianus, Pterois miles, Upeneus moluccensis, Charybdis (Archias) longicollis, and Caulerpa cylindracea were the most numerous. The temporal distribution of the records ranges from 1973 to 2022, with 44% of the records in 2020–2021. Lethrinus borbonicus is reported for the first time in the Mediterranean Sea, while Pomatoschistus quagga, Caulerpa cylindracea, Grateloupia turuturu, and Misophria pallida are first records for the Black Sea; Kapraunia schneideri is recorded for the second time in the Mediterranean and for the first time in Israel; Prionospio depauperata and Pseudonereis anomala are reported for the first time from the Sea of Marmara. Many first country records are also included, namely: Amathia verticillata (Montenegro), Ampithoe valida (Italy), Antithamnion amphigeneum (Greece), Clavelina oblonga (Tunisia and Slovenia), Dendostrea cf. folium (Syria), Epinephelus fasciatus (Tunisia), Ganonema farinosum (Montenegro), Macrorhynchia philippina (Tunisia), Marenzelleria neglecta (Romania), Paratapes textilis (Tunisia), and Botrylloides diegensis (Tunisia).

Published
2023

20. Validated Inventories of Non-Indigenous Species (NIS) for the Mediterranean Sea as Tools for Regional Policy and Patterns of NIS Spread

Author

Centre d'Activités Régionales pour les Aires Spécialement Protégées (Tunisie), United Nations Environment Programme, Galanidi, Marika, Aissi, Mehdi, Ali, Malek, Bakalem, Ali, Bariche, Michel, Bartolo, Angela G., Bazairi, Hocein, Beqiraj, Sajmir, Bilecenoglu, Murat, Bitar, Ghazi, Bugeja, Myra, Carbonell, Aina, Castriota, Luca, Chalabi, Adbdelhafidh, Çinar, Melih Ertan, Dragičević, Branko, Dulčić, Jakov, El-Haweet, Alaa Eldin Ahmed, Farrag, Mahmoud M. S., Evans, Julian, Galil, Bella, Guerin, Laurent, Hyams-Kaphzan, Orit, Kapedani, Rezart, Kamberi, Elvis, Livi, Silvia, Mačić, Vesna, Masse, Cécile, Mavrič, Borut, Orlando-Bonaca, Martina, Ouerghi, Atef, Petović, Slavica, Png-González, Lydia, Schembri, Patrick J., Shenkar, Noa, Sghaier, Yassine Ramzi, Shakman, Esmail, Yahyaoui, Asma, Yokeş, Mehmet Baki, Zenetos, Argyro, Centre d'Activités Régionales pour les Aires Spécialement Protégées (Tunisie), United Nations Environment Programme, Galanidi, Marika, Aissi, Mehdi, Ali, Malek, Bakalem, Ali, Bariche, Michel, Bartolo, Angela G., Bazairi, Hocein, Beqiraj, Sajmir, Bilecenoglu, Murat, Bitar, Ghazi, Bugeja, Myra, Carbonell, Aina, Castriota, Luca, Chalabi, Adbdelhafidh, Çinar, Melih Ertan, Dragičević, Branko, Dulčić, Jakov, El-Haweet, Alaa Eldin Ahmed, Farrag, Mahmoud M. S., Evans, Julian, Galil, Bella, Guerin, Laurent, Hyams-Kaphzan, Orit, Kapedani, Rezart, Kamberi, Elvis, Livi, Silvia, Mačić, Vesna, Masse, Cécile, Mavrič, Borut, Orlando-Bonaca, Martina, Ouerghi, Atef, Petović, Slavica, Png-González, Lydia, Schembri, Patrick J., Shenkar, Noa, Sghaier, Yassine Ramzi, Shakman, Esmail, Yahyaoui, Asma, Yokeş, Mehmet Baki, and Zenetos, Argyro

Abstract

This work presents refined, updated subregional and regional non-indigenous species (NIS) inventories for the Mediterranean Sea, validated by national and taxonomic experts, with species records observed until December 2020. These datasets will be used as the baselines for the implementation of the Integrated Monitoring and Assessment Programme for the Mediterranean (IMAP) and the Mediterranean Quality Status Report 2023. In total, 1006 non-indigenous species have been found in Mediterranean marine and brackish waters. The highest numbers of NIS were observed in Israel, Türkiye, Lebanon and Italy. Approximately 45 species were categorized as data deficient, either due to lack of consensus on their alien status or the validity of their identification. Polychaeta, Foraminifera and macroalgae were the groups with the highest numbers of controversial species. There was a general increase in the yearly rate of new NIS introductions after the late 1990s, which appears to be slowing down in the last decade, but this may be confounded by reporting lags and differential research efforts. Between 1970 and 2020 there has been a steep increase in the proportion of shared species present throughout all four Mediterranean subregions, which are predominantly transported via shipping and recreational boating. While Lessepsian species are gradually spreading westwards and northwards, there is still a considerable invasion debt accumulating in the eastern and central Mediterranean.

Published
2023

24. Unpublished Mediterranean and Black Sea records of marine alien, cryptogenic, and neonative species

Author

Michail, Ragkousis, Argyro, Zenetos, Jamila Ben Souissi, Razy, Hoffman, Raouia, Ghanem, Ergün, Taşkın, Mihaela, Muresan, Evgeniia, Karpova, Elena, Slynko, Ertan, Dağlı, Ana, Fortič, Victor, Surugiu, Vesna, Mačić, Domen, Trkov, Wafa Rjiba Bahri, Konstantinos, Tsiamis, Ramos-Espla, Alfonso A., Slavica, Petović, Jasmine, Ferrario, Agnese, Marchini, Renato, Sconfietti, Izdihar, Ammar, Alaa, Alo, Dori, Edelist, Tatiana, Begun, Adrian, Teaca, Gokhan, Tari, Mehmet Fatih Huseyinoglu, Karachle, Paraskevi K., Aikaterini, Dogrammatzi, Apostolopoulos, Giorgos A., Fabio, Crocetta, Eleni, Kytinou, Markos, Digenis, Grigorios, Skouradakis, Fiona, Tomas, Michel, Bariche, Alexandros, Kaminas, Kassiani, Konida, Alan, Deidun, Alessio, Marrone, Simonetta, Fraschetti, Vesselina, Mihneva, Carlo Nike Bianchi, Carla, Morri, Vasilis, Gerovasileiou, Lovrenc, Lipej, Maria, Sini, Luisa, Mangialajo, Maria, Zotou, Marius, Skolka, Ernesto, Azzurro, Adriana, Vella, Thanos, Dailianis, Panos, Grigoriou, Carlos, Jimenez, Konstantinos, Tsirintanis, Georgios, Oikonomidis, Emanuele, Mancini, Orestis, Papadakis, Vincenzo Di Martino, Giorgos, Chatzigeorgiou, Mohamed Mourad Ben Amor, Emmanouela, Vernadou, Yaprak, Arda, Vasileios, Minasidis, Annalisa, Azzola, Louis, Hadjioannou, Monica, Montefalcone, Yacopo, Baldacchino, Bessy, Stancanelli, Andrea, Bonifazi, Anna, Occhipinti-Ambrogi, Sonia, Smeraldo, Julian, Evans, Gerasimos, Kondylatos, Manuela, Falautano, Luca, Castriota, Aggelos, Lamprou, Jamila, Rizgalla, Borut, Mavrič, Evangelos, Papadimitriou, Kersting, Diego K., Schembri, Patrick J., Faten, Khamassi, Athanasios, Nikolaou, Enric, Ballesteros, Charalampos, Dimitriadis, María, García, Athanasios, Anastasiadis, Stefanos, Kalogirou, Melina, Nalmpanti, María, Altamirano, Daniele, Grech, Dimitrios, Mavrouleas, Noel, Vella, Sandra Agius Darmanin, Branko, Dragičević, Dimitris, Poursanidis, Alexandros, Tsatiris, Maria, Corsini-Foka, Martina, Orlando-Bonaca, Gianni, Insacco, Alexandros, Tsalapatis, Danilo, Scannella, Tiralongo, Francesco, Jana, Verdura, Sergio, Vitale, Michail-Aggelos, Valsamidis, Hocein, Bazairi, Anna Maria Mannino, Riccardo, Virgili, Fabio Collepardo Coccia, Radhouan El Zrelli, Savvas, Nikolidakis, Lotfi Jilani Rabaoui, Sercan, Yapıcı, Jeanne, Zaoual, Bruno, Zava, Neophytos, Agrotis, Murat, Bilecenoglu, Melih Ertan Çinar, Moraitis, Manos L., Albano, Paolo G., Nassir, Kaddouri, Ioanna, Kosma, Fabio, Falsone, Valentina, Fossati, Michele Luca Geraci, Leon Lojze Zamuda, Francesco Paolo Mancuso, Antonis, Petrou, Vasilis, Resaikos, İlker, Aydın, Batjakas, Ioannis E., Bos, Arthur R., Najib El Ouamari, Giovanni, Giallongo, Kampouris, Thodoros E., Khadija Ounifi-Ben Amor, Alper, Doğan, Jakov, Dulčić, Emine Şükran Okudan, Gil, Rilov, Rosso, Maria Antonietta, Laura, Royo, Mohamed, Selfati, Martina, Gaglioti, Sylvaine, Giakoumi, Vasiliki, Kousteni, Dragoș, Micu, Mircea, Nicoară, Sotiris, Orfanidis, Magdalene, Papatheodoulou, Jonathan, Tempesti, Maria, Triantaphyllou, Theodora, Tsourou, Ferhat, Yalgın, Emanuel, Baltag, Hasan, Cerim, Halit, Filiz, Georgiadis, Constantinos G., Paschalis, Papadamakis, Dimitra Lida Rammou, Manuela Diana Samargiu, Sciuto, Francesco, Mauro, Sinopoli, Ali, Türker, Antonia, Chiarore, Laura, Tamburello, Sahar, Karray, and Bilel Hassen and Stelios Katsanevakis

Subjects
invasive alien species, Ecology, geo-referenced records, Black Sea, distribution, Mediterranean Sea, non-indigenous, non-native species, non-indigenous, distribution, invasive alien species, geo-referenced records, Mediterranean Sea, Black Sea, non-native species, Ecology, Evolution, Behavior and Systematics
Abstract

To enrich spatio-temporal information on the distribution of alien, cryptogenic, and neonative species in the Mediterranean and the Black Sea, a collective effort by 173 marine scientists was made to provide unpublished records and make them open access to the scientific community. Through this effort, we collected and harmonized a dataset of 12, 649 records. It includes 247 taxa, of which 217 are Animalia, 25 Plantae and 5 Chromista, from 23 countries surrounding the Mediterranean and the Black Sea. Chordata was the most abundant taxonomic group, followed by Arthropoda, Mollusca, and Annelida. In terms of species records, Siganus luridus, Siganus rivulatus, Saurida lessepsianus, Pterois miles, Upeneus moluccensis, Charybdis (Archias) longicollis, and Caulerpa cylindracea were the most numerous. The temporal distribution of the records ranges from 1973 to 2022, with 44% of the records in 2020–2021. Lethrinus borbonicus is reported for the first time in the Mediterranean Sea, while Pomatoschistus quagga, Caulerpa cylindracea, Grateloupia turuturu, and Misophria pallida are first records for the Black Sea ; Kapraunia schneideri is recorded for the second time in the Mediterranean and for the first time in Israel ; Prionospio depauperata and Pseudonereis anomala are reported for the first time from the Sea of Marmara. Many first country records are also included, namely: Amathia verticillata (Montenegro), Ampithoe valida (Italy), Antithamnion amphigeneum (Greece), Clavelina oblonga (Tunisia and Slovenia), Dendostrea cf. folium (Syria), Epinephelus fasciatus (Tunisia), Ganonema farinosum (Montenegro), Macrorhynchia philippina (Tunisia), Marenzelleria neglecta (Romania), Paratapes textilis (Tunisia), and Botrylloides diegensis (Tunisia).

Published
2023

25. Unpublished Mediterranean and Black Sea records of marine alien, cryptogenic, and neonative species

Author

Ragkousis, Michail, Zenetos, Argyro, Souissi, Jamila Ben, Hoffman, Razy, Ghanem, Raouia, Taşkın, Ergün, Muresan, Mihaela, Karpova, Evgeniia, Slynko, Elena, Dağlı, Ertan, Fortič, Ana, Dulčić, Jakov, Dogrammatzi, Aikaterini, Şükran Okudan, Emine, Rilov, Gil, Rosso, Antonietta, Bianchi, Carlo Nike, Royo, Laura, Selfati, Mohamed, Gaglioti, Martina, Giakoumi, Sylvaine, Tsirintanis, Konstantinos, Kousteni, Vasiliki, Tsiamis, Konstantinos, Micu, Dragoș, Apostolopoulos, Giorgos A., Nicoară, Mircea, Orfanidis, Sotiris, Morri, Carla, Papatheodoulou, Magdalene, Tempesti, Jonathan, Triantaphyllou, Maria, Insacco, Gianni, Tsourou, Theodora, Yalgın, Ferhat, Baltag, Emanuel, Cerim, Hasan, Ramos-Espl, Alfonso A., Crocetta, Fabio, Filiz, Halit, Gerovasileiou, Vasilis, Georgiadis, Constantinos G., Papadamakis, Paschalis, Oikonomidis, Georgios, Rammou, Dimitra Lida, Samargiu, Manuela Diana, Sciuto, Francesco, Sinopoli, Mauro, Türker, Ali, Chiarore, Antonia, Tamburello, Laura, Kytinou, Eleni, Lipej, Lovrenc, Petović, Slavica, Mancini, Emanuele, Karray, Sahar, Hassen, Bilel, Katsanevakis, Stelios, Ferrario, Jasmine, Marchini, Agnese, Sconfietti, Renato, Ammar, Izdihar, Alo, Alaa, Edelist, Dori, Orlando- Bonaca, Martina, Papadakis, Orestis, Digenis, Markos, Begun, Tatiana, Teaca, Adrian, Tari, Gokhan, Skouradakis, Grigorios, Tomas, Fiona, Bariche, Michel, Corsini-Foka, Maria, Kaminas, Alexandros, Konida, Kassiani, Yapıcı, Sercan, Sini, Maria, Deidun, Alan, Marrone, Alessio, Fraschetti, Simonetta, Mangialajo, Luisa, Zotou, Maria, Skolka, Marius, Rabaoui, Lotfi Jilani, Azzurro, Ernesto, Vella, Adriana, Di Martino, Vincenzo, Dailianis, Thanos, Grigoriou, Panos, Jimenez, Carlos, Chatzigeorgiou, Giorgos, Ben Amor, Mohamed Mourad, Vernadou, Emmanouela, Zamuda, Leon Lojze, Arda, Yaprak, Minasidis, Vasileios, Azzola, Annalisa, Tsalapatis, Alexandros, Hadjioannou, Louis, Montefalcone, Monica, Zaouali, Jeanne, Baldacchino, Yacopo, Stancanelli, Bessy, Bonifazi, Andrea, Trkov, Domen, Occhipinti-Ambrogi, Anna, Smeraldo, Sonia, Evans, Julian, Kondylatos, Gerasimos, Falautano, Manuela, Scannella, Danilo, Castriota, Luca, Zava, Bruno, Lamprou, Aggelos, Rizgalla, Jamila, Mancuso, Francesco Paolo, Mavrič, Borut, Papadimitriou, Evangelos, Kersting, Diego K., Schembri, Patrick J., Khamassi, Faten, Nikolaou, Athanasios, Ballesteros, Enric, Tiralongo, Francesco, Agrotis, Neophytos, Dimitriadis, Charalampos, Petrou, Antonis, García, María, Anastasiadis, Athanasios, Kalogirou, Stefanos, Nalmpanti, Melina, Altamirano, María, Grech, Daniele, Mavrouleas, Dimitrios, Vella, Noel, Agius Darmanin, Sandra, Mačić, Vesna, Resaikos, Vasilis, Verdura, Jana, Dragičević, Branko, Poursanidis, Dimitris, Tsatiris, Alexandros, Vitale, Sergio, Valsamidis, Michail-Aggelos, Bazairi, Hocein, Surugiu, Victor, Mannino, Anna Maria, Virgili, Riccardo, Karachle, Paraskevi K., Bilecenoglu, Murat, Collepardo Coccia, Fabio, El Zrelli, Radhouan, Nikolidakis, Savvas, Ertan Çinar, Melih, Moraitis, Manos L., Albano, Paolo G., Huseyinoglu, Mehmet Fatih, Kaddouri, Nassir, Kosma, Ioanna, Aydın, İlker, Falsone, Fabio, Fossati, Valentina, Geraci, Michele Luca, Batjakas, Ioannis E., Bos, Arthur R., El Ouamari, Najib, Mihneva, Vesselina, Giallongo, Giovanni, Kampouris, Thodoros E., Ounifi-Ben Amor, Khadija, Bahri, Wafa Rjiba, and Doğan, Alper

Subjects
Introduced organisms -- Mediterranean Sea, Marine animals -- Mediterranean Sea, Marine animals -- Black Sea, Climatic changes -- Black Sea Region, Climatic changes -- Mediterranean Region, Introduced organisms -- Black Sea
Abstract

To enrich spatio-temporal information on the distribution of alien, cryptogenic, and neonative species in the Mediterranean and the Black Sea, a collective effort by 173 marine scientists was made to provide unpublished records and make them open access to the scientific community. Through this effort, we collected and harmonized a dataset of 12,649 records. It includes 247 taxa, of which 217 are Animalia, 25 Plantae and 5 Chromista, from 23 countries surrounding the Mediterranean and the Black Sea. Chordata was the most abundant taxonomic group, followed by Arthropoda, Mollusca, and Annelida. In terms of species records, Siganus luridus, Siganus rivulatus, Saurida lessepsianus, Pterois miles, Upeneus moluccensis, Charybdis (Archias) longicollis, and Caulerpa cylindracea were the most numerous. The temporal distribution of the records ranges from 1973 to 2022, with 44% of the records in 2020–2021. Lethrinus borbonicus is reported for the first time in the Mediterranean Sea, while Pomatoschistus quagga, Caulerpa cylindracea, Grateloupia turuturu, and Misophria pallida are first records for the Black Sea; Kapraunia schneideri is recorded for the second time in the Mediterranean and for the first time in Israel; Prionospio depauperata and Pseudonereis anomala are reported for the first time from the Sea of Marmara. Many first country records are also included, namely: Amathia verticillata (Montenegro), Ampithoe valida (Italy), Antithamnion amphigeneum (Greece), Clavelina oblonga (Tunisia and Slovenia), Dendostrea cf. folium (Syria), Epinephelus fasciatus (Tunisia), Ganonema farinosum (Montenegro), Macrorhynchia philippina (Tunisia), Marenzelleria neglecta (Romania), Paratapes textilis (Tunisia), and Botrylloides diegensis (Tunisia)., peer-reviewed

Published
2023

33. The Maltese Archipelago

Author

Cassar, Louis F., Conrad, Elisabeth, Schembri, Patrick J., Décamps, Henri, editor, Tress, Bärbel, editor, Tress, Gunther, editor, Vogiatzakis, Ioannis, editor, Pungetti, G., editor, and Mannion, A. M., editor

Published
2008
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37. ClimateFish: A Collaborative Database to Track the Abundance of Selected Coastal Fish Species as Candidate Indicators of Climate Change in the Mediterranean Sea

Author

Universidad de Alicante. Departamento de Ciencias del Mar y Biología Aplicada, Azzurro, Ernesto, Ballerini, Tosca, Antoniadou, Chryssanthi, Aversa, Giulia Domizia, Ben Souissi, Jamila, Blašković, Andrea, Cappanera, Valentina, Chiappi, Marina, Cinti, Maria-Francesca, Colloca, Francesco, Cvitković, Ivan, D’Amen, Manuela, Despalatović, Marija, Di Franco, Antonio, Dimitriadis, Charalampos, Dragičević, Branko, Fanelli, Emanuela, Figuerola, Laura, Fortibuoni, Tomaso, Franzitta, Giulio, Garrabou, Joaquim, Geloso, Tatiana, Ghanem, Raouia, Gori, Andrea, Hervat, Martina, Izquierdo Muñoz, Andrés, Linares, Cristina, La Mesa, Gabriele, Merotto, Lorenzo, Micallef, Reno, Miliou, Anastasia, Minelli, Annalisa, Moschella, Paula, Pannacciulli, Federica, Panzalis, Pieraugusto, Pavičić, Mišo, Petrou, Antonis, Ramos-Esplá, Alfonso A., Saponari, Luca, Scarcella, Giuseppe, Spoto, Marco, Stagličić, Nika, Vrdoljak, Dario, Weitzmann, Boris, Schembri, Patrick J., Universidad de Alicante. Departamento de Ciencias del Mar y Biología Aplicada, Azzurro, Ernesto, Ballerini, Tosca, Antoniadou, Chryssanthi, Aversa, Giulia Domizia, Ben Souissi, Jamila, Blašković, Andrea, Cappanera, Valentina, Chiappi, Marina, Cinti, Maria-Francesca, Colloca, Francesco, Cvitković, Ivan, D’Amen, Manuela, Despalatović, Marija, Di Franco, Antonio, Dimitriadis, Charalampos, Dragičević, Branko, Fanelli, Emanuela, Figuerola, Laura, Fortibuoni, Tomaso, Franzitta, Giulio, Garrabou, Joaquim, Geloso, Tatiana, Ghanem, Raouia, Gori, Andrea, Hervat, Martina, Izquierdo Muñoz, Andrés, Linares, Cristina, La Mesa, Gabriele, Merotto, Lorenzo, Micallef, Reno, Miliou, Anastasia, Minelli, Annalisa, Moschella, Paula, Pannacciulli, Federica, Panzalis, Pieraugusto, Pavičić, Mišo, Petrou, Antonis, Ramos-Esplá, Alfonso A., Saponari, Luca, Scarcella, Giuseppe, Spoto, Marco, Stagličić, Nika, Vrdoljak, Dario, Weitzmann, Boris, and Schembri, Patrick J.

Abstract

Under the effects of global warming, many animals and plants are undergoing rapid distribution shifts. These changes can be particularly rapid in marine fishes, and many species have responded markedly to recent increases in sea temperature. ClimateFish is an open-access database, which collates abundance data for 7 Mediterranean indigenous and 8 non-indigenous fishes, proposed as candidate indicators of climate change. These species have been selected by a network of Mediterranean scientists based on their wide distribution, responsiveness to temperature conditions and easy identification. Data are periodically collected according to a standard visual census protocol in four different depth layers. At present, the database collates data on a total number of 101'771 observed individuals belonging to the 15 target species. Counts were realized along 3142 transects carried out in 7 Mediterranean countries between 2009 and 2021. This database, associated with climate data, offers new opportunities to investigate spatiotemporal effects of climate change and to test the effectiveness of each selected indicator. Data are available at https://doi.org/10.17882/86784.

Published
2022

38. ClimateFish: A Collaborative Database to Track the Abundance of Selected Coastal Fish Species as Candidate Indicators of Climate Change in the Mediterranean Sea

Author

Fondation Prince Albert II de Monaco, European Commission, Agencia Estatal de Investigación (España), Azzurro, Ernesto, Ballerini, Tosca, Antoniadou, Chryssanthi, Aversa, Giulia Domizia, Ben Souissi, Jamila, Blašković, Andrea, Cappanera, Valentina, Chiappi, Marina, Cinti, Maria-Francesca, Colloca, Francesco, Cvitković, Ivan, D'Amen, Manuela, Despalatović, Marija, Di Franco, Antonio, Dimitriadis, Charalampos, Dragićević, Branko, Fanelli, Emanuela, Figuerola, Laura, Fortibuoni, Tomaso, Franzitta, Giulio, Garrabou, Joaquim, Geloso, Tatiana, Ghanem, Raouia, Gori, Andrea, Hervat, Martina, Izquierdo, Andrés, Linares, Cristina, La Mesa, Gabriele, Merotto, Lorenzo, Micallef, Reno, Miliou, Anastasia, Minelli, Annalisa, Moschella, Paula, Pannacciulli, Federica, Panzalis, Pieraugusto, Pavičić, Mišo, Petrou, Antonis, Ramos-Esplá, Alfonso A., Saponari, Luca, Scarcella, Giuseppe, Spoto, Marco, Stagličić, Nika, Vrdoljak, Dario, Weitzmann, Boris, Schembri, Patrick J., Fondation Prince Albert II de Monaco, European Commission, Agencia Estatal de Investigación (España), Azzurro, Ernesto, Ballerini, Tosca, Antoniadou, Chryssanthi, Aversa, Giulia Domizia, Ben Souissi, Jamila, Blašković, Andrea, Cappanera, Valentina, Chiappi, Marina, Cinti, Maria-Francesca, Colloca, Francesco, Cvitković, Ivan, D'Amen, Manuela, Despalatović, Marija, Di Franco, Antonio, Dimitriadis, Charalampos, Dragićević, Branko, Fanelli, Emanuela, Figuerola, Laura, Fortibuoni, Tomaso, Franzitta, Giulio, Garrabou, Joaquim, Geloso, Tatiana, Ghanem, Raouia, Gori, Andrea, Hervat, Martina, Izquierdo, Andrés, Linares, Cristina, La Mesa, Gabriele, Merotto, Lorenzo, Micallef, Reno, Miliou, Anastasia, Minelli, Annalisa, Moschella, Paula, Pannacciulli, Federica, Panzalis, Pieraugusto, Pavičić, Mišo, Petrou, Antonis, Ramos-Esplá, Alfonso A., Saponari, Luca, Scarcella, Giuseppe, Spoto, Marco, Stagličić, Nika, Vrdoljak, Dario, Weitzmann, Boris, and Schembri, Patrick J.

Abstract

Under the effects of global warming, many animals and plants are undergoing rapid distribution shifts. These changes can be particularly rapid in marine fishes, and many species have responded markedly to recent increases in sea temperature. ClimateFish is an open-access database, which collates abundance data for 7 Mediterranean indigenous and 8 non-indigenous fishes, proposed as candidate indicators of climate change. These species have been selected by a network of Mediterranean scientists based on their wide distribution, responsiveness to temperature conditions and easy identification. Data are periodically collected according to a standard visual census protocol in four different depth layers. At present, the database collates data on a total number of 101'771 observed individuals belonging to the 15 target species. Counts were realized along 3142 transects carried out in 7 Mediterranean countries between 2009 and 2021. This database, associated with climate data, offers new opportunities to investigate spatiotemporal effects of climate change and to test the effectiveness of each selected indicator. Data are available at https://doi.org/10.17882/86784. The Mediterranean Sea is warming faster than any other marine region in the world (Pastor et al., 2020; Pisano et al., 2020), with increasingly drastic consequences on marine ecosystems (Albano et al., 2021; Garrabou et al., 2021) and on the services they provide to our societies. These changes can be particularly rapid in fish species, which are globally responding with marked shifts in latitude or depth or both (Perry et al., 2005; Chaikin et al., 2022). Climate change is indeed driving species ranges toward the poles and increasing the risks of extinction when dispersal capabilities are limited, such as in the semi-enclosed Mediterranean basin (Ben Rais Lasram et al., 2010). During the last decades, several warm water species have expanded their geographical distribution and increased their abundance in the

Published
2022

39. Common traits associated with establishment and spread of Lessepsian fishes in the Mediterranean Sea

Author

Arndt, Erik and Schembri, Patrick J.

Subjects
Fishes -- Migration, Fish populations -- Distribution -- Environmental aspects, Suez Canal -- Environmental aspects, Company distribution practices
Abstract

It was more than 30 years after the opening of the Suez Canal in 1869 that the first reports on Indo-Pacific fishes entering the Mediterranean Sea (so-called 'Lessepsian migration') were published. The number of new records of Lessepsian fishes remained more or less constant between 1920 and 2000 but increased dramatically after that. The accelerated rate of entry was attributed by many authors to an increase in the Mediterranean surface water temperature. However, the Suez Canal has been repeatedly deepened and widened during the last decades and the increased immigration rate of Red Sea fishes might also be related to reduced dispersal barriers. We analyse the relationship between dispersal and establishment success and a pool of different traits for 101 Lessepsian fish species using generalized linear models. Our models did not reveal a significant relationship between the sea surface temperature in the native range of immigrant fishes and their dispersal or establishment success in the Mediterranean Sea. The minimum depth in which a species was observed was the only significant trait influencing dispersal success. This trait is likely related to the architecture of the Suez Canal since until the 1970s only species with a very low minimum depth were recorded to have entered the Mediterranean, but species occurring in deeper water started to immigrate after 1980 when the canal was deepened to 19.5 m. The establishment success of Lessepsian fishes was significantly linked to size and spawning type. Benthic spawners and species with adhesive eggs represent successful colonizers. Moreover, successful colonizers are species with a tendency to form schools, whereas solitary species are less successful. The results show that dispersal and establishment success of Lessepsian fish immigrants are influenced by different ecological traits., Introduction The construction of canals bridges natural barriers to the distribution of aquatic organisms. It allows aquatic organisms to spread to new geographical areas and often results in important changes […]

Published
2015
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44. Hidden in plain sight: species richness and habitat characterisation of sublittoral pebble beds

Author

Evans, Julian, Attrill, Martin J., Borg, Joseph A., Cotton, Peter A., and Schembri, Patrick J.

Subjects
Littoral zone -- Observations, Biological sciences
Abstract

Sublittoral pebble beds are generally considered to be impoverished, but the physical and biological characteristics of these habitats are poorly known. We characterised nineteen pebble bed sites in the Maltese Islands, providing detailed habitat data for Mediterranean sublittoral pebble beds for the first time. Nearly 40,000 individuals belonging to 332 taxa were recorded in all, with total richness estimated to reach 440 taxa; molluscs, crustaceans and polychaetes were the most diverse faunal groups. This high diversity is likely due to the structural complexity of the pebble beds, which had a vertically stratified arrangement of sediment particles that is likely maintained through periodic physical disturbance. Variation in the biotic assemblage from site to site was correlated with changes in the quantity of sand and silt, with the area of the pebble bed, with water depth, and with the thickness of the pebble layer. This indicates that pebble-bed macrofaunal assemblages are sensitive to changes in hydrodynamic conditions and sediment loading, to alterations to the stratification of the pebble beds, and to fragmentation of the habitat patches. These results contradict assertions that sublittoral pebble beds are impoverished, instead showing that they can be highly diverse habitats supporting biotic assemblages that respond to a complex set of environmental variables. The present findings enable better understanding of the ecological importance of pebble beds and of the potential impacts of anthropogenic disturbance, enabling more informed decisions for habitat conservation and management., Author(s): Julian Evans [sup.1] [sup.2] , Martin J. Attrill [sup.2] , Joseph A. Borg [sup.1] , Peter A. Cotton [sup.2] , Patrick J. Schembri [sup.1] Author Affiliations: (1) Department of [...]

Published
2018
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47. Identifying Priorities for the Protection of Deep Mediterranean Sea Ecosystems Through an Integrated Approach

Author

Fanelli, Emanuela, primary, Bianchelli, Silvia, additional, Foglini, Federica, additional, Canals, Miquel, additional, Castellan, Giorgio, additional, Güell-Bujons, Queralt, additional, Galil, Bella, additional, Goren, Menachem, additional, Evans, Julian, additional, Fabri, Marie-Claire, additional, Vaz, Sandrine, additional, Ciuffardi, Tiziana, additional, Schembri, Patrick J., additional, Angeletti, Lorenzo, additional, Taviani, Marco, additional, and Danovaro, Roberto, additional

Published
2021
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49. Identifying Priorities for the Protection of Deep Mediterranean Sea Ecosystems Through an Integrated Approach

Author

Fanelli, Emanuela, Bianchelli, Silvia, Foglini, Federica, Canals, Miquel, Castellan, Giorgio, Güell-bujons, Queralt, Galil, Bella, Goren, Menachem, Evans, Julian, Fabri, Marie-claire, Vaz, Sandrine, Ciuffardi, Tiziana, Schembri, Patrick J., Angeletti, Lorenzo, Taviani, Marco, Danovaro, Roberto, Fanelli, Emanuela, Bianchelli, Silvia, Foglini, Federica, Canals, Miquel, Castellan, Giorgio, Güell-bujons, Queralt, Galil, Bella, Goren, Menachem, Evans, Julian, Fabri, Marie-claire, Vaz, Sandrine, Ciuffardi, Tiziana, Schembri, Patrick J., Angeletti, Lorenzo, Taviani, Marco, and Danovaro, Roberto

Abstract

Benthic habitats of the deep Mediterranean Sea and the biodiversity they host are increasingly jeopardized by increasing human pressures, both direct and indirect, which encompass fisheries, chemical and acoustic pollution, littering, oil and gas exploration and production and marine infrastructures (i.e., cable and pipeline laying), and bioprospecting. To this, is added the pervasive and growing effects of human-induced perturbations of the climate system. International frameworks provide foundations for the protection of deep-sea ecosystems, but the lack of standardized criteria for the identification of areas deserving protection, insufficient legislative instruments and poor implementation hinder an efficient set up in practical terms. Here, we discuss the international legal frameworks and management measures in relation to the status of habitats and key species in the deep Mediterranean Basin. By comparing the results of a multi-criteria decision analysis (MCDA) and of expert evaluation (EE), we identify priority deep-sea areas for conservation and select five criteria for the designation of future protected areas in the deep Mediterranean Sea. Our results indicate that areas (1) with high ecological relevance (e.g., hosting endemic and locally endangered species and rare habitats),(2) ensuring shelf-slope connectivity (e.g., submarine canyons), and (3) subject to current and foreseeable intense anthropogenic impacts, should be prioritized for conservation. The results presented here provide an ecosystem-based conservation strategy for designating priority areas for protection in the deep Mediterranean Sea.

Published
2021
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50. Identifying Priorities for the Protection of Deep Mediterranean Sea Ecosystems Through an Integrated Approach

Author

European Commission, Generalitat de Catalunya, Agencia Estatal de Investigación (España), Fanelli, Emanuela, Bianchelli, Silvia, Foglini, Federica, Canals, Miquel, Castellan, Giorgio, Güell Bujons, Queralt, Galil, Bella S., Goren, Menachem, Evans, Julian, Fabri, Marie-Claire, Vaz, Sandrine, Ciuffardi, Tiziana, Schembri, Patrick J., Angeletti, Lorenzo, Taviani, Marco, Danovaro, Roberto, European Commission, Generalitat de Catalunya, Agencia Estatal de Investigación (España), Fanelli, Emanuela, Bianchelli, Silvia, Foglini, Federica, Canals, Miquel, Castellan, Giorgio, Güell Bujons, Queralt, Galil, Bella S., Goren, Menachem, Evans, Julian, Fabri, Marie-Claire, Vaz, Sandrine, Ciuffardi, Tiziana, Schembri, Patrick J., Angeletti, Lorenzo, Taviani, Marco, and Danovaro, Roberto

Abstract

Benthic habitats of the deep Mediterranean Sea and the biodiversity they host are increasingly jeopardized by increasing human pressures, both direct and indirect, which encompass fisheries, chemical and acoustic pollution, littering, oil and gas exploration and production and marine infrastructures (i.e., cable and pipeline laying), and bioprospecting. To this, is added the pervasive and growing effects of human-induced perturbations of the climate system. International frameworks provide foundations for the protection of deep-sea ecosystems, but the lack of standardized criteria for the identification of areas deserving protection, insufficient legislative instruments and poor implementation hinder an efficient set up in practical terms. Here, we discuss the international legal frameworks and management measures in relation to the status of habitats and key species in the deep Mediterranean Basin. By comparing the results of a multi-criteria decision analysis (MCDA) and of expert evaluation (EE), we identify priority deep-sea areas for conservation and select five criteria for the designation of future protected areas in the deep Mediterranean Sea. Our results indicate that areas (1) with high ecological relevance (e.g., hosting endemic and locally endangered species and rare habitats),(2) ensuring shelf-slope connectivity (e.g., submarine canyons), and (3) subject to current and foreseeable intense anthropogenic impacts, should be prioritized for conservation. The results presented here provide an ecosystem-based conservation strategy for designating priority areas for protection in the deep Mediterranean Sea

Published
2021

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