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9 June 2026
World Oceans Day—“Reimagine”, 8 June 2026
World Ocean Day, celebrated annually on 8 June, highlights the importance of protecting marine ecosystems and promoting sustainable ocean management. Under the theme “Reimagine”, the occasion raises awareness of critical environmental challenges, including climate change, pollution, and biodiversity loss. MDPI is proud to support this global effort by showcasing research that advances marine conservation, sustainable resource management, and a deeper understanding of ocean ecosystems.

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Environmental & Earth Sciences |
Biology & Life Sciences |

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MDPI World Ocean Day 2026 Webinar |
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JMSE Webinar| Celebrating World Ocean Day 2026 |

“Environmental Constraints and Resilience of Organisms in Abyssal Plain, Whale Fall, Cold Seep and Hydrothermal Vent Environments in the Deep Sea”
by Esha Nauman and Richard A. Lutz
Oceans 2026, 7(1), 10; https://doi.org/10.3390/oceans7010010
“Reproductive Dynamics and Hermaphroditism in the Black-Footed Limpet (Patella depressa Pennant, 1777) on an Intertidal Rocky Shore on the Algarve Coast (Southern Portugal)”
by Paula Moura, Paulo Vasconcelos, Fábio Pereira, André N. Carvalho and Miguel B. Gaspar
Hydrobiology 2025, 4(1), 4; https://doi.org/10.3390/hydrobiology4010004
“The Portofino Promontory: 200 Years of History of Marine Biology”
by Giorgio Bavestrello, Federico Betti, Carlo Nike Bianchi, Valentina Cappanera, Mariachiara Chiantore, Nicola Corradi, Monica Montefalcone, Mauro Giorgio Mariotti, Carla Morri, Paolo Povero, Giulio Relini, Stefano Schiaparelli and Marzia Bo
Diversity 2024, 16(10), 629; https://doi.org/10.3390/d16100629
“Shallow Hard-Bottom Benthic Assemblages of South Bay (Antarctic Peninsula): An Update 40 Years Later”
by Sol Morales, César A. Cárdenas, Diego Bravo-Gómez and Cristian Lagger
Diversity 2024, 16(3), 162; https://doi.org/10.3390/d16030162
“The Changing Biogeography of the Ligurian Sea: Seawater Warming and Further Records of Southern Species”
by Annalisa Azzola, Carlo Nike Bianchi, Lorenzo Merotto, Alessandro Nota, Francesco Tiralongo, Carla Morri and Alice Oprandi
Diversity 2024, 16(3), 159; https://doi.org/10.3390/d16030159
“Marine Crabs of Guinea-Bissau, with Emphasis on the Deep Fauna, Supported by an Integrative Taxonomy”
by Isabel Muñoz, José Enrique García-Raso, Pere Abelló and Jose A. Cuesta
Diversity 2024, 16(2), 93; https://doi.org/10.3390/d16020093
Special Issues:
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“Ecology and Biogeography of Marine Benthos—2nd Edition” |
“Marine Food Webs: Integrating Traditional and Emerging Approaches to Understand Ecosystem Dynamics” |
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“Marine Vertebrates and Invertebrates: Biology and Ecology in a Changing Environment” |
“Coastal Benthic Biodiversity: Patterns, Processes, Pressures and Restoration” |

“Molecular Detection and Characterization of Chelonid Alphaherpesvirus 5 (Scutavirus chelonidalpha5) Associated with Fibropapillomatosis in Sea Turtles Rescued in Santa Marta, Colombia: Implications for Disease Surveillance and Marine Turtle Conservation”
by Angel Oviedo, Edgar Zambrano, Jean Posso-Avendaño, Daniel B. Ramírez-Osorio, Jose A. Usme-Ciro and Lyda R. Castro
Conservation 2026, 6(2), 45; https://doi.org/10.3390/conservation6020045
“Microplastic Exposure for Pinnipeds (Pinnipedia): A Rapid Review”
by Anastasia Vainberg and Evgeny Abakumov
Ecologies 2025, 6(2), 26; https://doi.org/10.3390/ecologies6020026
“Mediterranean Marine Mammals: Possible Future Trends and Threats Due to Mercury Contamination and Interaction with Other Environmental Stressors”
by Roberto Bargagli and Emilia Rota
Animals 2024, 14(16), 2386; https://doi.org/10.3390/ani14162386
“Novel Microsatellite Tags Hold Promise for Illuminating the Lost Years in Four Sea Turtle Species”
by Tony Candela, Jeanette Wyneken, Peter Leijen, Philippe Gaspar, Frederic Vandeperre, Terry Norton, Walter Mustin, Julien Temple-Boyer, Emily Turla, Nicole Barbour et al.
Animals 2024, 14(6), 903; https://doi.org/10.3390/ani14060903
“The Devil Firefish Pterois miles (Bennett, 1828): Life History Traits of a Potential Fishing Resource in Rhodes (Eastern Mediterranean)”
by Gerasimos Kondylatos, Alexandros Theocharis, Manolis Mandalakis, Maria Avgoustinaki, Teodora Karagyaurova, Zoi Koulocheri, Sofia Vardali and Dimitris Klaoudatos
Hydrobiology 2024, 3(1), 31-50; https://doi.org/10.3390/hydrobiology3010003
Special Issues:
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“Marine Mammals in a Changing World, 3rd Edition” |
“Behavior, Cognition, and Welfare of Marine Mammals” |
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“Integrated Strategies for Shark Conservation: Bridging Fisheries Science, Ecology, and Adaptive Management” |
“Fish Biodiversity Conservation” |
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“Model Prediction of Macroplastic Distributions in European Marine Basins: Comparison with Beach and Floating Macroplastic Observations and Estimation of Model Accuracy”
by Elisa Garcia-Gorriz, Diego Macias-Moy, Daniel González-Fernández, Antonella Arcangeli, Nuno Ferreira-Cordeiro, Olaf Duteil, Svetla Miladinova, Ove Pärn, Luis Francisco Ruiz-Orejón, Eugenia Pasanisi et al.
Oceans 2026, 7(2), 26; https://doi.org/10.3390/oceans7020026
“Antimicrobial and Antibiofilm Activities of Pseudoalteromonas Bacterial Strains Isolated from Marine Environment Against Potential Fish Pathogen Tenacibaculum discolor Strain FMCC B487”
by Eirini Schoina, Christine Delbarre-Ladrat, Laetitia Kolypczuk, Françoise Leroi, Delphine Passerini and George-John Nychas
Aquac. J. 2026, 6(1), 5; https://doi.org/10.3390/aquacj6010005
“Bio-Based Sorbents for Marine Oil Spill Response: Advances in Modification, Circularity, and Waste Valorization”
by Célia Karina Maia Cardoso, Ícaro Thiago Andrade Moreira, Antônio Fernando de Souza Queiroz, Olívia Maria Cordeiro de Oliveira and Ana Katerine de Carvalho Lima Lobato
Resources 2025, 14(9), 140; https://doi.org/10.3390/resources14090140
“The Toxic Effects of Environmental Domoic Acid Exposure on Humans and Marine Wildlife”
by Ami E. Krasner, Margaret E. Martinez, Cara L. Field and Spencer E. Fire
Mar. Drugs 2025, 23(2), 61; https://doi.org/10.3390/md23020061
“Challenges and Perspectives in Proving Harm of Anticoagulants to Marine Predators and Scavengers”
by Robert Boesch
Conservation 2024, 4(4), 762-777; https://doi.org/10.3390/conservation4040045
“The Abundance of Microplastics in the World’s Oceans: A Systematic Review”
by Judith Mutuku, Maria Yanotti, Mark Tocock and Darla Hatton MacDonald
Oceans 2024, 5(3), 398-428; https://doi.org/10.3390/oceans5030024
“Widespread Coral Bleaching and Mass Mortality of Reef-Building Corals in Southern Mexican Pacific Reefs Due to 2023 El Niño Warming”
by Andrés López-Pérez, Rebeca Granja-Fernández, Eduardo Ramírez-Chávez, Omar Valencia-Méndez, Fabián A. Rodríguez-Zaragoza, Tania González-Mendoza and Armando Martínez-Castro
Oceans 2024, 5(2), 196-209; https://doi.org/10.3390/oceans5020012
“The Occurrence of Microplastics in Donax trunculus (Mollusca: Bivalvia) Collected along the Tuscany Coast (Mediterranean Sea)”
by Chiara Malloggi, Luca Nalbone, Silvia Bartalena, Margherita Guidi, Carlo Corradini, Antonino Foti, Pietro G. Gucciardi, Filippo Giarratana, Francesca Susini and Andrea Armani
Animals 2024, 14(4), 618; https://doi.org/10.3390/ani14040618
“Mercury Biogeochemistry and Biomagnification in the Mediterranean Sea: Current Knowledge and Future Prospects in the Context of Climate Change”
by Roberto Bargagli and Emilia Rota
Coasts 2024, 4(1), 89-107; https://doi.org/10.3390/coasts4010006
“The Heatwave of Summer 2022 in the North-Western Mediterranean Sea: Some Species Were Winners”
by Charles-François Boudouresque, Patrick Astruch, Serena André, Bruno Belloni, Aurélie Blanfuné, Éric Charbonnel, Adrien Cheminée, Jean-Michel Cottalorda, Renaud Dupuy de la Grandrive, Michel Marengo et al.
Water 2024, 16(2), 219; https://doi.org/10.3390/w16020219
Special Issues:
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“A ‘One-Health Focus’ on Natural Marine Toxins” |
“Top Predators Under Climate Extremes: Assessing Habitat Dynamics in Marginal Seas” |
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“Microplastics in the Marine Environment: Distribution and Effects” |
“Mediterranean Biodiversity Hotspots: Patterns, Trends, and Conservation Challenges” |
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“Socioeconomic and Environmental Sustainability of the Giant Freshwater Prawn (Macrobrachium spp.) Value Chain Within the Mangroves Marine Park, Democratic Republic of the Congo”
by Francine Luhusu Kutshukina, Louis Pasteur Bamenga Bopoko, Sage Weremubi Mwisha, Hippolyte Ditona Tsumbu, Papy Nsevolo Miankeba, Pyrus Flavien Essouman Ebouel, Victorine Mbadu Zebe, Baudouin Michel and Jean-Claude Micha
Conservation 2025, 5(4), 82; https://doi.org/10.3390/conservation5040082
“Assessing Coastal Flood Risk Under Climate Change with Public Data and Simple Tools: The Geomorphological Coastal Flood Index Applied to the Western Mediterranean”
by César Mosso, Manuel Viñes, Carlos Astudillo, Vicente Gracia, Daniel González, Felícitas Calderón-Vega, Joan Pau Sierra and Agustín Sánchez-Arcilla
Coasts 2025, 5(4), 42; https://doi.org/10.3390/coasts5040042
“Vegetation Index Comparison for Estimating Above-Ground Carbon (Cag) in Mangrove Forests Using Sentinel-2 Imagery: Case Study from West Bali, Indonesia”
by I Gede Agus Novanda, Martiwi Diah Setiawati, I Putu Sugiana, I Gusti Ayu Istri Pradnyandari Dewi, Anak Agung Eka Andiani, Made Wirakumara Kamasan, Putu Echa Priyaning Aryunisha and Abd. Rahman As-syakur
Coasts 2025, 5(3), 33; https://doi.org/10.3390/coasts5030033
“Management Strategies for Climate Change Mitigation and Adaptation in Coastal Regions: A Systematic Literature Review”
by Marcos Filho Lima Bastos, Jordana Marques Kneipp, Clandia Maffini Gomes, Ana Paula Perlin and Roberto Schoproni Bichueti
Coasts 2025, 5(1), 5; https://doi.org/10.3390/coasts5010005
“COAST-PROSIM: A Model for Predicting Shoreline Evolution and Assessing the Impacts of Coastal Defence Structures”
by Pietro Scala, Giorgio Manno, Loredana Claudia Cozar and Giuseppe Ciraolo
Water 2025, 17(2), 269; https://doi.org/10.3390/w17020269
“Simulation of Seawater Intrusion and Upconing Processes in Mediterranean Aquifer in Response to Climate Change (Plana de Castellón, Spain)”
by Barbara del R. Almazan-Benitéz, Maria V. Esteller-Alberich, Arianna Renau-Pruñonosa and José L. Expósito-Castillo
Hydrology 2024, 11(12), 205; https://doi.org/10.3390/hydrology11120205
“Biofloc Formation Strategy Effects on Halophyte Integration in IMTA with Marine Shrimp and Tilapia”
by Mayra da Silva Gonçalves, Andrezza Carvalho, Jorge Santos, Mariana Holanda,Luís Henrique Poersch and César Serra Bonifácio Costa
Aquac. J. 2024, 4(4), 217-231; https://doi.org/10.3390/aquacj4040016
“Impact of Digital Development and Technology Innovation on the Marine Fishery Economy Quality”
by Yiying Jiang, Lei Huang, Yang Liu and Shuang Wang
Fishes 2024, 9(7), 266; https://doi.org/10.3390/fishes9070266
“Dynamic Modeling of Coastal Compound Flooding Hazards Due to Tides, Extratropical Storms, Waves, and Sea-Level Rise: A Case Study in the Salish Sea, Washington (USA)”
by Kees Nederhoff, Sean C. Crosby, Nate R. Van Arendonk, Eric E. Grossman, Babak Tehranirad, Tim Leijnse, Wouter Klessens and Patrick L. Barnard
Water 2024, 16(2), 346; https://doi.org/10.3390/w16020346
Special Issues:
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“Ocean Observing Systems: Latest Developments and Challenges” |
“Coastal Sediment Dynamics: Monitoring and Modeling for Resilient Shoreline Management” |
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“Drift Modeling at Sea: Applications to Marine Pollution, Harmful Algal Blooms, Sargassum, and Search and Rescue Operations” |
“Trade-Offs in Coastal Conservation: Management, Tourism, and Environment” |
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