Article
Biology
Gloria Marino-Briceno, Wendell Medeiros-Leal, Ualerson Iran Peixoto, Mario Pinho, Regis Santos
Summary: This study analyzed scientific survey and fishery-dependent data over the past 30 years to understand the abundance, spatial distribution, and life history of the silver scabbardfish in the Azores. The species was found to prefer depths of 200-400 m, close to seamounts and islands, and sandy bottoms. The population was dominated by females and showed slow growth rates. The abundance of the species has been declining with a high exploitation rate in the region. Lack of management measures and its vulnerability could lead to the depletion of this species.
Article
Biodiversity Conservation
Jiaqi Wang, Chunxia Gao, Feng Wu, Xiaodi Gao, Jessica Chen, Xiaojie Dai, Siquan Tian, Yong Chen
Summary: In the Pacific Ocean, the bycatch and discard patterns of Chinese tuna longline fleets were analyzed using observer data. Other bony fishes and sharks were the most common bycatch species, and the bigeye tuna fleet had higher bycatch and discard rates compared to the albacore fleet. Bycatch of marine turtles and mammals mainly occurred in the Tropical Pacific, while seabird bycatch was more common in the Temperate Pacific.
BIOLOGICAL CONSERVATION
(2021)
Article
Fisheries
Paul E. Brewin, Thomas J. Farrugia, Chris Jenkins, Paul Brickle
Summary: This study highlights the significant impact of Patagonian toothfish bottom-set longline fishing on vulnerable marine ecosystems in areas beyond national jurisdiction. Strengthening regional high-seas fishing governance and monitoring procedures is recommended to protect marine ecosystems.
ICES JOURNAL OF MARINE SCIENCE
(2021)
Article
Fisheries
Ivone Figueiredo, Isabel Natario, Pascal Lorance, M. Lucilia Carvalho
Summary: This study modeled the spatio-temporal dynamics of black scabbardfish abundance in the northeast Atlantic using two linked Bayesian state-space models. Despite lacking data on spawner abundance and recruitment, reliable data from two studied areas were used to conveniently represent the dynamics of black scabbardfish. This approach is crucial for stock assessment and fisheries monitoring of black scabbardfish.
CANADIAN JOURNAL OF FISHERIES AND AQUATIC SCIENCES
(2022)
Article
Fisheries
Ivone Figueiredo, Isabel Natario, Pascal Lorance, M. Lucilia Carvalho
Summary: The spatio-temporal dynamics of black scabbardfish abundance in the northeast Atlantic were modeled using two linked Bayesian state-space models. Despite the lack of data on spawning and recruitment, the hierarchical nature of state-space models allowed for a convenient representation of black scabbardfish dynamics using reliable data from two key fishing grounds. This approach is likely to remain the only option for assessing the stock and monitoring the fisheries of black scabbardfish.
CANADIAN JOURNAL OF FISHERIES AND AQUATIC SCIENCES
(2022)
Article
Oceanography
Diya Das, Jose Manuel Gonzalez-Irusta, Telmo Morato, Laurence Fauconnet, Diana Catarino, Pedro Afonso, Claudia Viegas, Luis Rodrigues, Gui Menezes, Alexandra Rosa, Mario Rui Rilho Pinho, Helder Marques da Silva, Eva Giacomello
Summary: Elasmobranchs inhabiting depths beyond 200 m are at high risk of overexploitation, but little information is available for management strategies in the deep sea. This study used over 20 years of data to model the spatial distribution of 15 species of deep-sea elasmobranchs in the Azores Archipelago, and proposed using depth, area, and gear-based tactics to reduce unwanted catches.
DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS
(2022)
Article
Environmental Sciences
Emily M. Duncan, Nina Vieira, Jose Manuel Gonzalez-Irusta, Carlos Dominguez-Carrio, Telmo Morato, Marina Carreiro-Silva, Joachim Jakobsen, Kirsten Jakobsen, Filipe Porteiro, Nina Schlapfer, Laura Herrera, Manuela Ramos, Yasmina Rodriguez, Joao M. Pereira, Laurence Fauconnet, Luis Rodrigues, Hugo Parra, Christopher K. Pham
Summary: Abandoned, lost, or discarded fishing gear (ALDFG) is a significant source of global plastic pollution and has impacts on marine ecosystems. This study analyzed 15 years of seafloor video footage in the Azores region to estimate the distribution and abundance of ALDFG. Potential hotspots of ALDFG were identified, and entanglements with benthic organisms were observed. The use of predictive distribution modeling for ALDFG can support ecosystem-based management and identify high-risk areas. Understanding the sources, amounts, fates, and impacts of ALDFG is crucial for addressing the global issue of plastic pollution and the effects of fishing on marine ecosystems.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Fisheries
Maoying Qiao, Dadong Wang, Geoffrey N. Tuck, L. Richard Little, Andre E. Punt, Mike Gerner
Summary: Electronic monitoring systems are functional and cost-effective tools for marine resource conservation, but face challenges with storage and long review times. An automated catch event detection framework based on deep learning techniques has been proposed to address these challenges, significantly reducing storage space and review time.
ICES JOURNAL OF MARINE SCIENCE
(2021)
Article
Environmental Sciences
Massimiliano Bottaro, Mauro Sinopoli, Iacopo Bertocci, Maria Cristina Follesa, Alessandro Cau, Ivan Consalvo, Faustino Scarcelli, Emilio Sperone, Marino Vacchi, Letizia Marsili, Guia Consales, Roberto Danovaro
Summary: Deep-sea Chondrichthyes, including the kitefin shark Dalatias licha, are highly vulnerable to human impacts due to their late maturation, extreme longevity, low fecundity, and slow growth rates. However, assessing the impact of deep-sea fisheries on these species is challenging due to the lack of fishery data sets and species-specific life history information. This study presents data on the kitefin shark collected as bycatch from deep-water fisheries in the Ligurian Sea, highlighting the rarity, complex ecology, and threats this species faces, emphasizing the need for monitoring and conservation efforts.
FRONTIERS IN MARINE SCIENCE
(2023)
Article
Fisheries
Charley Gros, Jan Jansen, Candice Untiedt, Tabitha R. R. Pearman, Rachel Downey, David K. A. Barnes, David A. Bowden, Dirk C. Welsford, Nicole A. Hill
Summary: A multi-criteria approach to vulnerable marine ecosystem (VME) identification is proposed, considering the vulnerabilities of different indicator taxa to fishing disturbance. Using annotated imagery data, an index of cumulative abundance and overall richness was computed to quantify assemblage-level vulnerability and characterize different assemblages. This method aims to enhance VME identification and provide context to bycatch events.
ICES JOURNAL OF MARINE SCIENCE
(2023)
Article
Agriculture, Dairy & Animal Science
Jones Santander-Neto, Getulio Rincon, Bruno Juca-Queiroz, Vanessa Paes da Cruz, Rosangela Lessa
Summary: This study reports 23 new records of Hexanchus griseus in the Tropical Southwestern Atlantic, particularly off the northeastern Brazilian coast. These new records are significant for the population status assessment and distribution mapping conducted by the International Union for Conservation of Nature (IUCN).
Article
Fisheries
Josep Lloret, Alba Serrat, Gudmundur Thordarson, Kristin Helle, Angelique Jadaud, Isabel Bruno, Francesc Ordines, Paolo Sartor, Pierluigi Carbonara, Hans-Joachim Raetz
Summary: Many deep-water fish populations, especially K-selected species, are at risk of serious depletion due to overexploitation and sea warming, as their condition worsens, usually accompanied by a decline in abundance. Management bodies need to consider the health status of these populations, particularly in southern European waters, before implementing their decisions.
JOURNAL OF FISH BIOLOGY
(2021)
Article
Environmental Studies
Ahmet Raif Eryasar, Ismet Saygu
Summary: This study explores the recreational bluefish angling in the Turkish coasts of the Mediterranean and adjacent seas using YouTube data, highlighting conservation priorities.
Article
Biodiversity Conservation
O. A. Belonovich, S. V. Agafonov, A. A. Matveev, A. A. Kalugin
Summary: The study focused on killer whale depredation in the northwestern Pacific Ocean, specifically in the western Bering Sea and the Sea of Okhotsk. Results showed that killer whales primarily targeted Greenland turbot during depredation, impacting the local fisheries economically and posing threats to the killer whale population and associated ecosystems.
Article
Zoology
A. N. D. R. E. A. BELLODI, A. N. N. A. BENVENUTO, R. I. C. C. A. R. D. O. MELIS, A. N. T. O. N. E. L. L. O. MULAS, M. O. N. I. C. A. BARONE, C. L. A. U. D. I. O. BARRIA, A. L. E. S. S. I. A. CARIANI, L. A. U. R. A. CARUGATI, A. R. C. H. O. N. T. I. A. CHATZISPYROU, M. O. N. I. Q. U. E. DESROCHERS, A. L. I. C. E. FERRARI, J. A. V. I. E. R. GUALLART, F. A. R. I. D. HEMIDA, C. E. C. I. L. I. A. MANCUSI, C. A. R. L. O. T. T. A. MAZZOLDI, S. E. R. G. I. O. RAMIREZ-AMARO, J. A. V. I. E. R. REY, D. A. N. I. L. O. SCANNELLA, F. A. B. R. I. Z. I. O. SERENA, F. A. U. S. T. O. TINTI, A. D. R. I. A. N. A. VELLA, M. A. R. I. A. C. R. I. S. T. I. N. A. FOLLESA, R. I. T. A. CANNAS
Summary: The current shift of fishery efforts towards the deep sea raises concern about the vulnerability of poorly studied deep-water sharks. This study focuses on the taxonomy of genus Centrophorus in the Mediterranean Basin and clarifies the presence of a unique species, suggesting a need for revision of the genus's systematics in the area.
ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY
(2022)
Letter
Ecology
Craig R. Smith, Verena Tunnicliffe, Ana Colaco, Jeffrey C. Drazen, Sabine Gollner, Lisa A. Levin, Nelia C. Mestre, Anna Metaxas, Tina N. Molodtsova, Telmo Morato, Andrew K. Sweetman, Travis Washburn, Diva J. Amon
TRENDS IN ECOLOGY & EVOLUTION
(2021)
Correction
Environmental Sciences
Angela Mosquera Gimenez, Pedro Velez-Belchi, Jesus Rivera, Safo Pineiro, Noelia Fajar, Veronica Cainzos, Rosa Balbin, Juan Antonio Jimenez Aparicio, Carlos Dominguez-Carrio, Jordi Blasco-Ferre, Marina Carreiro-Silva, Jordi Blasco-Ferre, Telmo Morato, Patricia Puerta, Covadonga Orejas
FRONTIERS IN MARINE SCIENCE
(2021)
Article
Oceanography
Diya Das, Jose Manuel Gonzalez-Irusta, Telmo Morato, Laurence Fauconnet, Diana Catarino, Pedro Afonso, Claudia Viegas, Luis Rodrigues, Gui Menezes, Alexandra Rosa, Mario Rui Rilho Pinho, Helder Marques da Silva, Eva Giacomello
Summary: Elasmobranchs inhabiting depths beyond 200 m are at high risk of overexploitation, but little information is available for management strategies in the deep sea. This study used over 20 years of data to model the spatial distribution of 15 species of deep-sea elasmobranchs in the Azores Archipelago, and proposed using depth, area, and gear-based tactics to reduce unwanted catches.
DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS
(2022)
Article
Veterinary Sciences
Joao Correia, Gheylen Dagfhous, David Silva, Goncalo Graca, Ivan Beltran, Joao Reis, Jose P. Marques, Luis Silva, Rui Guedes, Telmo Morato
Summary: This paper covers 4 years of live fish transports and proposes several measures to reduce mortality rate, including pre-buffering the water, pre-quenching ammonia, maintaining dissolved oxygen saturation, etc.
Article
Ecology
Lorenzo Rovelli, Marina Carreiro-Silva, Karl M. Attard, Maria Rakka, Carlos Dominguez-Carrio, Meri Bilan, Sabena Blackbird, Telmo Morato, George A. Wolff, Ronnie N. Glud
Summary: This study provides the first measurements of oxygen uptake rates within coral gardens at the Condor seamount using a non-invasive technique. The results show that the oxygen uptake rates in the coral gardens are higher than surrounding areas, but the octocorals only contribute a small portion of this uptake and deposition of particulate organic matter is not the main source.
MARINE ECOLOGY PROGRESS SERIES
(2022)
Article
Environmental Studies
Diva J. Amon, Sabine Gollner, Telmo Morato, Craig R. Smith, Chong Chen, Sabine Christiansen, Bronwen Currie, Jeffrey C. Drazen, Tomohiko Fukushima, Matthew Gianni, Kristina M. Gjerde, Andrew J. Gooday, Georgina Guillen Grillo, Matthias Haeckel, Thembile Joyini, Se-Jong Ju, Lisa A. Levin, Anna Metaxas, Kamila Mianowicz, Tina N. Molodtsova, Ingo Narberhaus, Beth N. Orcutt, Alison Swaddling, Joshua Tuhumwire, Patricio Uruena Palacio, Michelle Walker, Phil Weaver, Xue-Wei Xu, Clement Yow Mulalap, Peter E. T. Edwards, Chris Pickens
Summary: A comprehensive understanding of the deep-sea environment and mining impacts is necessary to assess compliance with international regulations. However, there is a lack of available scientific knowledge to support decision-making. Further information on deep-sea environmental baselines and mining impacts is critical for this emerging industry. Closing the scientific gaps related to deep-seabed mining is a monumental task that requires clear direction, substantial resources, and robust coordination and collaboration.
Article
Oceanography
Patricia Puerta, Angela Mosquera-Gimenez, Olga Renones, Carlos Dominguez-Carrio, Jose Luis Rueda, Javier Urra, Marina Carreiro-Silva, Jordi Blasco-Ferre, Yaiza Santana, Cristina Gutierrez-Zarate, Pedro Velez-Belchi, Jesus Rivera, Telmo Morato, Covadonga Orejas
Summary: The presence of different water masses in deep-sea benthic ecosystems can influence species distribution and community structure. This study investigates the influence of the Mediterranean Outflow Water (MOW) on deep-sea megabenthic assemblages along the western branch of the MOW in the North Atlantic. The results suggest that substrate type and water masses both play a role in shaping the structure and diversity of the assemblages, with the MOW potentially enhancing biodiversity in some deep-sea megabenthic communities.
DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS
(2022)
Article
Environmental Sciences
Telmo Morato, Manuela Juliano, Christopher K. Pham, Marina Carreiro-Silva, Ines Martins, Ana Colaco
Summary: Deep-sea mining of seafloor massive sulphides (SMS) is considered a significant source of mineral resources. This study used modeling to simulate plume dispersion and assess potential impacts. The findings highlight the uncertainty and potential risks associated with deep-sea mining.
FRONTIERS IN MARINE SCIENCE
(2022)
Article
Fisheries
Maria Pachiadaki, Felix Janssen, Marina Carreiro-Silva, Telmo Morato, Gilberto P. Carreira, Helena C. Frazao, Patrick Heimbach, Isabel Iglesias, Frank E. Muller-Karger, Miguel M. Santos, Leslie M. Smith, Michael F. Vardaro, Fleur Visser, Joanna J. Waniek, Ann-Christine Zinkann, Ana Colaco
ICES JOURNAL OF MARINE SCIENCE
(2023)
Review
Fisheries
Laurence Fauconnet, Diana Catarino, Diya Das, Eva Giacomello, Jose Manuel Gonzalez-Irusta, Pedro Afonso, Telmo Morato
Summary: This article reviews the impact of hook-and-line fisheries on deep-water shark bycatch in the Azores and discusses measures to reduce such bycatch. Challenges to avoiding bycatch include the diversity and lack of data on deep-water shark species. However, depth-based, area-based, and gear-based measures show potential for mitigating bycatch effects.
ICES JOURNAL OF MARINE SCIENCE
(2023)
Article
Environmental Sciences
Marina Carreiro-Silva, Ines Martins, Virginie Riou, Joana Raimundo, Miguel Caetano, Raul Bettencourt, Maria Rakka, Teresa Cerqueira, Antonio Godinho, Telmo Morato, Ana Colaco
Summary: The study demonstrates the potential mechanical and toxicological effects of suspended particles generated from deep-sea mining activities on cold-water corals. The results show tissue damage, copper bioaccumulation, and mortality in corals exposed to polymetallic sulphide particles. The mechanical effect of quartz particles may induce cellular stress and immune responses in corals. Marine protected areas or non-mining areas could be necessary to safeguard deep-sea coral communities.
FRONTIERS IN MARINE SCIENCE
(2022)
Review
Chemistry, Medicinal
Ligia Barcellos, Christopher K. Pham, Gui Menezes, Raul Bettencourt, Nieta Rocha, Miguel Carvalho, Helena P. Felgueiras
Summary: The invasive species Rugulopteryx okamurae, a brown macroalgae, has been found in European waters and the Strait of Gibraltar. Its proliferation poses significant threats to local ecosystems and results in a socioeconomic burden due to the accumulation of biomass as waste. Researchers have explored using the algae biomass in value-added products or technologies to minimize its impact. This review highlights the potential uses of R. okamurae, such as biogas production, composting, bioplastic, and pharmaceutical purposes.
Review
Oceanography
Christian Mohn, Jorgen L. S. Hansen, Marina Carreiro-Silva, Stuart A. Cunningham, Evert de Froe, Carlos Dominguez-Carrio, Stefan Gary, Ronnie N. Glud, Cordula Goke, Clare Johnson, Telmo Morato, Eva Friis Moller, Lorenzo Rovelli, Kirstin Schulzi, Karline Soetaert, Anna van der Kaaden, Dick van Oevelen
Summary: Cold-water corals (CWCs) thrive in areas with complex and rough topography, but little is known about how basin-scale changes in the ocean climate affect their growth. In this study, high-resolution hydrodynamic models were used to investigate the impact of variations in basin-scale currents on local hydrodynamics and CWC communities. It was found that the variability of near-bottom currents and water mass properties at different AMOC states strongly influenced the CWC distribution. The kinetic energy dissipation rate was proposed as a mechanistic descriptor of CWC presence, providing insight into the hydrodynamics driving organic matter supply to these communities.
PROGRESS IN OCEANOGRAPHY
(2023)
Article
Environmental Sciences
J. Murray Roberts, Colin W. Devey, Arne Biastoch, Marina Carreiro-Silva, Tina Dohna, Boris Dorschel, Vikki Gunn, Veerle A. I. Huvenne, David Johnson, Didier Jollivet, Ellen Kenchington, Kate Larkin, Marjolaine Matabos, Telmo Morato, Malik S. Naumann, Covadonga Orejas, J. Angel A. Perez, Stefan A. Ragnarsson, Albertus J. Smit, Andrew Sweetman, Sebastian Unger, Benjamin Boteler, Lea-Anne Henry
Summary: Ocean ecosystems are facing climate and biodiversity crises, and there is a lack of unified approach to assess their state and inform sustainable policies. This blueprint emphasizes research capabilities and cross-sectoral partnerships, and highlights priorities including integrating observation, modeling, and genomic approaches, improving ecosystem mapping, identifying potential tipping points, understanding compound impacts of multiple stressors, and enhancing spatial and temporal management and protection. International cooperation and funding are crucial to support science-led policies that conserve ocean ecosystems and transcend jurisdictional borders.
COMMUNICATIONS EARTH & ENVIRONMENT
(2023)