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Learning from the history of red shrimp fisheries in the Mediterranean to improve sustainability of deep-water bottom trawling ICES J. Mar. Sci. (IF 3.3) Pub Date : 2024-03-15 Fabio Fiorentino, Germana Garofalo, Gioacchino Bono, Sergio Vitale
As deep-water red shrimp (DWRS) trawl fisheries gain importance in the Mediterranean, their impact on fragile deep-sea ecosystems requires careful management. We reviewed the historical development of DWRS fisheries in the Mediterranean to propose a harvest strategy that would enhance fishery sustainability, while preserving habitat and community integrity. We considered two representative typologies
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Facilitating an ecosystem approach through open data and information packaging ICES J. Mar. Sci. (IF 3.3) Pub Date : 2024-03-13 Daniel E Duplisea, Marie-Julie Roux, Stéphane Plourde, Peter S Galbraith, Marjolaine Blais, Hugues P Benoît, Bernard Sainte-Marie, Diane Lavoie, Hugo Bourdages
Open data that can be easily incorporated into analyses are essential for developing ecosystem approaches to marine ecological management: a common goal in fisheries policy in many countries. Although it is not always clear what constitutes an ecosystem approach, it always involves scientists working with a large variety of data and information, including data from physical and oceanographic sampling
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Decadal (2010–2019) variability in the marine ecosystems of the North Atlantic ICES J. Mar. Sci. (IF 3.3) Pub Date : 2024-03-08 César González-Pola, Katherine E Mills, Agnieszka Beszczynska-Möller, Eileen Bresnan, Silvana N R Birchenough
The “Symposium on Decadal Variability of the North Atlantic and its Marine Ecosystems: 2010–2019” took place in Bergen, Norway, from 20 to 22 May 2022. This event, hosted by the Institute of Marine Research, was jointly sponsored by ICES and NAFO and constitutes the fourth in a series of these symposia that started in 1991. The first symposium’s aim was to review the hydrobiological variability in
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Hydro-acoustic classification and abundance estimation of mesopelagic fish in deep scattering layers (DSL) of the Indian Ocean ICES J. Mar. Sci. (IF 3.3) Pub Date : 2024-03-08 Osvaldo Ernesto Chacate, Janet Claire Coetzee, Bjørn Erik Axelsen
Deep scattering layers (DSL) in oligotrophic systems are typically comprised of a variety of coexisting organisms, including fish, zooplankton, jellyfish, and squid, and hence there is uncertainty about the proportion of the acoustic backscatter in these layers that can be attributed to mesopelagic fish. Here, acoustic targets were classified using a multi-frequency acoustic classification algorithm
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Ocean warming shapes embryonic developmental prospects of the next generation in Atlantic cod ICES J. Mar. Sci. (IF 3.3) Pub Date : 2024-03-08 Kaja H Skjærven, Maud Alix, Lene Kleppe, Jorge M O Fernandes, Paul Whatmore, Artem Nedoluzhko, Eva Andersson, Olav Sigurd Kjesbu
Although early embryonic protein production relies exclusively on maternal molecules such as messenger RNAs (mRNAs) incorporated into ovarian follicles, knowledge about any thermally induced, intergenerational effects is scarce in ectotherms. Here, we investigated how elevated temperatures (9°–12°C vs. 6°C) during oogenesis influenced the next generation by targeting maternal mRNAs in Atlantic cod
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Variable forage fish biomass and phenology influence marine predator diet, foraging behavior, and species interactions in coastal Newfoundland, Canada ICES J. Mar. Sci. (IF 3.3) Pub Date : 2024-03-07 Gail K Davoren
Forage fish species provide essential linkages for energy transfer within pelagic marine food webs. Capelin (Mallotus villosus), the focal forage fish in coastal Newfoundland, Canada, suffered a stock collapse in 1991 and has not recovered. Despite this collapse, capelin continue to provide locally abundant prey aggregations. Here, I synthesize the lessons learned from a long-term capelin-predator
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Seasonal shift in energy allocation from somatic growth to lipid storage and the link between pre-winter condition and overwintering potential in juvenile Pacific cod ICES J. Mar. Sci. (IF 3.3) Pub Date : 2024-03-07 Alisa A Abookire, Louise A Copeman, Michael A Litzow, Benjamin J Laurel
Warming temperatures in the Gulf of Alaska have been linked to recruitment failure in Pacific cod (Gadus macrocephalus), but the mechanisms and timing of mortality events for juveniles are unclear. To date, limited research has focused on overwintering success, and the knowledge of juvenile ecology and physiology is based entirely on summer observations. Here, we investigate the changes in body condition
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Limited interspecific gene flow in the evolutionary history of the icefish genus Chionodraco ICES J. Mar. Sci. (IF 3.3) Pub Date : 2024-03-01 Luca Schiavon, Santiago G Ceballos, Michael Matschiner, Emiliano Trucchi, Mario La Mesa, Emilio Riginella, Magnus Lucassen, Felix C Mark, Kevin Bilyk, Rafaella Franch, Andreas Walberg, Elisa Boscari, Lorenzo Zane, Chiara Papetti
Hybridization and introgression are recognized as mechanisms promoting genetic variability during evolutionary radiations. We examined the impact of introgression in the process of speciation, focusing on the Antarctic icefish genus Chionodraco. Our analyses confirmed that the three Chionodraco species (Chionodraco hamatus, Chionodraco myersi, and Chionodraco rastrospinosus) were genetically distinctive
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Biennial patterns in Alaskan sockeye salmon ocean growth are associated with pink salmon abundance in the Gulf of Alaska and the Bering Sea ICES J. Mar. Sci. (IF 3.3) Pub Date : 2024-02-29 Peter S Rand, Gregory T Ruggerone
In response to ocean heating and hatchery production, pink salmon (Oncorhynchus gorbuscha) returning from the North Pacific Ocean steadily increased after 1975, leading to concerns about their influence on food webs and competition with other species. Using measurements of distance between scale annuli of 24 584 individual sockeye salmon (O. nerka), we examined growth during their 2 or 3 years at sea
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Ecological indicators to monitor offshore wind interactions with fisheries resources ICES J. Mar. Sci. (IF 3.3) Pub Date : 2024-02-28 Elizabeth T Methratta
Offshore wind development (OWD) will generate much needed renewable energy, but it will also introduce several stressors to the marine ecosystem. Therefore, there is a need to develop information-rich monitoring programs to assess ecological impacts and inform solutions to mitigate adverse effects. This paper evaluates potential indicators of OWD impacts on fisheries resources that could be considered
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Fish age reading using deep learning methods for object-detection and segmentation ICES J. Mar. Sci. (IF 3.3) Pub Date : 2024-02-27 Arjay Cayetano, Christoph Stransky, Andreas Birk, Thomas Brey
Determination of individual age is one essential step in the accurate assessment of fish stocks. In non-tropical environments, the manual count of ring-like growth patterns in fish otoliths (ear stones) is the standard method. It relies on visual means and individual judgment and thus is subject to bias and interpretation errors. The use of automated pattern recognition based on machine learning may
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A framework for multidisciplinary science observations from commercial ships ICES J. Mar. Sci. (IF 3.3) Pub Date : 2024-02-19 Alison M Macdonald, Luna Hiron, Leah McRaven, Laura Stolp, Kerry Strom, Rebecca Hudak, Shawn R Smith, Julia Hummon, Magdalena Andres
Science Research on Commercial Ships (Science RoCS) is a grassroots multi-institution group of scientists, engineers, data managers, and administrators seeking to further research opportunities by equipping commercial vessels with suites of maritime appropriate scientific sensors operated autonomously on regular ship routes with minimal crew intervention. Science RoCS aims to foster cooperation between
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Acoustic presence and demographics of sperm whales (Physeter macrocephalus) off southern New England and near a US offshore wind energy area ICES J. Mar. Sci. (IF 3.3) Pub Date : 2024-02-19 Annabel Westell, Timothy J Rowell, Natalie Posdaljian, Alba Solsona-Berga, Sofie M Van Parijs, Annamaria I DeAngelis
Construction in the southern New England wind energy area (WEA), a large-scale offshore wind farm on the east coast of the United States, started in June 2023. Baseline data was collected from 2020 to 2022, with six passive acoustic recorders (SoundTraps) deployed at shallow (<60 m) sites in the vicinity of Nantucket Shoals and Cox’s Ledge. Data were analysed for sperm whale presence, and demographic
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Shark and odontocete depredation on the catch of the tuna longline fishery in New Caledonia (South Pacific Ocean) ICES J. Mar. Sci. (IF 3.3) Pub Date : 2024-02-19 Margaux Mollier, Camille Mazé, François Prioul, Paul Hamer, Malo Hosken, Sam McKechnie, Paul Tixier
Large marine predators feeding on fish caught on fishing gear, referred to as ‘depredation’, occur in a wide range of fisheries worldwide. Depredation can result in negative ecological and socio-economic impacts, leading to conflict between fishers and depredating species. However, depredation remains understudied in many fisheries, and this hampers the development of effective mitigation solutions
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A personal reflection on changes in marine science education over the past sixty years ICES J. Mar. Sci. (IF 3.3) Pub Date : 2024-02-17 Richard C Brusca
Changes and needs in marine science (and natural science in general) training over the past six decades are discussed. Among these are: new technological advances; the loss of -ology courses; the loss of field courses and sense of place opportunities for students; the need for a more interdisciplinary approach to training natural science students; a need to better expose our students to threats to
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Impacts on population indices if scientific surveys are excluded from marine protected areas ICES J. Mar. Sci. (IF 3.3) Pub Date : 2024-02-17 Sean C Anderson, Philina A English, Katie S P Gale, Dana R Haggarty, Carolyn K Robb, Emily M Rubidge, Patrick L Thompson
Marine protected areas (MPAs) are increasingly common worldwide, typically restricting fishing activities. However, MPAs may also limit scientific surveys that impact benthic habitat. We combine a historical data degradation approach and simulation to investigate the effects on population indices of excluding surveys from MPAs. Our approach quantifies losses in precision, inter-annual accuracy, trend
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Predicting important fishing grounds for the small-scale fishery, based on Automatic Identification System records, catches, and environmental data ICES J. Mar. Sci. (IF 3.3) Pub Date : 2024-02-08 Ibon Galparsoro, Sarai Pouso, Isabel García-Barón, Estanis Mugerza, María Mateo, Iosu Paradinas, Maite Louzao, Ángel Borja, Gotzon Mandiola, Arantza Murillas
Effective and sustainable management of small-scale fisheries (SSF) is challenging. We describe a novel approach to identify important fishing grounds for SSF, by implementing a habitat modelling approach, using environmental predictors and Automatic Identification System (AIS)-B data coupled with logbook and First Sales Notes data, within the SE Bay of Biscay. Fishing activity patterns and catches
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An in-situ image enhancement method for the detection of marine organisms by remotely operated vehicles ICES J. Mar. Sci. (IF 3.3) Pub Date : 2024-02-07 Wenjia Ouyang, Yanhui Wei, Tongtong Hou, Junnan Liu
With the assistance of the visual system, remote operated vehicles (ROVs) can replace frogmen to achieve safer and more efficient capturing of marine organisms. However, the selective absorption and scattering of light lead to a decrease in the visual quality of underwater images, which hinders ROV operators from observing the operating environment. Unfortunately, most image enhancement methods only
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Multispecies population-scale emergence of climate change signals in an ocean warming hotspot ICES J. Mar. Sci. (IF 3.3) Pub Date : 2024-02-02 Katherine E Mills, Adam Kemberling, Lisa A Kerr, Sean M Lucey, Richard S McBride, Janet A Nye, Andrew J Pershing, Miguel Barajas, Carly S Lovas
Ocean waters of the Northeast US continental shelf have warmed rapidly in recent years, with sea surface temperatures rising 2.5 times faster than those of the global oceans. With this strong warming trend, the frequency and duration of marine heatwaves have increased. These temperature changes stood out as a distinct warm temperature regime during the 2010s. During this decade, fish population characteristics
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An update on the biological parameters of the Norway lobster (Nephrops norvegicus) in the northwestern Mediterranean Sea ICES J. Mar. Sci. (IF 3.3) Pub Date : 2024-02-02 Maria Vigo, Eve Galimany, Patricia Poch, Ricardo Santos-Bethencourt, Joan Sala-Coromina, Nixon Bahamón, Jacopo Aguzzi, Joan Navarro, Joan B Company
The Norway lobster, Nephrops norvegicus, is one of the most valuable fishery resources in many coastal countries of the Mediterranean Sea and the northeastern Atlantic Ocean. In the Mediterranean Sea, several stocks are being overexploited, with ecological, economic, and social consequences. To perform an adequate stock assessment and provide guidance on maximum sustainable yield, reliable biological
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Climate-driven changes in the timing of spawning and the availability of walleye pollock (Gadus chalcogrammus) to assessment surveys in the Gulf of Alaska ICES J. Mar. Sci. (IF 3.3) Pub Date : 2024-01-30 Lauren A Rogers, Cole C Monnahan, Kresimir Williams, Darin T Jones, Martin W Dorn
Climate-driven changes in the timing of spawning or migration can affect the availability of fish to surveys designed to monitor their abundance, complicating efforts to assess stock status and sustainably manage fisheries. From 2017 to 2019, trends in biomass estimates from four surveys used to monitor Gulf of Alaska pollock diverged. These conflicting trends increased uncertainty in the stock assessment
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Social network analysis as a tool to inform anguillid eel conservation and management ICES J. Mar. Sci. (IF 3.3) Pub Date : 2024-01-24 Michael J Williamson, David M P Jacoby, Tea Bašić, Alan Walker, Adam T Piper
Eel Management Plans demand European silver eel (Anguilla anguilla) escapement to the sea of at least 40% of that expected historically in the absence of human impacts. Landlocked lentic waterbodies, such as drinking water reservoirs, host substantial numbers of eel, which could represent a significant contribution to catchment-based conservation targets. To optimize netting strategies for eel management
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Calibrating ecosystem models to support ecosystem-based management of marine systems ICES J. Mar. Sci. (IF 3.3) Pub Date : 2024-01-24 Jacob W Bentley, David Chagaris, Marta Coll, Johanna J Heymans, Natalia Serpetti, Carl J Walters, Villy Christensen
Ecosystem models, such as Ecopath with Ecosim (EwE), provide a platform to simulate intricate policy scenarios where multiple species, pressures, and ecosystem services interact. Complex questions often return complex answers, necessitating evidence and advice to be communicated in terms of trade-offs, risks, and uncertainty. Calibration procedures for EwE, which can act as a source of uncertainty
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Linking climate stressors to ecological processes in ecosystem models, with a case study from the Gulf of Alaska ICES J. Mar. Sci. (IF 3.3) Pub Date : 2024-01-22 Alberto Rovellini, André E Punt, Meaghan D Bryan, Isaac C Kaplan, Martin W Dorn, Kerim Aydin, Elizabeth A Fulton, Baptiste Alglave, Matthew R Baker, Gemma Carroll, Bridget E Ferriss, Melissa A Haltuch, Adam L Hayes, Albert J Hermann, Pierre-Yves Hernvann, Kirstin K Holsman, Owen R Liu, Elizabeth McHuron, Hem Nalini Morzaria-Luna, Jamal Moss, Szymon Surma, Madison T Weise
As climate stressors are impacting marine ecosystems and fisheries across the world, ecosystem models that incorporate environmental variables are increasingly used to inform ecosystem-based fisheries management. The assumptions around the mechanistic links between climate stressors and the biological processes in these models are important, but the implications for model outcomes of which stressors
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Lessons from Lyme Bay (UK) to inform policy, management, and monitoring of Marine Protected Areas ICES J. Mar. Sci. (IF 3.3) Pub Date : 2024-01-16 Chloe Renn, Sian Rees, Adam Rees, Bede F R Davies, Amy Y Cartwright, Sam Fanshawe, Martin J Attrill, Luke A Holmes, Emma V Sheehan
This decade represents a critical period to profoundly rethink human–nature interactions in order to address the interwoven climate and biodiversity crises. Marine Protected Areas (MPAs) demonstrate promise for increasing ecosystem resilience and reversing habitat and population declines, but outcomes vary considerably from context to context. Partially protected areas offer a compromise between ecological
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A workflow for standardizing the analysis of highly resolved vessel tracking data ICES J. Mar. Sci. (IF 3.3) Pub Date : 2024-01-11 T Mendo, A Mujal-Colilles, J Stounberg, G Glemarec, J Egekvist, E Mugerza, M Rufino, R Swift, M James
Knowledge on the spatial and temporal distribution of the activities carried out in the marine environment is key to manage available space optimally. However, frequently, little or no information is available on the distribution of the largest users of the marine space, namely fishers. Tracking devices are being increasingly used to obtain highly resolved geospatial data of fishing activities, at
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Impact of fishery observer protocol on estimated bycatch rates of marine mammals ICES J. Mar. Sci. (IF 3.3) Pub Date : 2024-01-11 Kristin Precoda, Christopher D Orphanides
Managing fishing operations’ threat to marine mammal populations hinges on accurate bycatch estimates, often derived from fishery observer or monitoring programmes. Much global marine mammal bycatch occurs in gillnets, and observer protocols that do not include watching the haulback of gillnets may miss animals that drop out of the net. We investigated whether trips using a fish-focused observer protocol
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An Eulerian perspective on habitat models of striped bass occurrence in an offshore wind development area ICES J. Mar. Sci. (IF 3.3) Pub Date : 2024-01-09 Ella R Rothermel, Michael H P O'Brien, Jessica E Best, Dewayne A Fox, Benjamin I Gahagan, Amanda L Higgs, Ian A Park, Gail Wippelhauser, David H Secor
Offshore wind energy development, including along the US Atlantic coast, frequently occurs within important multispecies migration corridors; however, assessing the regional factors influencing the local Eulerian occurrence of these species poses a significant challenge. We used generalized models incorporating lagged variables and hierarchical formulations to account for temporal dependencies and
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Using fisheries-dependent data to investigate landings of European lobster (Homarus gammarus) within an offshore wind farm ICES J. Mar. Sci. (IF 3.3) Pub Date : 2024-01-08 Harry Thatcher, Thomas Stamp, Pippa J Moore, David Wilcockson
The need for alternative strategies to assist in the monitoring and sustainable management of fisheries’ resources is becoming increasingly important. In recent years, greater utilization of fishers’ knowledge has been advocated as a potentially valuable source of data that could be applied to fisheries management issues. In the current study, we addressed this by investigating the landing per unit
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Management strategy evaluation of harvest control rules for Pacific Herring in Prince William Sound, Alaska ICES J. Mar. Sci. (IF 3.3) Pub Date : 2024-01-05 Joshua A Zahner, Trevor A Branch
Management strategy evaluation (MSE) provides a mechanism to test the relative performance of alternative management strategies on a fishery. For Pacific herring in Prince William Sound, Alaska, no directed fisheries have occurred in over 30 years, providing an opportunity to evaluate potential management strategies before a fishery is opened. Here we evaluate and compare 10 harvest control rules (HCRs)
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A review and synthesis of the benefits, drawbacks, and considerations of using traps to survey fish and decapods ICES J. Mar. Sci. (IF 3.3) Pub Date : 2023-12-28 Nathan M Bacheler
Traps (or pots) are one of the oldest and most widespread scientific survey gears for fish and decapod crustaceans around the world. Here, I review and synthesize the extensive scientific literature describing the various benefits and drawbacks of using traps as a survey gear in scientific studies. The widespread use of traps in fish and decapod surveys is due to several characteristics like their
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Quantification of intraspecific and interspecific competition in fish species of the Aegean Sea ICES J. Mar. Sci. (IF 3.3) Pub Date : 2023-12-22 Martha Koutsidi, Alexis Lazaris, Panagiota Peristeraki, George Tserpes, Evangelos Tzanatos
Competition shapes species coexistence and community assembly, playing a central role in maintaining biodiversity and ecosystem resilience. Here, we used an asymmetric competition index that quantifies the possible competitive effect of a species on any other, using southern Aegean Sea nekton biomass from the Mediterranean International Trawl Survey dataset, combined with data on six traits relevant
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The stress response of the seagrass Zostera noltei and three commercial clam species to low salinity associated with heavy rainfall ICES J. Mar. Sci. (IF 3.3) Pub Date : 2023-12-18 Salvador Román, Elsa Vázquez, Marta Román, Rosa M Viejo, Nicolás Weidberg, Jesús S Troncoso, Sarah A Woodin, David S Wethey, Celia Olabarria
The maintenance of stocks of estuarine species strongly depends on the ability of the species to cope with environmental stress. In NW Spain, commercial clam beds, which are usually co-occupied by the seagrass Zostera noltei, are often exposed to reduced salinity caused by intense rainfalls. Our goals were to evaluate the effects of low salinity events on both juvenile clams and Z. noltei, including
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Simulating dispersal in a complex coastal environment: the Eastern Shore Islands archipelago ICES J. Mar. Sci. (IF 3.3) Pub Date : 2023-12-14 Yongxing Ma, Yongsheng Wu, Nicholas W Jeffery, Rachel Horwitz, Jinshan Xu, Ed Horne, Ryan R E Stanley
The Eastern Shore Islands (ESI) archipelago on the Scotian Shelf supports a rich variety of biogenic habitats and associated diversity of coastal species. The unique and complex geometry of the ESI coastline has a significant impact on circulation and, correspondingly, influences the dispersal of nearshore organisms. For many coastal areas, the ability to accurately resolve the dispersal processes
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Automated acoustic monitoring of fish for near-real-time resource management ICES J. Mar. Sci. (IF 3.3) Pub Date : 2023-12-12 John K Horne, Jackson A Swan, Tommy J Tracy, Gordon W Holtgrieve
Freshwater fisheries in developing regions provide livelihoods and nutrition for millions of people worldwide. These fisheries are frequently data poor, which limits fisheries management. The seasonal Cambodian dai platform fishery on the Tonle Sap River is one of the best monitored inland fisheries in Southeast Asia, yet catch sampling is limited and there is no fishery-independent monitoring. A monitoring
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Broadband target strength of arabesque greenling, Pacific sand lance, and pointhead flounder ICES J. Mar. Sci. (IF 3.3) Pub Date : 2023-12-12 Naizheng Yan, Tohru Mukai, Kohei Hasegawa, Jun Yamamoto, Yoshiaki Fukuda
Measurement of target strength (TS) is important for estimating the abundance of species using fisheries acoustics. However, most researchers have only used a limited number of representative frequencies for acoustic measurements of fish without a swim bladder (bladderless fish). Here, we measured the broadband TS of three bladderless fish species, arabesque greenling (Pleurogrammus azonus), Pacific
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A paradigm for understanding whole ecosystem effects of offshore wind farms in shelf seas ICES J. Mar. Sci. (IF 3.3) Pub Date : 2023-12-12 Natalie Isaksson, Beth E Scott, Georgina L Hunt, Ella Benninghaus, Morgane Declerck, Kate Gormley, Caitlin Harris, Sandra Sjöstrand, Neda I Trifonova, James J Waggitt, Juliane U Wihsgott, Charlotte Williams, Arianna Zampollo, Benjamin J Williamson
With the rapid expansion of offshore windfarms (OWFs) globally, there is an urgent need to assess and predict effects on marine species, habitats, and ecosystem functioning. Doing so at shelf-wide scale while simultaneously accounting for the concurrent influence of climate change will require dynamic, multitrophic, multiscalar, ecosystem-centric approaches. However, as such studies and the study system
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Overlap between the Mid-Atlantic Bight Cold Pool and offshore wind lease areas ICES J. Mar. Sci. (IF 3.3) Pub Date : 2023-12-08 Rebecca Horwitz, Travis N Miles, Daphne Munroe, Josh Kohut
The Mid-Atlantic Cold Pool is a seasonal mass of cold bottom water that extends throughout the Mid-Atlantic Bight (MAB). Formed from rapid vernal surface warming, the Cold Pool dissipates in the fall due to mixing events such as storms. The Cold Pool supports a myriad of MAB coastal ecosystems and economically valuable commercial and recreational fisheries. Offshore wind energy has been rapidly developing
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Thermal histories reveal spatiotemporal distribution and population overlapping of Sepioteuthis lessoniana ICES J. Mar. Sci. (IF 3.3) Pub Date : 2023-12-07 Chun-I Chiang, Ming-Tsung Chung, Jen-Chieh Shiao, Pei-Ling Wang, Chia-Hui Wang
Thermal histories describe ambient temperature experienced by cephalopod species from birth to death, reflecting their habitats and distributions. Thermal histories were reconstructed by analyzing ontogenetic oxygen isotopes (δ18O values) in statoliths of adult Sepioteuthis lessoniana collected from northeastern and southwestern Taiwan between 2017 and 2019. The probabilities of occurrence associated
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Model-informed classification of broadband acoustic backscatter from zooplankton in an in situ mesocosm ICES J. Mar. Sci. (IF 3.3) Pub Date : 2023-12-07 Muriel Dunn, Chelsey McGowan-Yallop, Geir Pedersen, Stig Falk-Petersen, Malin Daase, Kim Last, Tom J Langbehn, Sophie Fielding, Andrew S Brierley, Finlo Cottier, Sünnje L Basedow, Lionel Camus, Maxime Geoffroy
Classification of zooplankton to species with broadband echosounder data could increase the taxonomic resolution of acoustic surveys and reduce the dependence on net and trawl samples for ‘ground truthing’. Supervised classification with broadband echosounder data is limited by the acquisition of validated data required to train machine learning algorithms (‘classifiers’). We tested the hypothesis
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Climate adaptation depends on rebalancing flexibility and rigidity in US fisheries management ICES J. Mar. Sci. (IF 3.3) Pub Date : 2023-12-07 Abigail S Golden, Marissa L Baskett, Dan Holland, Arielle Levine, Kathy Mills, Timothy Essington
Fisheries face unprecedented environmental change. An important aspect of resilience to this change is the adaptive capacity of managers and stakeholders to respond to new conditions. A growing academic literature has demonstrated the value of fostering this adaptive capacity and highlighted key elements of fisheries social-ecological systems that can promote it. However, it is unclear to what extent
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Simultaneous Bayesian estimation of size-specific catchability and size spectrum parameters from trawl data ICES J. Mar. Sci. (IF 3.3) Pub Date : 2023-12-07 Kyle J Krumsick, Eric J Pedersen
Fisheries-independent surveys are a critical tool for monitoring marine populations and communities. However, considerations must be made to account for variable-size-based catchability. The size-specific catchability function is therefore key for estimating size distributions, but often requires extensive data sets or specialized field experiments to determine. We develop a Bayesian model capable
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Using opportunistic data to study the distribution and abundance of a warm water elasmobranch at the northern edge of its range ICES J. Mar. Sci. (IF 3.3) Pub Date : 2023-12-05 Jan Geert Hiddink, Ryan Charles, Alec B M Moore
Detecting changes in the distribution and abundance of marine species that are cryptic or occurring in very low abundances is difficult, but essential for assessing their status and informing management. One way of quantifying these changes is through the collation of opportunistic records. We reconstruct the population trajectory and distribution of the common stingray Dasyatis pastinaca around Great
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A synthesis review of nature positive approaches and coexistence in the offshore wind industry ICES J. Mar. Sci. (IF 3.3) Pub Date : 2023-12-05 Juan Carlos Farias Pardo, Magnus Aune, Christopher Harman, Mats Walday, Solrun Figenschau Skjellum
Offshore wind is one of the major fast-growing renewable energy industries, and sustainable implementation of offshore wind farms (OWF) is desired. Nature positive approaches have been proposed to promote biodiversity gain and improve ecosystem resilience. At the same time, coexistence has been considered a way to mitigate the race for ocean space and better integrate the development of the OWF industry
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Modelling perspective on the climate footprint in south east Australian marine waters and its fisheries ICES J. Mar. Sci. (IF 3.3) Pub Date : 2023-12-04 Elizabeth A Fulton, Nastaran Mazloumi, Aaron Puckeridge, Roshan Hanamseth
South eastern Australia is a global warming hotspot, and is also home to ~70% of Australia’s population and one of Australia’s largest fisheries—the South East Scalefish and Shark Fishery. This fishery spans shelf to deep waters, subtropical to temperate waters, employs many gears, and interacts with over 100 species. Despite following best practice fisheries management principles, including taking
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Applications and analytical approaches using imaging sonar for quantifying behavioural interactions among aquatic organisms and their environment ICES J. Mar. Sci. (IF 3.3) Pub Date : 2023-11-30 Ryan T Munnelly, Jose C Castillo, Nils Olav Handegard, Matthew E Kimball, Kevin M Boswell, Guillaume Rieucau
For many aquatic animals, distributional patterns, trophodynamic relationships, and reproductive activity are driven by complex biotic and abiotic ecosystem interactions that influence behaviour. Linking behavioural information to environmental stimuli and stressors can, therefore, help to anticipate population and ecosystem responses to changing conditions and inform management. However, behavioural
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Regional and temporal variation in escape history of Norwegian farmed Atlantic salmon ICES J. Mar. Sci. (IF 3.3) Pub Date : 2023-11-30 Nina Strand, Kevin A Glover, Sonnich Meier, Fernando Ayllon, Vidar Wennevik, Abdullah Madhun, Øystein Skaala, Kristin Hamre, Per Gunnar Fjelldal, Tom Hansen, Eero Niemelä, Sofie Knutar, Per Tommy Fjeldheim, Monica F Solberg
Each year thousands of farmed Atlantic salmon escape from seawater net pens, and introgression has been documented in a range of wild populations. Due to greater experience in the wild, escapees that have been on the run for a longer period, and successfully transitioned to a wild diet (classified: “early escapees”), could potentially have a higher spawning success and contribute more to introgression
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An overview of the impacts of fishing on seabirds, including identifying future research directions ICES J. Mar. Sci. (IF 3.3) Pub Date : 2023-11-28 S C Votier, R B Sherley, K L Scales, K Camphuysen, R A Phillips
Knowledge of fisheries impacts, past and present, is essential for understanding the ecology and conservation of seabirds, but in a rapidly changing world, knowledge and research directions require updating. In this Introduction and in the articles in this Themed Set “Impacts of fishing on seabirds”, we update our understanding of how fishing impacts seabird communities and identify areas for future
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The challenges of modelling and assessing fisheries resources ICES J. Mar. Sci. (IF 3.3) Pub Date : 2023-11-14 Maria Grazia Pennino, Marta Coll, Santiago Cerviño
Many years after the publication of Beverton and Holt’s on the Dynamics of Exploited Fish Populations in 1957, many of the problems that they highlighted remain unsolved. For example, accurately estimating critical biological and fishing processes such as growth, natural mortality, recruitment, and selectivity continues to be challenging. Despite the lack of progress in some areas, there have been
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Geographic variability in the seasonality of euphausiid diel vertical migrations among three locations in coastal British Columbia, Canada ICES J. Mar. Sci. (IF 3.3) Pub Date : 2023-11-13 Nicholas J Ens, John F Dower, Stéphane Gauthier
Diel vertical migration (DVM) is a behaviour observed across zooplankton taxa in marine and limnetic systems worldwide. DVM influences biogeochemical cycling and carbon drawdown in oceanic systems and alters prey availability for zooplanktivorous species. DVM has been well studied among zooplankton, and many exogenous and endogenous triggers as well as adaptive significances have been hypothesized
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Maybe it’s good to not have too much focus ICES J. Mar. Sci. (IF 3.3) Pub Date : 2023-11-13 Jan A Pechenik
I had no idea what I was getting into when I decided to go into marine biology as a graduate student. It has ended up being a wonderful career, with opportunities to work with wonderful people around the world, and to work with many wonderful students at a variety of grade levels. It has also opened up opportunities in completely unexpected directions and allowed me to explore a good variety of research
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Annotating otoliths with a deep generative model ICES J. Mar. Sci. (IF 3.3) Pub Date : 2023-11-07 Troels Arnfred Bojesen, Côme Denechaud, Ketil Malde
Otoliths are a central information source for fish ecology and stock management, conveying important data about age and other life history for individual fish. Traditionally, interpretation of otoliths has required skilled expert readers, but recently deep learning classification and regression models have been trained to extract fish age from images of otoliths from a variety of species. Despite high
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Expanding the scope and roles of social sciences and humanities to support integrated ecosystem assessments and ecosystem-based management ICES J. Mar. Sci. (IF 3.3) Pub Date : 2023-11-07 Jamie C Tam, Courtenay E Parlee, Jill Campbell-Miller, Manuel Bellanger, Jacob Bentley, Vahab Pourfaraj, Evan J Andrews, Sondra L Eger, Adam M Cook, Gabrielle Beaulieu
Understanding social-ecological systems (SESs) is an important part of ecosystem-based management (EBM). One of the main decision support frameworks to develop scientific advice for EBM is integrated ecosystem assessments (IEAs). Human dimensions in SESs are primarily captured through indicators derived from three social sciences: economics, anthropology, and sociology. The breadth of social sciences
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The spatial correlation between trawl surveys and planned wind energy infrastructure on the US Northeast Continental Shelf ICES J. Mar. Sci. (IF 3.3) Pub Date : 2023-11-07 K D Friedland, J M Boucher, A W Jones, E T Methratta, R E Morse, C Foley, P J Rago
The development of wind energy on the US Northeast Continental Shelf (NES) may preclude resource-monitoring programmes from continuing in their original study designs. We considered the spatial requirements of energy developers and the spatial autocorrelation of resident species as a means to inform survey mitigation. The spatial requirements of the NES wind industry were considered in respect to the
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Upcalling behaviour and patterns in North Atlantic right whales, implications for monitoring protocols during wind energy development ICES J. Mar. Sci. (IF 3.3) Pub Date : 2023-11-07 G E Davis, S C Tennant, S M Van Parijs
Offshore wind energy is rapidly developing in US waters, with construction underway off Southern New England (SNE), an important region for many species, including the critically endangered North Atlantic right whale (NARW). A data-driven understanding of NARW upcalling behaviour is presented here to help establish proper monitoring protocols for mitigating impacts. Analyses of individual upcalls from
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Size-based indicators for assessments of ecological status of coastal fish communities ICES J. Mar. Sci. (IF 3.3) Pub Date : 2023-11-07 Ö Östman, K Hommik, E Bolund, O Heikinheimo, M Olin, A M Lejk, R Svirgsden, S Smoliński, J Olsson
Human impact does not only affect the abundances of fish, but also the age- and size-distributions. Indicators of fish age and size-structures can hence be useful tools for fisheries- and environmental management. Size-based indicators have been tested and proposed for large, homogenous marine ecosystems with high fishing mortality, but rarely for fine-scaled heterogeneous ecosystems in coastal zones
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Hybrid experimental designs for joint estimation of absolute and relative retention curves for trawl gears ICES J. Mar. Sci. (IF 3.3) Pub Date : 2023-11-06 Russell B Millar
Methods for jointly estimating both the size-specific relative retention and absolute retention (retention probability) of two experimental trawl gears are considered. One approach would be to undertake comparative fishing of both gears, from which their comparative catchability can be estimated directly. If comparative catchability can be corrected for differing sampling effort and fishing efficiency
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Estimation of returning Atlantic salmon stock from rod exploitation rate for principal salmon rivers in England & Wales ICES J. Mar. Sci. (IF 3.3) Pub Date : 2023-11-06 Stephen D Gregory, Jonathan P Gillson, Katie Whitlock, Jon Barry, Peter Gough, Robert J Hillman, David Mee, Graeme Peirson, Brian A Shields, Lawrence Talks, Simon Toms, Alan M Walker, Ben Wilson, Ian C Davidson
For effective fishery management, estimated stock sizes, along with their uncertainties, should be accurate, precise, and unbiased. Atlantic salmon Salmo salar stock assessment in England and Wales (and elsewhere across the Atlantic) estimate returning salmon stocks by applying a measure of rod exploitation rate (RER), derived from less abundant fishery-independent stock estimates, to abundant fishery-dependent
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Evaluating the impacts of environmental and fishery variability on the distribution of bigeye tuna in the Pacific Ocean ICES J. Mar. Sci. (IF 3.3) Pub Date : 2023-11-06 H Lin, J Wang, J Zhu, X Chen
Climate change-induced variabilities in the environment and fishing pressure affect the distribution and abundance of bigeye tuna in the Pacific Ocean. Understanding the causal relationships among these factors is complicated and challenging. We constructed a multi-output neural network model based on data from four types of bigeye tuna fisheries (longline and purse seine in the west-central and eastern
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Altering river flow impacts estuarine species and catches: lessons from giant mud crabs ICES J. Mar. Sci. (IF 3.3) Pub Date : 2023-10-19 Laura K Blamey, Éva E Plagányi, Julie Robins, Rob Kenyon, Roy A Deng, Justin Hughes, Shaun Kim
Anthropogenic alterations to river flow could have repercussions for flow-dependent species downstream but few studies account for these dynamic relationships or quantify impacts of altered river flow. Scylla serrata—a widely distributed portunid crab—was used as an example of a flow-dependent species to model impacts of altered flow on species abundance and catch. Crab population dynamics were modelled