Fish and Fisheries最新文献

Using High‐Resolution Fisheries Data to Identify Spatial Patterns in Retained Catch Compositions for Mixed Fisheries

IF 6.7 1区农林科学

Fish and Fisheries Pub Date : 2025-01-27 DOI: 10.1111/faf.12883

Gianfranco Anastasi, Johnathan Ball, Roi L. Martinez, Paul J. Dolder

{"title":"Using High‐Resolution Fisheries Data to Identify Spatial Patterns in Retained Catch Compositions for Mixed Fisheries","authors":"Gianfranco Anastasi, Johnathan Ball, Roi L. Martinez, Paul J. Dolder","doi":"10.1111/faf.12883","DOIUrl":"https://doi.org/10.1111/faf.12883","url":null,"abstract":"Mixed fisheries exploit fish stocks that are heterogeneously distributed in space using gears that are not species selective. This poses a challenge for management as catch limits for less productive stocks constrain catches of more productive stocks leading to losses in yield and economic value. Decoupling catches of stocks caught together in mixed fisheries could increase potential yields and may be achieved through changes in spatial fishing patterns. This study identifies fine‐scale spatial patterns of retained catches for the UK otter trawlers in UK waters by combining vessel monitoring system positional information and logbook data on retained catches. Spatially contiguous units were identified through a combination of Principal Components Analysis and spatial clustering. Our results show a complex spatial structure in the fish assemblage which differs across UK sea areas, with greater similarity between the Northern North Sea and West of Scotland compared to other sea areas. Through simulation, we highlight how fine‐scale spatially resolved fisheries data can identify areas where choke risks from catches of low‐quota, low‐productivity species associated with target species can be reduced. This underscores the value of fine‐scale data for enhancing efficiency and sustainability in mixed fisheries. Wider benefits from the use of fine‐scale data include the ability to identify consistent spatial métier definitions for use in modelling technical interactions. Ultimately, our study informs strategies and approaches that decouple catches of low‐quota, low‐productivity species caught together in mixed fisheries, improving sustainability and the conservation of living resources under complex management challenges.","PeriodicalId":169,"journal":{"name":"Fish and Fisheries","volume":"159 1","pages":""},"PeriodicalIF":6.7,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143050056","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The Vanishing Vaquita: A Call for Definitive Action

IF 6.7 1区农林科学

Fish and Fisheries Pub Date : 2025-01-24 DOI: 10.1111/faf.12884

Pablo del Monte‐Luna, Salvador E. Lluch‐Cota, Andrew W. Trites, Andrés Cisneros‐Montemayor, Francisco Arreguín‐Sánchez, Edgar Alcántara‐Razo

引用次数: 0

Effectiveness of Conditioning Strategies in Improving Fish Fitness‐Related Traits

IF 6.7 1区农林科学

Fish and Fisheries Pub Date : 2025-01-23 DOI: 10.1111/faf.12882

Zonghang Zhang, Guihui Ning, Fei Tong, Wuhan Lin, Yangke Shang, Daomin Peng, Wenhua Liu

引用次数: 0

Eco‐Evolutionary Consequences of Selective Exploitation on Metapopulations Illustrated With Atlantic Salmon 以大西洋鲑鱼为例，选择性开发对大种群的生态进化影响

IF 6.7 1区农林科学

Fish and Fisheries Pub Date : 2025-01-15 DOI: 10.1111/faf.12881

Amaïa Lamarins, Stephanie M. Carlson, Etienne Prévost, William H. Satterthwaite, Mathieu Buoro

{"title":"Eco‐Evolutionary Consequences of Selective Exploitation on Metapopulations Illustrated With Atlantic Salmon","authors":"Amaïa Lamarins, Stephanie M. Carlson, Etienne Prévost, William H. Satterthwaite, Mathieu Buoro","doi":"10.1111/faf.12881","DOIUrl":"https://doi.org/10.1111/faf.12881","url":null,"abstract":"Although the eco‐evolutionary consequences of dispersal and exploitation are increasingly recognised, consideration of these effects and how they interact for management and conservation remains limited. We addressed this gap by examining population exploitation within a metapopulation framework, using Atlantic salmon as a case study. We compared eco‐evolutionary consequences of alternative exploitation strategies by incorporating selective exploitation based on life‐history traits and spatial dimension of exploitation (i.e., whether populations were net exporters or importers of individuals). We used a demo‐genetic agent‐based model to examine demographic and evolutionary consequences of these strategies across a gradient of population‐specific exploitation rates. At the metapopulation scale, we found both lower abundance and earlier sexual maturation with increasing exploitation, particularly when fishing was selective on larger individuals. The spatial selectivity of exploitation had an overall additional detrimental effect on metapopulation performance and fisheries yield, and induced stronger evolutionary changes than when exploitation was evenly spread over all populations. We discuss the implications of metapopulation functioning for species management and how considering dispersal patterns and intensity might change how we apply harvest. Nevertheless, our findings suggest that the safest approach remains to distribute exploitation efforts evenly across all populations, especially in the absence of variation in intrinsic productivity. However, this strategy might not completely prevent negative consequences at the local scale. Therefore, we advise managers to critically assess the relevance of our results and dispersal assumptions in the specific cases they may have to deal with.","PeriodicalId":169,"journal":{"name":"Fish and Fisheries","volume":"93 1","pages":""},"PeriodicalIF":6.7,"publicationDate":"2025-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142986320","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Overfishing Social Fish 过度捕捞社会性鱼类

IF 6.7 1区农林科学

Fish and Fisheries Pub Date : 2025-01-07 DOI: 10.1111/faf.12880

James A. Wilson, Jarl Giske, Culum Brown

{"title":"Overfishing Social Fish","authors":"James A. Wilson, Jarl Giske, Culum Brown","doi":"10.1111/faf.12880","DOIUrl":"https://doi.org/10.1111/faf.12880","url":null,"abstract":"Social learning is common among vertebrates, including fish. Learning from others reduces the risk and costs of adaptation. In some longer‐lived species, social learning can lead to the formation of persistent groups that pass learned adaptations from one generation to the next (culture). Variations in learned adaptations are subject to natural selection, leading to a second, fast‐paced, fine‐scale evolutionary process that complements genetics and enables adaptation to the peculiarities of local areas. Socially learned knowledge is stored mainly in the minds of older fish and subsequently inherited (learned) by younger fish. Consequently, the persistence of locally adapted groups of long‐lived fish requires the inheritance of genetic and learned adaptations. Local populations of social learners are not often recognised nor conserved by fisheries managers. Fishing usually reduces the relative abundance of older fish far more than younger. We hypothesise that fishing may impair and eventually erase the learned local adaptations of long‐lived fish, leading to the loss of local stocks of these species and significant ecosystem‐wide changes. Fishing may shift abundance towards species not dependent on learned adaptations, i.e., invertebrates and short‐lived fish. The hypothesis leads directly to the idea that conserving populations of long‐lived social learners is likely best accomplished by protecting age and social structure or, more generally, the natural processes, such as social learning, that generate complexity in an adaptive ecosystem. Local area‐based management is aligned with the local processes of social learners and can capture and learn about the effect of human activity at that scale.","PeriodicalId":169,"journal":{"name":"Fish and Fisheries","volume":"22 1","pages":""},"PeriodicalIF":6.7,"publicationDate":"2025-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142936086","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Deep Fjords Are Excellent Natural Infrastructure for Climate Impact Studies 深峡湾是气候影响研究的优秀自然基础设施

IF 6.7 1区农林科学

Fish and Fisheries Pub Date : 2025-01-05 DOI: 10.1111/faf.12879

Anne Gro Vea Salvanes, Natalya D. Gallo, Martine Røysted Solås, Francesco Saltalamacchia, Dag L. Aksnes, Elin Darelius, Svenja Christiansen, Arild Folkvord, Aino Hosia, Stein Kaartvedt, Lisa Levin, Karin Limburg, Luis Martell, Frank Midtøy, Mari Myksvoll, Bjørg Risebrobakken, Heikki Savolainen, Julie Skadal, Arved Staby

{"title":"Deep Fjords Are Excellent Natural Infrastructure for Climate Impact Studies","authors":"Anne Gro Vea Salvanes, Natalya D. Gallo, Martine Røysted Solås, Francesco Saltalamacchia, Dag L. Aksnes, Elin Darelius, Svenja Christiansen, Arild Folkvord, Aino Hosia, Stein Kaartvedt, Lisa Levin, Karin Limburg, Luis Martell, Frank Midtøy, Mari Myksvoll, Bjørg Risebrobakken, Heikki Savolainen, Julie Skadal, Arved Staby","doi":"10.1111/faf.12879","DOIUrl":"https://doi.org/10.1111/faf.12879","url":null,"abstract":"Fjords provide valuable research opportunities for marine scientists. They are excellent natural infrastructure for climate impact studies associated with hypoxic episodes and consequences for mesopelagic and deep‐sea ecosystems involving oceanographic circulation processes and basin water renewals. Repeated sampling from the same populations is possible, making fjords excellent systems for developing time series of data for climate impact studies. We provide an overview of the 14 years of data from Norwegian West Coast fjords, focusing on Masfjorden, and report major findings from Oslofjorden in Eastern Norway, exhibiting recurrent hypoxia in the basin waters. We document that the oxygen levels in Masfjorden decreased rapidly by over 60% at 450 m depth in < 8 years, which is much faster than the average rate of deoxygenation in the global ocean. We also discuss the increase in the deep‐sea and low‐light‐adapted coronate jellyfish Periphylla periphylla in view of altered optical conditions of the basin water potentially related to deoxygenation. We argue that fjords like Masfjorden and Oslofjorden are not only macrocosms for ecological processes but also are likely an accelerated version of deep oceans with respect to climate impacts.","PeriodicalId":169,"journal":{"name":"Fish and Fisheries","volume":"136 1","pages":""},"PeriodicalIF":6.7,"publicationDate":"2025-01-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142925087","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Hope or Despair Revisited: Assessing Progress and New Challenges in Global Fisheries 希望还是绝望：评估全球渔业的进展和新挑战

IF 6.7 1区农林科学

Fish and Fisheries Pub Date : 2024-12-19 DOI: 10.1111/faf.12877

William W. L. Cheung, Daniel Pauly, U. Rashid Sumaila

{"title":"Hope or Despair Revisited: Assessing Progress and New Challenges in Global Fisheries","authors":"William W. L. Cheung, Daniel Pauly, U. Rashid Sumaila","doi":"10.1111/faf.12877","DOIUrl":"https://doi.org/10.1111/faf.12877","url":null,"abstract":"Marine fisheries are crucial to the economy, livelihood, food security and culture of coastal nations and communities, significantly contributing to the United Nations Sustainable Development Goals. A decade ago, T. J. Pitcher and W. W. L. Cheung highlighted the dichotomy in the perception of fisheries' status, concluding that long‐term sustainability and benefits to people were threatened by overexploitation, climate change, pollution, habitat change and other human stressors. They advocated for a fundamental shift towards ecosystem‐based management, better enforcement of existing regulations and more inclusive and equitable management practices. In this paper, we provide an updated review of the status of global fisheries, reflecting on policy actions, key assessments and research findings over the past decade. While there is a growing recognition of the need for sustainable fisheries management and ocean protection, the overall status of fisheries has not improved. Despite progress in international and national policies addressing direct and indirect drivers such as climate change and harmful practices, these trends have not been reversed. Many challenges identified by Pitcher and Cheung and others persist. Additionally, new and emerging issues such as deep‐sea mining, plastic pollution, unhealthy aquaculture development, increasing social inequity and the rapidly increasing push for the acceleration of the blue economy exacerbate the complexity of achieving fisheries and other ocean management goals. Debating whether there is more hope or despair in global fisheries has become irrelevant. Pathways to ‘bend the curve’ for fisheries are clear, and effective actions are now urgently needed to achieve desirable and sustainable fisheries.","PeriodicalId":169,"journal":{"name":"Fish and Fisheries","volume":"14 1","pages":""},"PeriodicalIF":6.7,"publicationDate":"2024-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142858432","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Climate Covariate Choice and Uncertainty in Projecting Species Range Shifts: A Case Study in the Eastern Bering Sea 预测物种分布范围变化时的气候变量选择和不确定性：东白令海案例研究

IF 6.7 1区农林科学

Fish and Fisheries Pub Date : 2024-12-16 DOI: 10.1111/faf.12875

Maurice C. Goodman, Jonathan C. P. Reum, Cheryl L. Barnes, Andre E. Punt, James N. Ianelli, Elizabeth A. McHuron, Giulio A. De Leo, Kirstin K. Holsman

{"title":"Climate Covariate Choice and Uncertainty in Projecting Species Range Shifts: A Case Study in the Eastern Bering Sea","authors":"Maurice C. Goodman, Jonathan C. P. Reum, Cheryl L. Barnes, Andre E. Punt, James N. Ianelli, Elizabeth A. McHuron, Giulio A. De Leo, Kirstin K. Holsman","doi":"10.1111/faf.12875","DOIUrl":"https://doi.org/10.1111/faf.12875","url":null,"abstract":"Species distribution models (SDMs) are critical to the adaptive management of fisheries under climate change. While many approaches projecting marine species range shifts have incorporated the effects of temperature on movement, there is a need to incorporate a wider suite of ecologically relevant predictors as temperature‐based SDMs can considerably under‐ or over‐estimate the rate of species responses to climate shocks. As a subarctic ecosystem at the sea ice margin, the Eastern Bering Sea (EBS) is warming faster than much of the global ocean, resulting in the rapid redistribution of key fishery and subsistence resources. To support long‐term planning and adaptation, we combine 40 years of scientific surveys with a high‐resolution oceanographic model to examine the effects of bottom temperature, oxygen, pH and a regional climate index (the extent of the EBS ‘cold pool’) on range projections through the end of the century. We use multimodel inference to partition uncertainty among earth systems models, climate scenarios and distribution model parameterizations for several ecologically and economically important EBS groundfish and crabs. Covariate choice is the primary source of uncertainty for most species, with models that account for spatial responses to the cold pool performing better and suggesting more extensive northward movements than alternative models. Models suggest declines in the probability of occurrence at low pH and oxygen concentrations for most species. We project shifts that are directionally consistent with, yet larger than those previously estimated for most species, suggesting that accounting for large‐scale climate variability in species distribution models may substantially alter range projections.","PeriodicalId":169,"journal":{"name":"Fish and Fisheries","volume":"38 1","pages":""},"PeriodicalIF":6.7,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142825473","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Teleconnection Impacts of Climatic Variability on Tuna and Billfish Fisheries of the South Atlantic and Indian Ocean: A Study Towards Sustainable Fisheries Management 气候变率对南大西洋和印度洋金枪鱼和长嘴鱼渔业的遥相关影响：可持续渔业管理研究

IF 6.7 1区农林科学

Fish and Fisheries Pub Date : 2024-12-12 DOI: 10.1111/faf.12876

Sandipan Mondal, Andre E. Punt, David Mendes, Kennedy Edeye Osuka, Ming‐An Lee

{"title":"Teleconnection Impacts of Climatic Variability on Tuna and Billfish Fisheries of the South Atlantic and Indian Ocean: A Study Towards Sustainable Fisheries Management","authors":"Sandipan Mondal, Andre E. Punt, David Mendes, Kennedy Edeye Osuka, Ming‐An Lee","doi":"10.1111/faf.12876","DOIUrl":"https://doi.org/10.1111/faf.12876","url":null,"abstract":"Climatic variability significantly impacts global fisheries by altering oceanographic conditions, potentially affecting fishing yields and species composition, and studying climate change's effects is crucial for understanding marine ecosystems, predicting disruptions and informing sustainable management strategies. Hence, this study examined the impact of climatic variability on pelagic predators like tunas, marlins and swordfish, using fishery data from 2005, January to 2016, December, focusing on nine commercially significant species each from the Indian and South Atlantic oceans. The hypothesis of the study was composed of two parts, that is, different populations of same species in the Indian and South Atlantic Ocean may respond differently to climatic variability, and the impact of teleconnections on fisheries may vary across these two oceans. The first part of the current study involved evaluating the importance of climatic variability on species using generalised additive modelling, while the second part involved analysing the unique effects of species‐specific climatic variability using cross‐spectral and cross‐wavelet analysis. The current study revealed two significant findings: firstly, species in the Indian Ocean and South Atlantic Ocean had distinct response to climatic variability (first hypothesis), and secondly, the species in the Indian Ocean displayed a higher level of sensitivity to teleconnection impacts (second hypothesis). The study's findings can help fisheries communities to anticipate and adapt to changes in fish distribution and productivity, enhancing their practices and spatial management, thereby promoting sustainable global fisheries management.","PeriodicalId":169,"journal":{"name":"Fish and Fisheries","volume":"21 1","pages":""},"PeriodicalIF":6.7,"publicationDate":"2024-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142815740","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Opportunity to Leverage Tactics Used by Skilled Fishers to Address Persistent Bycatch Challenges 利用熟练渔民使用的策略来解决持续的副渔获挑战的机会

IF 6.7 1区农林科学

Fish and Fisheries Pub Date : 2024-12-11 DOI: 10.1111/faf.12873

Leslie A. Roberson, Christopher J. Brown, Carissa J. Klein, Edward T. Game, Chris Wilcox

{"title":"Opportunity to Leverage Tactics Used by Skilled Fishers to Address Persistent Bycatch Challenges","authors":"Leslie A. Roberson, Christopher J. Brown, Carissa J. Klein, Edward T. Game, Chris Wilcox","doi":"10.1111/faf.12873","DOIUrl":"https://doi.org/10.1111/faf.12873","url":null,"abstract":"Effective management of shark bycatch is urgently needed to reverse widespread population declines, especially in longline fisheries that are estimated to be responsible for half of global shark catch. Management of shark catch typically focuses on the safe release of landed sharks, with limited attention to reducing the initial catch. Where controls on fishing effort or catch do exist, management frameworks tend to treat fishing fleets as homogeneous units. The underlying assumption is that fishers have similar abilities to catch target species and avoid bycatch. We test this assumption by analysing variability in shark bycatch rates among individual vessels in an industrial tuna longline fleet operating in the Western Pacific. Controlling for factors such as geographic location, time of day and gear depth, we find that individual vessels drive highly variable bycatch rates of blue (Prionace glauca) and silky sharks (Carcharhinus falciformis) – two shark species with the highest global catch volumes. Additionally, we found that the operating company can influence fisher performance. As countries and regional organisations increasingly adopt shark conservation plans and make international conservation commitments, it is crucial to identify viable new strategies that do not unduly burden the industry or penalise good actors. Tailoring management actions to individual fishers and companies – holding high‐bycatch fishers accountable and incentivising low‐bycatch fishers to continuously improve – presents a crucial opportunity to address the overfishing of sharks and other global bycatch challenges.","PeriodicalId":169,"journal":{"name":"Fish and Fisheries","volume":"8 1","pages":""},"PeriodicalIF":6.7,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142809877","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0