Fisheries Research最新文献

{"title":"Ordering the alphabet soup: Strategies to improve consistency and develop a framework of tools for fisheries science vocabulary","authors":"Chantel R. Wetzel ,&nbsp;Christine C. Stawitz ,&nbsp;Bai Li ,&nbsp;Kelli F. Johnson ,&nbsp;Giselle M. Schmitz","doi":"10.1016/j.fishres.2024.107104","DOIUrl":"https://doi.org/10.1016/j.fishres.2024.107104","url":null,"abstract":"<div><p>Quantitative methods for assessing the status of marine fish populations began in the 19th century with simple catch-curve analysis and have evolved through the decades to use more advanced integrated statistical modeling. The corresponding assessment documents that communicate model estimates to other scientists and fisheries managers, generally, have grown in length and complexity, often describing hundreds of parameter estimates and population dynamics. These documents use a wide range of synonyms or similar terms that can vary either within a single assessment document or among other documents within or across fisheries management regions. The lack of standardization of terms used in assessment documents can lead to challenges in scientific reviews, communicating scientific results to fisheries managers, and for understanding assessments from other management regions. We analyzed the text of 134 assessment documents used to communicate the results of assessment software to managers from the varying management regions in the United States, Australia, and European International Council for the Exploration of the Sea (ICES) to quantify the presence of synonyms or similar terms that are often used interchangeably and highlight ways in which the output language could be harmonized without modifying meaning. Next, we developed an open source web-based dictionary and schema for fisheries science where the community can propose and adopt terms to create an agreed upon terminology. Finally, looking forward to future development, we propose approaches to leverage pre-existing frameworks such as Google coding standards to guide the development of tools to merge long-term ecological data sets, name objects in code bases, and report output. While this guidance is tailored to fisheries practitioners working within the U.S. management system, we aim to align with international standards to increase consistency across the international fisheries science community.</p></div>","PeriodicalId":50443,"journal":{"name":"Fisheries Research","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2024-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141595500","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of tow duration, door spread, and swept area on the catch efficiency of a bottom trawl","authors":"Casper W. Berg ,&nbsp;Kai Wieland ,&nbsp;Anna Rindorf","doi":"10.1016/j.fishres.2024.107108","DOIUrl":"https://doi.org/10.1016/j.fishres.2024.107108","url":null,"abstract":"<div><p>Trawl surveys are key to estimating changes in fish abundance, distribution and biodiversity. When tow by tow sampling effort in a survey has not been constant, catch rates are often standardized by swept area or haul duration. The nominal tow duration in the North Sea International Bottom Trawl Survey (NS-IBTS) has varied substantially, providing opportunity to test whether the underlying assumption of proportionality between catch and effort is confirmed by data. Here the effects of various effort metrics on indices of biomass are evaluated and compared for the three most common orders of species (gadiformes, pleuronectiformes, and clupeiformes) and two size groups in the North Sea using the NS-IBTS data. Tow duration is found to be a better effort metric than swept area in all cases. Catch is almost proportional to tow duration for gadiformes and pleuronectiformes, although shorter tows have higher catch rates, but for clupeiformes tow duration has no or little effect on expected catch. The relationship between catch and door spread is negatively correlated for clupeiformes, while only weak effects of door spread are found for the other species. Our findings have significant effects on standardized survey indices from NS-IBTS data due to the systematic change in tow-by-tow effort. Similar biases potentially occurs in all surveys where effort varies between hauls.</p></div>","PeriodicalId":50443,"journal":{"name":"Fisheries Research","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2024-07-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0165783624001723/pdfft?md5=597f0b1bb01ca00473f08d22a5837cc4&pid=1-s2.0-S0165783624001723-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141540842","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Depletion fishing of the alien fish species Siganus luridus, S. rivulatus, Pterois miles, and Etrumeus golanii in the Mediterranean Sea-gear, ecosystem impacts, and resolution","authors":"Angela Dikou","doi":"10.1016/j.fishres.2024.107095","DOIUrl":"https://doi.org/10.1016/j.fishres.2024.107095","url":null,"abstract":"<div><p><em>S. luridus, S. rivulatus</em>, <em>P. miles,</em> and <em>E. golanii</em> are four Lessepsians among the approximately 90 alien fish and have already demonstrated detectable negative impacts on local fish stocks and ecosystems in the Mediterranean Sea. The purpose of this review is to evaluate the feasibility and sustainability of their eradication through depletion fishing based on available knowledge and practices because there is positive mutual reinforcement between the altered state of a marine ecosystem due to changes in biogeochemical cycling and fishing and aliens’ establishment. Mediterranean artisanal and recreational fisheries already use efficient fishing gear, namely gill and trammel nets for <em>S. luridus and S. rivulatus</em>, spearguns for <em>P. miles,</em> and pelagic trawls for <em>E. golanii</em>. Removal of the aliens of concern restores local fish populations in field and modeling studies but the effects appear not to be long-lasting due to hydrodynamic connectivity with source populations and insufficient local natural mortality and predation either at the early (egg, larva) or later (juvenile, adult) stages of the aliens’ growth. Τo transcend the goal of management from local control toward resolution for these four Lessepsians’ entry and establishment in the Mediterranean Sea, the re-active intervention of their depletion fishing needs to be aligned with pro-active interventions at their sources of entry and means of transport upstream and with inter-active interventions of their monitoring by the multiple active users of marine resources. Sustainability of the resolution goal will be ensured provided it is designed in the large Mediterranean marine ecosystem jurisdiction, which includes both sources and sinks of aliens; planned locally, which caters for differential effects of aliens on local ecologies, societies, and economies; and considers mediators and moderators of the whole context of multiple-source, multiple-sector, nascent alien trophic web, and altered state of local ecosystems.</p></div>","PeriodicalId":50443,"journal":{"name":"Fisheries Research","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2024-07-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141540841","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Vertical habitat selection of sardine juveniles inferred from oxygen stable isotope of otolith","authors":"Tatsuya Sakamoto ,&nbsp;Toyoho Ishimura ,&nbsp;Tomohiko Matsuura ,&nbsp;Motomitsu Takahashi","doi":"10.1016/j.fishres.2024.107106","DOIUrl":"https://doi.org/10.1016/j.fishres.2024.107106","url":null,"abstract":"<div><p>Marine organisms can change their habitat depth based on feeding strategies and physiological requirements. Here, we investigated habitat depth selections of juvenile sardines in the western and eastern North Pacific, Sea of Japan, and East China Sea from summer to autumn, which have been poorly documented. Habitat depth was estimated by comparing stable oxygen isotope values at the edges of otoliths formed several weeks before capture with <em>in situ</em> temperature and salinity observations near the sampling sites. The estimated depths at the three stations in the Sea of Japan for which acoustic data were available were consistent with the maximum acoustic scattering layer. Habitat depths in the eastern North Pacific, Sea of Japan, and the East China Sea varied considerably between regions in the upper 70 m. Still, they were mostly ± 10 m from the seasonal thermocline. Average temperatures at the thermocline in the regions were 16.8−24.5°C, which included temperatures significantly higher than the presumed optimal temperatures. However, the habitat depths in the subarctic North Pacific, where the mean temperature at the thermocline was 8.4°C, were consistently in the surface mixed layer above the thermocline. These results suggested that juvenile sardines tend to reside in the thermocline to feed efficiently on aggregated plankton, provided the temperature is physiologically tolerable. Our results may be useful for increasing sampling efficiency, validating assumptions in behavioural models, and providing insight into how atmospheric forcing affects sardine growth and survival.</p></div>","PeriodicalId":50443,"journal":{"name":"Fisheries Research","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2024-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S016578362400170X/pdfft?md5=bf4600300b3f7634749787e001bfc6b7&pid=1-s2.0-S016578362400170X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141540840","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparison of Juvenile Pacific Salmon abundance, distribution, and body condition between Western and Eastern Bering Sea using spatiotemporal models","authors":"Aleksey Somov ,&nbsp;Edward V. Farley ,&nbsp;Ellen M. Yasumiishi ,&nbsp;Megan V. McPhee","doi":"10.1016/j.fishres.2024.107086","DOIUrl":"https://doi.org/10.1016/j.fishres.2024.107086","url":null,"abstract":"<div><p>Recent changes in climate have had generally negative impacts on salmon stocks in the eastern and positive effects in the western Bering Sea (WBS). Eastern Bering Sea (EBS) salmon stocks have periodically experienced reduced productivity, size, and survival, whereas salmon stocks in the western Bering Sea (WBS) have tended to be more stable, with some stocks increasing in abundance. This difference could be partially attributed to the different habitats that juvenile salmon occupy during their first marine year, which often determines recruitment. Here, we used salmon surveys in the EBS and WBS to compare the status of juveniles in these two large marine ecosystems. We applied spatio-temporal vector autoregressive spatio-temporal (VAST) models to adjust for differences in timing, vessels and trawl gear used, and to compare the relative abundance and body condition indices (length, weight, and Fulton's condition factor) of three juvenile salmon species pink, chum and sockeye salmon (<em>Oncorhynchus gorbuscha</em>, <em>O</em>. <em>keta</em>, and <em>O</em>.<em>nerka</em> respectively) between the WBS and EBS from 2002 to 2022. Juvenile salmon in WBS exhibited a consistent trend of larger size and higher Fulton's condition factor, with greater abundance compared to EBS in even years. A clear even-odd year pattern, which is believed to be driven by pink salmon, occurred in all species’ relative abundance and body condition in the WBS, with a limited impact of interannual temperature changes. Conversely, temperature had a significant impact on EBS salmon, with much of the variation in relative abundance and body condition occurring between warm and cold periods, and even/odd patterns were found only in pink salmon relative abundance and body condition. We detected different WBS-EBS migration patterns, with EBS juveniles dispersing from nearshore habitats earlier than WBS juveniles but migrating offshore later that is connected to bathymetry and the broad shelf in the EBS.</p></div>","PeriodicalId":50443,"journal":{"name":"Fisheries Research","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2024-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141542652","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Deep learning-based fishing ground prediction for albacore and yellowfin tuna in the Western and Central Pacific Ocean","authors":"Shuyang Su,&nbsp;Qinghong Mao,&nbsp;Yangdong Li,&nbsp;Hongli Li,&nbsp;Juntai Leng,&nbsp;Chengqian Lu","doi":"10.1016/j.fishres.2024.107103","DOIUrl":"https://doi.org/10.1016/j.fishres.2024.107103","url":null,"abstract":"<div><p>Tuna is a crucial economic fish species in the ocean, and the research on predicting the location of tuna fishing grounds has always been a key issue in deep-sea fisheries. Tuna, being a highly active fish that moves vertically in the ocean, is extremely sensitive to changes in marine environmental factors. This study aimed to investigate the impact of environmental factors and water depth changes on the accuracy of tuna fishing ground prediction. To achieve this, convolutional neural networks (CNNs) were utilized to train datasets using four key environmental factors - concentration of chlorophyll-a (CHLa), seawater temperature (ST), concentration of dissolved molecular oxygen (Oxy), and seawater salinity (SS) - at various depths ranging from 0 to 300 meters. A binary classification fishing ground prediction model for high and low yield areas of albacore and yellowfin tuna in the Western and Central Pacific Ocean was constructed. The goal was to identify the optimal fishing ground prediction model trained under these conditions and to explore the potential impact of environmental factors and water depth on the prediction accuracy of the model. The data used in this study included information from the Western and Central Pacific Ocean albacore and yellowfin tuna fisheries from 2003 to 2016, along with corresponding environmental data, which were used as the training and validation sets. The fishing data and environmental data from 2017 were then utilized as the test set to develop fishing ground prediction models for the two fish species. The results indicate that using convolutional neural networks to construct fishing ground prediction models is indeed feasible, and spatio-temporal information plays a significant role in optimizing predicting models for tuna fishing ground. Among the models developed for the same fish species using the four marine environmental factors at different depths, the model based on CHLa at each depth was found to be the most effective, while the model constructed using Oxy at the same depth performed the worst. Furthermore, the albacore fishing ground prediction model demonstrated significantly higher efficacy compared to the yellowfin tuna fishing ground prediction model when using the same marine environmental factors. It was also observed that the accuracy of fishing ground prediction models for the same species varied depending on water depth, even when based on the same marine environmental factors. These findings highlight the importance of considering both environmental factors and water depth in predicting tuna fishing grounds accurately.</p></div>","PeriodicalId":50443,"journal":{"name":"Fisheries Research","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2024-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141483742","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A problem for the ages: Achieving reliable fish age information through quality management","authors":"Micah Davison ,&nbsp;Timothy Copeland ,&nbsp;Dennis Scarnecchia","doi":"10.1016/j.fishres.2024.107101","DOIUrl":"https://doi.org/10.1016/j.fishres.2024.107101","url":null,"abstract":"<div><p>Age information is central to assessment and management of fish populations. Age information must be reliable to have value, which depends on its quality. Quality assurance (QA) and quality control (QC) are processes often applied to some aspects of producing age information (e.g., annulus validation). However, we advocate for a more holistic approach which leverages QA/QC measures across all phases of the age information-generating process. Systematic implementation of QA/QC measures in a repetitive process is common in the manufacturing industry where it is known as a quality management system (QMS) but this framework is not well described in the fisheries literature. We designed and implemented a QMS that incorporates QA/QC measures across all phases of fish age information development: Collection, Interpretation, and Distribution. These measures are guided by six principles: Train, Simplify, Validate, Compare, Record, and Improve. In our QMS, the Train, Simplify, and Validate principles are largely guidance for QA measures, while Compare, Record, and Improve guide QC measures. We provide examples of common errors (or sources of error) in each phase, and how the guiding principles in our QMS address these errors. This is a QMS crafted as a holistic approach to managing the quality of fish age information; however, it has broad application as a conceptual framework for other repetitive processes in fisheries.</p></div>","PeriodicalId":50443,"journal":{"name":"Fisheries Research","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2024-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141483743","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A hierarchical model of persistent and transient growth variation applied to Lake Superior lake trout","authors":"Elizabeth Stebbins ,&nbsp;James R. Bence,&nbsp;Travis O. Brenden,&nbsp;Michael J. Hansen","doi":"10.1016/j.fishres.2024.107081","DOIUrl":"https://doi.org/10.1016/j.fishres.2024.107081","url":null,"abstract":"<div><p>Variability in individual fish growth both within and among populations can interact with mortality to affect variation in size-at-age and other critical features of populations. Herein, we developed and applied mixed-effects, hierarchical growth models to back-calculated length-at-age data from six lake trout (<em>Salvelinus namaycush</em>) populations in Lake Superior to quantify how growth variation was attributable to persistent sources within and among populations and transient (short-term and not consistent over time for an individual) sources. Persistent variation in growth among individuals explained more variability in length-at-age than transient variation, and most of this variation was within populations rather than among populations. Simulations showed that the modeling approach could robustly estimate most growth function parameters, even with mismatches between true and assumed among-population covariation, although a higher number of populations enabled better estimation of certain population-level parameters. An implicit assumption to our interpretation was that lake trout populations in Lake Superior had not experienced substantial size-selective mortality, so their length-at-age patterns largely reflected growth variation rather than size-selective mortality. This assumption should be tested when interpreting future applications of this growth modeling approach.</p></div>","PeriodicalId":50443,"journal":{"name":"Fisheries Research","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2024-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141483741","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Forecasting fish recruitment using machine learning methods: A case study of arabesque greenling","authors":"Hiroshi Okamura ,&nbsp;Shoko Morita ,&nbsp;Hiroshi Kuroda","doi":"10.1016/j.fishres.2024.107096","DOIUrl":"https://doi.org/10.1016/j.fishres.2024.107096","url":null,"abstract":"<div><p>Fish recruitment prediction is one of the most challenging topics in fisheries science. The recruitment of arabesque greenling in northern Hokkaido, Japan, which has been annually assessed for population size, greatly fluctuates. Whether the cause of fluctuation is environment or overfishing is controversial. We use a machine learning method for predicting the recruitment of arabesque greenling. Biological, fisheries-related, and environmental factors were included in the predictive models as feature variables. A gradient boosting model (GBM) showed better predictive performance compared with a simple hockey-stick stock-recruitment curve (HS), linear regression model (LRM), generalized additive model (GAM), and a random forest model (RFM) in terms of relative bias and relative root mean square error for recruitment prediction in the last 5 years. The most influential feature for GBM was spawning stock biomass in the last year, followed by the fishing rate for older fish and recruitment at the last year. The sea temperatures (STs) at the depth of 0, 50, 100, and 200 m were unimportant predictors in GBM. The difference in important predictors among models suggests the importance of nonlinearity and incorporating multiple variables simultaneously. This study highlights the potential usefulness of GBM for fish recruitment forecast and thereby sustainable fisheries management.</p></div>","PeriodicalId":50443,"journal":{"name":"Fisheries Research","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2024-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141483737","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Market development for an invasive fish species: Blue catfish in the Chesapeake Bay, US","authors":"Andrew M. Scheld,&nbsp;W. Reid Calhoun,&nbsp;Caela B. Gilsinan,&nbsp;Shelby B. White","doi":"10.1016/j.fishres.2024.107099","DOIUrl":"https://doi.org/10.1016/j.fishres.2024.107099","url":null,"abstract":"<div><p>This research investigated market development for invasive blue catfish from the Chesapeake Bay, US. A small number of interviews with seafood processors and a large online survey of seafood consumers in the US Mid-Atlantic and Southeast (n = 1010) were used to understand factors influencing demand. The survey included a choice experiment to elicit consumer preferences for blue catfish in comparison to substitute seafood products and tested the effects of providing various types of information. Processors noted broad industry concerns related to labor availability and input costs and felt that expansion of the blue catfish market depended upon increasing consumer awareness and product familiarity. Consumer surveys revealed only one-third of respondents had consumed wild-caught blue catfish, though another third indicated they would be willing to try it. In the choice experiment, providing information on production method and product origin were found to increase consumer demand across seafood products. For blue catfish, providing additional information increasing consumer product familiarity or detailing the harmful ecological effects also increased demand. Mean consumer willingness-to-pay for blue catfish was estimated to be $9.70/lb, but increased to $22/lb in an information-rich scenario. These findings suggest a large potential market for invasive blue catfish in the US Mid-Atlantic and Southeast, with demand dependent on consumer product familiarity.</p></div>","PeriodicalId":50443,"journal":{"name":"Fisheries Research","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2024-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0165783624001632/pdfft?md5=8dbbbced3c657ab608cdba8e65a9f7be&pid=1-s2.0-S0165783624001632-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141483740","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}