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Spatial analysis of fishing tows with Automatic Identification System (AIS) data to inform offshore wind layouts 利用自动识别系统 (AIS) 数据对渔船拖网进行空间分析,为海上风电布局提供信息
IF 1.7 3区 农林科学 Q2 FISHERIES Pub Date : 2024-01-22 DOI: 10.1002/mcf2.10279
Stephen Drew, Martin Wolterding, Andrew Rawson, Jason Drew

Objective

The coexistence of fisheries and offshore wind depends in part on the feasibility of fishing within turbine arrays. This paper explores the value of the Automatic Identification System (AIS) to measure tows of commercial trawl and dredge vessels as quantitative indications of their spatial characteristics to inform offshore wind assessments.

Methods

Public records from the AIS provide objective, detailed data supporting the measurement of fishing tows from recent years. Patterns and dimensions were examined from 45 trawl and dredge trips of 35 vessels.

Result

Although vessels spread some trips over large areas, they also make multiple passes in swaths as narrow as 0.3 nautical miles (NM). Turns are made by towing the gear through an arc ranging from 0.2 NM to more than 1 NM in diameter or by hauling gear to the boat and turning in less than 0.1 NM. These practices are confirmed by fishing captains.

Conclusion

These objective data from actual fishing trips could be valuable in considering the feasibility of fishing in wind farms and planning appropriate layouts. This first effort provides too small a sample to be considered representative, but it may demonstrate the concepts and encourage further research. Techniques could be refined and extended to other regions and activities, as expanding marine interests share limited space.

目标 渔业与近海风能的共存部分取决于在涡轮机阵列内捕鱼的可行性。本文探讨了自动识别系统(AIS)测量商业拖网渔船和疏浚渔船拖网的价值,作为其空间特征的定量指标,为近海风能评估提供信息。 方法 自动识别系统的公开记录提供了客观、详细的数据,支持对近几年的渔船拖网进行测量。对 35 艘渔船的 45 次拖网和耙网作业的模式和尺寸进行了研究。 结果 虽然渔船会在大面积区域内进行一些拖网作业,但也会在小至 0.3 海里(NM)的范围内进行多次拖网作业。转弯时,渔具拖曳的弧线直径从 0.2 海里到 1 海里以上不等,或者将渔具拖到船上,然后在 0.1 海里以内转弯。这些做法得到了船长们的证实。 结论 这些来自实际捕鱼活动的客观数据对于考虑在风电场捕鱼的可行性和规划适当的布局很有价值。首次尝试提供的样本太少,不具有代表性,但可以展示概念并鼓励进一步研究。随着海洋利益的不断扩大,共享有限空间的技术还可以改进并扩展到其他地区和活动。
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引用次数: 0
Depredation rates and spatial overlap between Great Hammerheads and Tarpon in a recreational fishing hot spot 休闲垂钓热点地区大锤头鱼和鲢鱼的捕食率和空间重叠情况
IF 1.7 3区 农林科学 Q2 FISHERIES Pub Date : 2024-01-22 DOI: 10.1002/mcf2.10277
Grace A. Casselberry, Gregory B. Skomal, Lucas P. Griffin, Jacob W. Brownscombe, Alex Filous, Peter E. Holder, Joseph Dello Russo, Campbell Morgan, Jeff Kneebone, Aaron J. Adams, Steven J. Cooke, Andy J. Danylchuk

Objective

Shark depredation, the full or partial consumption of a hooked fish by a shark before it is landed, is an increasing source of human–wildlife conflict in recreational fisheries. Reports of shark depredation in the catch-and-release Tarpon (also known as Atlantic Tarpon) Megalops atlanticus fishery in the Florida Keys are increasing, specifically in Bahia Honda, a recreational fishing hot spot and a putative Tarpon prespawning aggregation site.

Methods

Using visual surveys of fishing in Bahia Honda, we quantified depredation rates and drivers of depredation. With acoustic telemetry, we simultaneously tracked 51 Tarpon and 14 Great Hammerheads (also known as Great Hammerhead Sharks) Sphyrna mokarran, the most common shark to depredate Tarpon, to quantify residency and spatial overlap in Bahia Honda.

Result

During the visual survey, 394 Tarpon were hooked. The combined observed shark depredation and immediate postrelease predation rate was 15.3% for Tarpon that were fought longer than 5 min. Survival analysis and decision trees showed that depredation risk was highest in the first 5–12 min of the fight and on the outgoing current. During the spawning season, Great Hammerheads shifted their space use in Bahia Honda to overlap with Tarpon core use areas. Great Hammerheads restricted their space use on the outgoing current when compared to the incoming current, which could drive increased shark–angler interactions.

Conclusion

Bahia Honda has clear ecological importance for both Tarpon and Great Hammerheads as a prespawning aggregation and feeding ground. The observed depredation mortality and postrelease predation mortality raise conservation concerns for the fishery. Efforts to educate anglers to improve best practices, including reducing fight times and ending a fight prematurely when sharks are present, will be essential to increase Tarpon survival and reduce shark–angler conflict.

目标 鲨鱼掠食,即鲨鱼在上岸前全部或部分吃掉上钩的鱼,是休闲渔业中人类与野生动物冲突日益增加的原因。在佛罗里达礁岛群的捕放鲢鱼(又称大西洋鲢)Megalops atlanticus 渔业中,鲨鱼掠食的报告正在增加,特别是在休闲渔业热点和假定的鲢鱼产卵前聚集地 Bahia Honda。 方法 通过对本田湾的捕鱼情况进行目测,我们量化了捕食率和捕食驱动因素。通过声学遥测技术,我们同时跟踪了 51 条白鲢和 14 条大锤头鲨(也称大锤头鲨)Sphyrna mokarran,这是一种最常捕食白鲢的鲨鱼,以量化白鲢在本田湾的居住地和空间重叠情况。 结果 在目测调查期间,有 394 条鲢鱼上钩。对于搏斗时间超过 5 分钟的鲢鱼,观察到的鲨鱼捕食率和释放后立即捕食率合计为 15.3%。生存分析和决策树显示,在搏斗的前 5-12 分钟和逆流时,捕食风险最高。在产卵季节,大锤头鱼改变了它们在本田湾的活动空间,使之与鲢鱼的核心活动区域重叠。大锤头鱼在逆流中的活动空间比在逆流中要小,这可能会增加鲨鱼与钓者之间的互动。 结论 本田湾作为产卵前的聚集地和觅食地,对鲢鱼和大锤头鲨具有明显的生态重要性。观察到的捕食死亡率和释放后的捕食死亡率引起了渔业保护方面的关注。努力教育垂钓者改进最佳做法,包括减少搏斗时间和在鲨鱼出现时提前结束搏斗,对于提高鲢鱼的存活率和减少鲨鱼与垂钓者之间的冲突至关重要。
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引用次数: 0
Age, growth, and mortality of King Mackerel in the western Gulf of Mexico 墨西哥湾西部马鲛鱼的年龄、生长和死亡率
IF 1.7 3区 农林科学 Q2 FISHERIES Pub Date : 2024-01-12 DOI: 10.1002/mcf2.10278
Kesley G. Banks, Matthew K. Streich, Gregory W. Stunz

Objective

Temporal and spatial variation in growth can have significant implications for the assessment and management of exploited populations. Therefore, the age and growth of King Mackerel Scomberomorus cavalla were estimated for the western Gulf of Mexico, where there are large gaps in the available data.

Methods

A total of 727 sagittal otoliths from 411 females, 248 males, and 68 individuals of unknown sex were collected from headboats, private recreational anglers, tournaments, and fishery-independent sampling and aged.

Result

Ages ranged from 0 to 17 years with lengths ranging from 13 to 147 cm fork length. The distribution of lengths and ages differed marginally for fishing sector (i.e., tournament vs. headboat vs. private). The fish that were collected from tournaments were larger than those collected from headboats and private anglers. The distribution of lengths and ages did vary by sex, with females obtaining larger sizes than males. However, there was no difference in mean age by sex. Using the multimodel approach, the Richards model improved the fit for both the youngest and oldest fish in the sample relative to the other growth models that were evaluated. Sex-specific differences in the Richards model were detected, with females growing larger than males but more slowly. Although peak catch was observed at age 5, King Mackerel were not fully recruited to the recreational fishery until age 6. The Chapman-Robson Peak Plus estimate of Z was 0.37.

Conclusion

These data provide a contemporary snapshot of size structure, age, growth, and mortality for King Mackerel from an undersampled region of the Gulf of Mexico and highlight several key considerations for upcoming stock assessments.

目标 生长的时空变化会对开发种群的评估和管理产生重大影响。因此,对墨西哥湾西部的马鲛鱼(Scomberomorus cavalla)的年龄和生长情况进行了估计,因为该地区的现有数据存在很大差距。 方法 从头钓船、私人休闲垂钓者、锦标赛和独立渔业采样中收集了 411 尾雌鱼、248 尾雄鱼和 68 尾性别未知个体的 727 块矢状耳石,并对其进行老化。 结果 年龄从 0 岁到 17 岁不等,叉长从 13 厘米到 147 厘米不等。长度和年龄的分布因捕鱼部门(即锦标赛与头船与私人)而略有不同。从锦标赛收集到的鱼比从翘嘴船和私人垂钓者那里收集到的鱼要大。鱼体长度和年龄的分布因性别而异,雌鱼比雄鱼更大。不过,不同性别的平均年龄没有差异。使用多模型方法,与评估的其他生长模型相比,理查兹模型提高了样本中最年轻和最年长鱼类的拟合度。在理查兹模型中发现了性别差异,雌鱼比雄鱼大,但生长速度更慢。虽然在 5 龄时观测到了捕捞高峰,但马鲛鱼王直到 6 龄才被完全招募到休闲渔业中。查普曼-罗布森峰值加估计 Z 值为 0.37。 结论 这些数据提供了墨西哥湾取样不足地区马鲛鱼的大小结构、年龄、生长和死亡率的当代快照,并强调了即将进行的种群评估的几个关键考虑因素。
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引用次数: 0
Reviewer acknowledgments 审稿人致谢
IF 1.7 3区 农林科学 Q2 FISHERIES Pub Date : 2024-01-07 DOI: 10.1002/mcf2.10281

The editors and editorial board thank the following people who contributed technical reviews of manuscripts submitted to Marine and Coastal Fisheries: Dynamics, Management, and Ecosystem Science during the year ending November 30, 2023.

Robert Allman

Julie Anderson Lively

Joel Anderson

Christine Angelini

Ronaldo Angelini

Michael D. Arendt

Charles Bangley

Partho Protim Barman

Vandick Batista

David Bethoney

Sabrina Beyer

Derek Bolser

Justin Bopp

Jon Brodziak

David Bryan

Michael Burton

David Bushek

Thomas Cameron

Theodore Castro-Santos

Brandon E. Chasco

David Checkley

Victor Cruz Escalona

Matthew Damiano

Nazli Demirel

Kevin Dockendorf

J. Drymon

Will Duguid

Brad Erisman

Elizabeth Figus

Nick Fisch

Jared Flowers

Elizabeth Fulton

Benjamin Gahagan

Lysel Garavelli

Carissa Gervasi

Kristen Gorman

Vincent Guida

Chenying Guo

Adrian Gutteridge

Anna Hagelin

Dana Haggarty

Edward Hale

Matthew Hare

Skyler Hedden

Lisa Izzo

Keith Kamikawa

Alexey Katin

Aimee Keller

Richard Kindong

Nikolai Klibansky

Elise Koob

Jorge Landa

Michael Larkin

Hunter S. Lenihan

Chengxue Li

Bilin Liu

Julia Mason

Jun Matsubayashi

Mark Maunder

Richard McBride

Matthew McMillan

Tobias Mildenberger

Markus Min

Jonathan Mitchell

Hannah Murphy

Matthew Ogburn

Kiva Oken

Jill Olin

Ashley Pacicco

Miquel Palmer

Daryl Parkyn

Lori Polasek

Martin Posey

Joseph Quattro

Rick Rideout

Karina Rodrigues

Jay Rooker

Peter Rubec

Roger Rulifson

Brendan Runde

Shaye Sable

Fran Saborido-Rey

Skyler Sagarese

Rory Saunders

Megan Schall

Fred Scharf

Meagan Schrandt

David Secor

Xiujuan Shan

Burton Shank

Joseph A. M. Smith

Kirk Steffensen

Justin Stevens

Justin Suca

Nick Tolimieri

Jorge Trejo-Martínez

Brittany Troast

Ana Tubio

Sara M. Turner

Mari Carmen Uribe Aranzabal

Quang Van Nguyen

Jessica Vandenberg

Matthew Vincent

Joshua Vine

Johanna Vollenweider

Bill Walton

Joseph Warren

Shannon Whaley

Will White

John Wiedenmann

Benjamin Williams

Amanda Southwood Williard

Ryan Woodland

Wei Yu

Kui Zhang

Viviane Zulian

编辑和编委会感谢以下人员在截至 2023 年 11 月 30 日的一年内对《海洋和沿海渔业》所投稿件的技术审查:Robert AllmanJulie Anderson LivelyJoel AndersonChristine AngeliniRonaldo AngeliniMichael D.ArendtCharles BangleyPartho Protim BarmanVandick BatistaDavid BethoneySabrina BeyerDerek BolserJustin BoppJon BrodziakDavid BryanMichael BurtonDavid BushekThomas CameronTheodore Castro-SantosBrandon E. ChascoDavid CheckleyVictor Cruz EscalonaMatthew DamianoNazli DemirelKevin DockendorfJ.DrymonWill DuguidBrad ErismanElizabeth FigusNick FischJared FlowersElizabeth FultonBenjamin GahaganLysel GaravelliCarissa GervasiKristen GormanVincent GuidaChenying GuoAdrian GutteridgeAnnaHagelinDana HaggartyEdward HaleMatthew HareSkyler HeddenLisa IzzoKeith KamikawaAlexey KatinAimee KellerRichard KindongNikolai KlibanskyElise KoobJorge LandaMichael LarkinHunter S.LenihanChengxue LiBilin LiuJulia MasonJun MatsubayashiMark MaunderRichard McBrideMatthew McMillanTobias MildenbergerMarkus MinJonathan MitchellHannah MurphyMatthew OgburnKiva OkenJillOlinAshley PaciccoMiquel PalmerDaryl ParkynLori PolasekMartin PoseyJoseph QuattroRick RideoutKarina RodriguesJay RookerPeter RubecRoger RulifsonBrendan RundeShaye SableFran Saborido-DoReySkyler SagareseRory SaundersMegan SchallFred ScharfMeagan SchrandtDavid Secor单秀娟Burton ShankJoseph A.M. SmithKirk SteffensenJustin StevensJustin SucaNick TolimieriJorge Trejo-MartínezBrittany TroastAna TubioSara M.TurnerMari Carmen Uribe AranzabalQuang Van NguyenJessica VandenbergMatthew VincentJoshua VineJohanna VollenweiderBill WaltonJoseph WarrenShannon WhaleyWill WhiteJohn WiedenmannBenjamin WilliamsAmanda Southwood WilliardRyan WoodlandWei YuKui ZhangViviane Zulian
{"title":"Reviewer acknowledgments","authors":"","doi":"10.1002/mcf2.10281","DOIUrl":"10.1002/mcf2.10281","url":null,"abstract":"<p>The editors and editorial board thank the following people who contributed technical reviews of manuscripts submitted to <i>Marine and Coastal Fisheries: Dynamics, Management, and Ecosystem Science</i> during the year ending November 30, 2023.</p><p>Robert Allman</p><p>Julie Anderson Lively</p><p>Joel Anderson</p><p>Christine Angelini</p><p>Ronaldo Angelini</p><p>Michael D. Arendt</p><p>Charles Bangley</p><p>Partho Protim Barman</p><p>Vandick Batista</p><p>David Bethoney</p><p>Sabrina Beyer</p><p>Derek Bolser</p><p>Justin Bopp</p><p>Jon Brodziak</p><p>David Bryan</p><p>Michael Burton</p><p>David Bushek</p><p>Thomas Cameron</p><p>Theodore Castro-Santos</p><p>Brandon E. Chasco</p><p>David Checkley</p><p>Victor Cruz Escalona</p><p>Matthew Damiano</p><p>Nazli Demirel</p><p>Kevin Dockendorf</p><p>J. Drymon</p><p>Will Duguid</p><p>Brad Erisman</p><p>Elizabeth Figus</p><p>Nick Fisch</p><p>Jared Flowers</p><p>Elizabeth Fulton</p><p>Benjamin Gahagan</p><p>Lysel Garavelli</p><p>Carissa Gervasi</p><p>Kristen Gorman</p><p>Vincent Guida</p><p>Chenying Guo</p><p>Adrian Gutteridge</p><p>Anna Hagelin</p><p>Dana Haggarty</p><p>Edward Hale</p><p>Matthew Hare</p><p>Skyler Hedden</p><p>Lisa Izzo</p><p>Keith Kamikawa</p><p>Alexey Katin</p><p>Aimee Keller</p><p>Richard Kindong</p><p>Nikolai Klibansky</p><p>Elise Koob</p><p>Jorge Landa</p><p>Michael Larkin</p><p>Hunter S. Lenihan</p><p>Chengxue Li</p><p>Bilin Liu</p><p>Julia Mason</p><p>Jun Matsubayashi</p><p>Mark Maunder</p><p>Richard McBride</p><p>Matthew McMillan</p><p>Tobias Mildenberger</p><p>Markus Min</p><p>Jonathan Mitchell</p><p>Hannah Murphy</p><p>Matthew Ogburn</p><p>Kiva Oken</p><p>Jill Olin</p><p>Ashley Pacicco</p><p>Miquel Palmer</p><p>Daryl Parkyn</p><p>Lori Polasek</p><p>Martin Posey</p><p>Joseph Quattro</p><p>Rick Rideout</p><p>Karina Rodrigues</p><p>Jay Rooker</p><p>Peter Rubec</p><p>Roger Rulifson</p><p>Brendan Runde</p><p>Shaye Sable</p><p>Fran Saborido-Rey</p><p>Skyler Sagarese</p><p>Rory Saunders</p><p>Megan Schall</p><p>Fred Scharf</p><p>Meagan Schrandt</p><p>David Secor</p><p>Xiujuan Shan</p><p>Burton Shank</p><p>Joseph A. M. Smith</p><p>Kirk Steffensen</p><p>Justin Stevens</p><p>Justin Suca</p><p>Nick Tolimieri</p><p>Jorge Trejo-Martínez</p><p>Brittany Troast</p><p>Ana Tubio</p><p>Sara M. Turner</p><p>Mari Carmen Uribe Aranzabal</p><p>Quang Van Nguyen</p><p>Jessica Vandenberg</p><p>Matthew Vincent</p><p>Joshua Vine</p><p>Johanna Vollenweider</p><p>Bill Walton</p><p>Joseph Warren</p><p>Shannon Whaley</p><p>Will White</p><p>John Wiedenmann</p><p>Benjamin Williams</p><p>Amanda Southwood Williard</p><p>Ryan Woodland</p><p>Wei Yu</p><p>Kui Zhang</p><p>Viviane Zulian</p>","PeriodicalId":51257,"journal":{"name":"Marine and Coastal Fisheries","volume":"15 6","pages":""},"PeriodicalIF":1.7,"publicationDate":"2024-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/mcf2.10281","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139397676","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Red Snapper connectivity in the Gulf of Mexico 墨西哥湾红鲷鱼的连通性
IF 1.7 3区 农林科学 Q2 FISHERIES Pub Date : 2023-12-27 DOI: 10.1002/mcf2.10275
Ana C. Vaz, Mandy Karnauskas, Matthew Smith, LaTreese S. Denson, Claire B. Paris, Matthieu Le Hénaff, Kate Siegfried

Objective

Red Snapper Lutjanus campechanus is a valued, heavily exploited fish species in the Gulf of Mexico. The species is distributed over a wide variety of habitats through its life history, and current evidence suggests moderate to high site fidelity, with particularly small home ranges and high residency times when fish are associated with reef structures. Given these life history traits, it is not surprising that within the gulf, there is evidence that the overall population is composed of multiple subpopulations. Thus, dispersal of early life stages plays an important role in the Red Snapper gulf population structure and dynamics, as embryo and larvae can be transported for longer distances, driving stock mixing and supplying recruits to sustain and replenish local subpopulations. Here, we assess the connectivity patterns of Red Snapper driven by larval dispersal in the Gulf of Mexico by simulating dispersal and recruitment.

Methods

This study employs a modeling approach to examine the probabilistic connectivity patterns of Red Snapper influenced by larval dispersal in the Gulf of Mexico. It investigates the impact of local oceanography, species behavior, and demographics on Red Snapper population structure. We estimate the spatial characteristics of Red Snapper dispersal, quantifying connectivity and larval supply fluxes between management jurisdictions, including state boundaries and the three-area boundaries recently selected during the stock identification portion of the Gulf of Mexico Red Snapper Research Track Assessment. We use the modeled probability of settlement as a proxy for recruitment.

Result

Our results indicate that Red Snapper recruitment occurs mostly close to their spawning sites (median distance 80 km). Simulated dispersal revealed exchange of Red Snapper larvae across state boundaries, with Alabama, Mississippi, and Louisiana receiving a considerable supply of recruits from other states. Finally, estimation of subpopulations based on larval exchange support the areal divisions used within the research track stock assessment.

Conclusion

Our results suggest that interstate cooperation in heavily connected regions could benefit management of the species by optimizing sustainable exploitation across the Gulf of Mexico.

目标 红鲷鱼(Lutjanus campechanus)是墨西哥湾一种重要的、被大量开发的鱼类。该鱼种在其生活史中分布于多种栖息地,目前的证据表明,其对栖息地的忠诚度为中度到高度,当鱼类与珊瑚礁结构相关联时,其家庭范围特别小,停留时间特别长。鉴于这些生活史特征,在海湾内,有证据表明总体种群由多个亚种群组成,这并不奇怪。因此,早期生命阶段的扩散在红鲷鱼海湾种群结构和动态中发挥着重要作用,因为胚胎和幼鱼可以被运输到更远的地方,推动种群混合,并为维持和补充当地亚种群提供新成员。在此,我们通过模拟散布和招募来评估墨西哥湾由幼体散布驱动的红鲷鱼连通模式。 方法 本研究采用建模方法,研究墨西哥湾红鲷受幼体扩散影响的概率连接模式。它研究了当地海洋学、物种行为和人口统计学对红鲷鱼种群结构的影响。我们估算了红鲷扩散的空间特征,量化了管理辖区之间的连通性和幼体供应通量,包括州界和最近在墨西哥湾红鲷研究跟踪评估的种群鉴定部分选定的三个区域边界。我们使用建模的定居概率作为招募的替代指标。 结果 我们的研究结果表明,红鲷鱼的繁殖主要发生在其产卵地点附近(中位数距离为 80 千米)。模拟散布表明,红鲷鱼幼体会跨州交换,阿拉巴马州、密西西比州和路易斯安那州从其他州接收了大量新鱼种。最后,根据幼体交换对亚种群的估计支持了研究轨迹种群评估中使用的区域划分。 结论 我们的研究结果表明,在联系紧密的地区开展州际合作,可以优化整个墨西哥湾的可持续开发,从而有利于物种管理。
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引用次数: 0
Sometimes (often?) responses to multiple stressors can be predicted from single-stressor effects: A case study using an agent-based population model of croaker in the Gulf of Mexico 有时(经常?)可以从单一压力的影响中预测对多种压力的反应:使用基于代理的墨西哥湾大黄鱼种群模型进行案例研究
IF 1.7 3区 农林科学 Q2 FISHERIES Pub Date : 2023-12-26 DOI: 10.1002/mcf2.10260
Kenneth A. Rose

Objective

Rapid changes in the world's oceans make assessment of fish population responses to multiple stressors, especially on scales relevant to management, increasingly important. I used an existing agent-based, spatially explicit model of Atlantic Croaker Micropogonias undulatus in the northern Gulf of Mexico to examine how temperature, hypoxia, and ocean acidification, singly and in combinations, affect long-term population dynamics.

Methods

I performed a factorial simulation experiment with each stressor at three levels and analyzed various treatment combinations to assess the additivity and multiplicity of interactions. The response variables were long-term equilibrium (final year) values of spawning stock biomass (SSB), recruitment, weight at age, and two measures of stock productivity (recruits per SSB and maximum recruitment) derived from the spawner–recruit relationship fitted to model output. I used the single-stressor effects from the experiment to predict how the response variables would change when all three stressors were changed. Single-stressor effects were combined as the sum of the fractional changes (additive scale) and the product of ratios of changes (multiplicative scale) and compared to the responses in simulations with all stressors imposed.

Result

Analyzing the factorial design for two-way and three-way interactions showed that there were many interactions on the additive scale but very few on the multiplicative scale. Thus, the responses to multiple stressors were well predicted from single stressor effects when combined as multiplicative effects.

Conclusion

I discuss how the lack of strong interactions could be due to model assumptions, the structure of the model, or oversimplified representation of stressor effects. Alternatively, the model and analysis may be sufficiently realistic and weak interactions on the multiplicative scale may be common. This would reduce a complicated multi-factor situation to a series of more tractable single-factor effects. A critical next step is to determine how we can a priori identify situations of low interactions (i.e., predictable from single-stressor effects) without having to already know the multi-stressor response.

目标 世界海洋的快速变化使得评估鱼类种群对多种压力因素的反应变得越来越重要,尤其是在与管理相关的尺度上。我利用墨西哥湾北部大西洋大黄鱼(Micropogonias undulatus)现有的基于代理的空间显式模型,研究温度、缺氧和海洋酸化单独或组合如何影响长期种群动态。 方法 我进行了一个因子模拟实验,将每种压力因子分为三个等级,并分析了各种处理组合,以评估相互作用的加成性和多重性。响应变量为产卵种群生物量(SSB)的长期平衡值(最后一年)、新陈代谢量、龄重以及根据模型输出结果拟合的产卵者-新陈代谢关系得出的两种种群生产力测量值(每 SSB 新陈代谢量和最大新陈代谢量)。我利用实验中的单一胁迫效应来预测当所有三个胁迫因素都发生变化时,响应变量将如何变化。将单一胁迫效应合并为分数变化之和(加法标度)和变化比率之积(乘法标度),并与施加所有胁迫时的模拟反应进行比较。 结果 对双向和三向相互作用的因子设计进行分析表明,在加法尺度上存在许多相互作用,但在乘法尺度上却很少。因此,当把多种压力因素组合成乘法效应时,对多种压力因素的反应可以很好地从单一压力因素效应中预测出来。 在结论中,我讨论了缺乏强烈的相互作用可能是由于模型假设、模型结构或过度简化了压力源效应的表述。另一种情况是,模型和分析可能足够现实,乘法尺度上的微弱相互作用可能很常见。这将把复杂的多因素情况简化为一系列更容易理解的单因素效应。下一步的关键是确定我们如何先验地识别低交互作用的情况(即从单因子效应中可以预测的情况),而不必已经知道多因子的反应。
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引用次数: 0
Action science in practice: Co-production of a decision support tool visualizing effects of nutrient and hypoxia reduction goals on fisheries species 实践中的行动科学:共同制作决策支持工具,可视化减少营养和缺氧目标对渔业物种的影响
IF 1.7 3区 农林科学 Q2 FISHERIES Pub Date : 2023-12-22 DOI: 10.1002/mcf2.10262
Michelle Shaffer, Sara Mariott, Kristy A. Lewis, Joe Buszowski, Kim de Mutsert
The Gulf of Mexico hosts some of the most productive fisheries in the United States, whereas the same region is known to experience environmental stressors, such as summer hypoxia. Ecosystem models have been developed for the Gulf of Mexico to determine how hypoxia affects living marine resources, but these models and their output are not always easy to access or interpret by managers, thereby decreasing their implementation in a management setting. To help alleviate the gap between ecosystem model development and management utility, the current study focuses on co-produced, user-friendly tools that describe the effects of nutrient and hypoxia reductions on marine living resources.
墨西哥湾拥有美国一些最富饶的渔业资源,但该地区也存在环境压力,如夏季缺氧。人们已经为墨西哥湾开发了生态系统模型,以确定缺氧对海洋生物资源的影响,但这些模型及其输出结果并不总是易于管理者获取或解读,从而降低了其在管理环境中的应用。为了帮助缩小生态系统模型开发与管理实用性之间的差距,目前的研究侧重于共同制作用户友好型工具,以描述减少营养物质和缺氧对海洋生物资源的影响。
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引用次数: 0
Action science in practice: Co-production of a decision support tool visualizing effects of nutrient and hypoxia reduction goals on fisheries species 实践中的行动科学:共同制作决策支持工具,可视化减少营养和缺氧目标对渔业物种的影响
IF 1.7 3区 农林科学 Q2 FISHERIES Pub Date : 2023-12-22 DOI: 10.1002/mcf2.10262
Michelle Shaffer, Sara Mariott, Kristy A. Lewis, Joe Buszowski, Kim de Mutsert

Objective

The Gulf of Mexico hosts some of the most productive fisheries in the United States, whereas the same region is known to experience environmental stressors, such as summer hypoxia. Ecosystem models have been developed for the Gulf of Mexico to determine how hypoxia affects living marine resources, but these models and their output are not always easy to access or interpret by managers, thereby decreasing their implementation in a management setting. To help alleviate the gap between ecosystem model development and management utility, the current study focuses on co-produced, user-friendly tools that describe the effects of nutrient and hypoxia reductions on marine living resources.

Methods

Two decisions were made prior to the ecosystem model development to facilitate the transfer of model output: (1) to engage and consult fisheries and restoration managers throughout ecosystem model development to ensure that the output would provide relevant information; and (2) to provide an accessible visualization tool for making ecosystem model output readily available to support the needs of decision makers.

Result

Results from an advisory panel survey instrument and advisory panel meetings guided ecosystem model development and launched the development of a decision support tool. The iterative process of building a decision support tool incorporating feedback from survey instrument respondents resulted in an ESRI ArcGIS Dashboard that allows end-users to identify the effects of hypoxia and respondent-specified nutrient and hypoxia reduction goals on the biomass and distribution of fisheries species.

Conclusion

The intent is to aid managers who are actively working to address hypoxia in the Gulf of Mexico with easy-to-access information on the effects of planned actions and to encourage future modelers to apply action science principles to best address the needs of decision makers.

墨西哥湾拥有美国一些最富饶的渔业资源,但该地区也存在环境压力,如夏季缺氧。已为墨西哥湾开发了生态系统模型,以确定缺氧如何影响海洋生物资源,但这些模型及其输出结果并不总是易于管理者访问或解释,从而降低了其在管理环境中的应用。为帮助缓解生态系统模型开发与管理实用性之间的差距,本研究侧重于共同制作用户友好型工具,以描述营养物质和缺氧减少对海洋生物资源的影响:(1) 在整个生态系统模型开发过程中,让渔业和恢复管理者参与进来并征求他们的意见,以确保输出结果能够提供相关信息;(2) 提供一个易于使用的可视化工具,使生态系统模型输出结果能够随时满足决策者的需求。决策支持工具的迭代开发过程吸收了调查问卷受访者的反馈意见,最终形成了 ESRI ArcGIS 控制面板,使最终用户能够识别缺氧和受访者指定的营养和缺氧减少目标对渔业物种的生物量和分布的影响。
{"title":"Action science in practice: Co-production of a decision support tool visualizing effects of nutrient and hypoxia reduction goals on fisheries species","authors":"Michelle Shaffer,&nbsp;Sara Mariott,&nbsp;Kristy A. Lewis,&nbsp;Joe Buszowski,&nbsp;Kim de Mutsert","doi":"10.1002/mcf2.10262","DOIUrl":"10.1002/mcf2.10262","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Objective</h3>\u0000 \u0000 <p>The Gulf of Mexico hosts some of the most productive fisheries in the United States, whereas the same region is known to experience environmental stressors, such as summer hypoxia. Ecosystem models have been developed for the Gulf of Mexico to determine how hypoxia affects living marine resources, but these models and their output are not always easy to access or interpret by managers, thereby decreasing their implementation in a management setting. To help alleviate the gap between ecosystem model development and management utility, the current study focuses on co-produced, user-friendly tools that describe the effects of nutrient and hypoxia reductions on marine living resources.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Two decisions were made prior to the ecosystem model development to facilitate the transfer of model output: (1) to engage and consult fisheries and restoration managers throughout ecosystem model development to ensure that the output would provide relevant information; and (2) to provide an accessible visualization tool for making ecosystem model output readily available to support the needs of decision makers.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Result</h3>\u0000 \u0000 <p>Results from an advisory panel survey instrument and advisory panel meetings guided ecosystem model development and launched the development of a decision support tool. The iterative process of building a decision support tool incorporating feedback from survey instrument respondents resulted in an ESRI ArcGIS Dashboard that allows end-users to identify the effects of hypoxia and respondent-specified nutrient and hypoxia reduction goals on the biomass and distribution of fisheries species.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>The intent is to aid managers who are actively working to address hypoxia in the Gulf of Mexico with easy-to-access information on the effects of planned actions and to encourage future modelers to apply action science principles to best address the needs of decision makers.</p>\u0000 </section>\u0000 </div>","PeriodicalId":51257,"journal":{"name":"Marine and Coastal Fisheries","volume":"15 6","pages":""},"PeriodicalIF":1.7,"publicationDate":"2023-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/mcf2.10262","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139013292","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A unified framework and terminology for reproductive traits integral to understanding fish population productivity 了解鱼类种群生产力不可或缺的生殖特征统一框架和术语
IF 1.7 3区 农林科学 Q2 FISHERIES Pub Date : 2023-12-12 DOI: 10.1002/mcf2.10276
Susan K. Lowerre-Barbieri, Nancy J. Brown-Peterson, David M. Wyanski, Heather E. Moncrief-Cox, Kevin J. Kolmos, Hayden S. Menendez, Beverly K. Barnett, Claudia Friess

Objective

This paper highlights the complexity of marine fish spawner–recruit systems and how they vary across species and ecosystems while providing a universal terminology and framework to evaluate fish reproduction. We emphasize the gonadal development important to assess maturity, fecundity, where and when fish spawn, and transition and sex assignment in protogynous species.

Methods

We review and compare reproductive traits in warmwater and coldwater fishes. Reproductive phases for both sexes and protogynous species are defined and histological micrographs presented. New methods are developed to assess maturity; spawning seasonality; peak spawning; and, for protogynous species, sex assignment.

Result

Protogyny, extended spawning seasons, and indeterminate fecundity are more common in warmwater than coldwater systems. The following reproductive phases are defined as immature, transitional (sex change), early developing (the first stage of entrainment in the reproductive cycle), late developing (stages needed to complete maturational competence), spawning, regressing (spawning season termination), and regenerating (fish that are mature but outside of the spawning season). A method to assess the certainty of maturity assignment based on reproductive phase and the age and size range sampled is presented, as are best practices to estimate size and age at maturity. To remove the subjectivity from current methods to estimate spawning seasonality, we present a new quantitative method to identify the core spawning season and peak spawning months.

Conclusion

A species’ ability to adapt to fishing and climate change varies with their reproductive strategy. Improving our understanding of fish reproduction necessitates standardizing methodology and terminology.

本文强调了海洋鱼类产卵-生殖系统的复杂性,以及不同物种和生态系统之间的差异,同时提供了评估鱼类生殖的通用术语和框架。我们强调性腺发育对评估成熟度、繁殖力、产卵地点和时间以及原雌性物种的过渡和性别分配非常重要。 方法 我们回顾并比较了暖水鱼类和冷水鱼类的生殖特征。定义了雌雄鱼类和原雌鱼类的生殖阶段,并展示了组织学显微照片。我们还开发了新的方法来评估成熟度、产卵季节性、产卵高峰以及原雌性物种的性别分配。 结果 与冷水系统相比,原雌性、产卵季节延长和繁殖力不确定在暖水系统中更为常见。以下生殖阶段被定义为未成熟期、过渡时期(变性)、早期发育期(生殖周期的第一阶段)、晚期发育期(完成成熟能力所需的阶段)、产卵期、退行期(产卵期终止)和再生期(鱼类成熟但不在产卵期)。本报告介绍了一种根据繁殖阶段、采样年龄和大小范围评估成熟度确定性的方法,以及估计成熟时大小和年龄的最佳做法。为了消除目前估计产卵季节性方法的主观性,我们提出了一种新的定量方法来确定核心产卵季节和产卵高峰月份。 结论 鱼类适应渔业和气候变化的能力因其繁殖策略而异。要加深我们对鱼类繁殖的了解,就必须实现方法和术语的标准化。
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引用次数: 0
Climate effects on the timing of Maryland Striped Bass spawning runs 气候对马里兰条纹鲈鱼产卵时间的影响
IF 1.7 3区 农林科学 Q2 FISHERIES Pub Date : 2023-11-20 DOI: 10.1002/mcf2.10274
Angela Giuliano

Objective

Chesapeake Bay water temperatures have increased through time, and under various climate change scenarios they are projected to increase by an additional 2–6°C by the end of the 21st century. Previous work has shown that water temperatures are the primary trigger for Striped Bass Morone saxatilis spawning.

Methods

Using spawning stock survey data (1985–2020) from the Potomac River and upper Chesapeake Bay and temperature data from an ichthyoplankton survey (sampled non-continuously between 1954 and 2021) in the Nanticoke and Choptank rivers, this study examined how water temperature milestones that are important for Striped Bass spawning have changed over time as well as how selectivity-corrected total female catch per unit effort has shifted with changes in water temperature and the age structure of the stock.

Result

Water temperatures observed in the spawning stock survey were lower in the 1980s and 1990s and have been higher since the 2000s. A significant change in timing of the start of spawning was not detected in the spawning stock survey data, but a significant change was found in the timing of the end of spawning, suggesting that the spawning season has shortened. In addition, the date on which the last prespawn female was observed on the spawning grounds has also occurred earlier in the year since the 2000s. Results from the long-term temperature data collected in the Choptank and Nanticoke rivers only showed a significant change through time for the start of spawning in the Nanticoke River.

Conclusion

While these changes could affect egg and larval Striped Bass survival either through either direct mortality due to water temperature or changes in the timing of zooplankton blooms, the effects of climate change could be mitigated by having a broad range of spawning ages to maximize the chances that larval Striped Bass matching with prey availability.

切萨皮克湾水温随着时间的推移而升高,在各种气候变化情景下,预计到21世纪末水温将再升高2-6°C。先前的研究表明水温是斑纹鲈鱼产卵的主要诱因。方法利用1985-2020年波托马克河和切萨皮克湾上游的产卵种群调查数据,以及1954 - 2021年非连续取样的Nanticoke河和Choptank河浮游鱼调查数据,这项研究考察了对条纹鲈鱼产卵至关重要的水温里程碑是如何随着时间的推移而变化的,以及经过选择性校正的单位努力的雌性总渔获量是如何随着水温和种群年龄结构的变化而变化的。结果产卵种群调查的水温在20世纪80年代和90年代较低,21世纪以来水温有所升高。在产卵种群调查数据中没有发现产卵开始时间的重大变化,但在产卵结束时间上发现了重大变化,这表明产卵季节缩短了。此外,自2000年代以来,在产卵地观察到最后一只产卵前雌性的日期也发生在每年的早些时候。在Choptank和Nanticoke河中收集的长期温度数据的结果仅显示了Nanticoke河中产卵开始的显著变化。结论这些变化可能通过水温的直接死亡或浮游动物繁殖时间的变化影响条纹鲈鱼卵和幼鱼的生存,但可以通过广泛的产卵年龄范围来减轻气候变化的影响,从而最大限度地提高条纹鲈鱼幼鱼与猎物匹配的机会。
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引用次数: 0
期刊
Marine and Coastal Fisheries
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