Fisheries Management and Ecology最新文献_第10页

Increased fishing quality of Chicago's waterways following the Clean Water Act 《清洁水法》实施后，芝加哥水道的捕鱼质量提高

IF 2 3区农林科学

Fisheries Management and Ecology Pub Date : 2023-05-29 DOI: 10.1111/fme.12635

A. Happel, P. J. Kennedy

引用次数: 0

In-stream population structuring of Lake Sturgeon in Northern Manitoba, Canada 加拿大马尼托巴北部鲟鱼湖的流内种群结构

IF 2 3区农林科学

Fisheries Management and Ecology Pub Date : 2023-05-21 DOI: 10.1111/fme.12632

Patrick A. Nelson, Thierry Gosselin, Craig A. McDougall, Louis Bernatchez

{"title":"In-stream population structuring of Lake Sturgeon in Northern Manitoba, Canada","authors":"Patrick A. Nelson, Thierry Gosselin, Craig A. McDougall, Louis Bernatchez","doi":"10.1111/fme.12632","DOIUrl":"10.1111/fme.12632","url":null,"abstract":"The Lake Sturgeon is a long-lived, late-maturing fish that declined significantly in abundance over the past 150 years. Since the 1990s, stocking has been used to recover numerous Lake Sturgeon populations across North America. Ill-informed genetic mixing among populations can have unintended negative consequences, so a genotype-by-sequencing (GBS) study was undertaken to help guide the stocking strategy for Lake Sturgeon on the 653-km-long Nelson River, Manitoba. Tissue samples collected from 416 adults captured from 12 locations along the Nelson River, and from the Hayes and Churchill rivers that also empty into Hudson Bay, were sequenced using Illumina technology. A bioinformatics pipeline yielded 5637 high-quality filtered markers. Genetic differentiation (overall mean FST of 0.028; a range of means: 0–0.16) revealed spatial structuring among and within rivers. Two populations were found in the upper Nelson River, two more in the middle Nelson, and one in the lower Nelson. Discriminant analysis of principal components revealed first-generation migrants and a general lack of effective dispersal, which raises questions about historical versus contemporary influence. Lake Sturgeon stocking in northern Manitoba should avoid mixing among rivers and among Nelson River sections.","PeriodicalId":50444,"journal":{"name":"Fisheries Management and Ecology","volume":"30 4","pages":"406-422"},"PeriodicalIF":2.0,"publicationDate":"2023-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43208478","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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: 1

Bomb radiocarbon dating reveals 40-year lifespan of Shovelnose Sturgeon (Scaphirhynchus platorynchus)—Implications for stock assessments of long-lived, primitive fishes 炸弹放射性碳定年法揭示了铲鼻鲟40年的寿命——对长寿原始鱼类种群评估的启示

IF 2 3区农林科学

Fisheries Management and Ecology Pub Date : 2023-05-16 DOI: 10.1111/fme.12633

Ryan N. Hupfeld, Alec R. Lackmann, Allen H. Andrews, Caroline Welte, Gene Jones

{"title":"Bomb radiocarbon dating reveals 40-year lifespan of Shovelnose Sturgeon (Scaphirhynchus platorynchus)—Implications for stock assessments of long-lived, primitive fishes","authors":"Ryan N. Hupfeld, Alec R. Lackmann, Allen H. Andrews, Caroline Welte, Gene Jones","doi":"10.1111/fme.12633","DOIUrl":"10.1111/fme.12633","url":null,"abstract":"Stock assessments for Shovelnose Sturgeon have largely been limited to age and growth analyses using pectoral fin rays despite potential underestimation of age and lack of age validation. Fisheries stock assessments rely on accurate estimates of vital rates for effective fisheries management, within which fish age and lifespan are of primary importance. Age was estimated using pectoral fin rays and otolith sections, and bomb radiocarbon (14C) dating was applied to otolith cores to determine lifespan and validate ages. Age reading of fin rays was straightforward, whereas most otolith thin sections provided two age-reading scenarios: lumping (primary increments) or splitting (finer increments) presumed annuli. While fin-ray estimates led to a maximum age of 14 years, otolith estimates led to maximum ages of 27 and 42 years. 14C dating provided support for a combination of lumping early in life, to splitting in later years, and validation of a ~40-year lifespan. Age reading of otoliths was imprecise and resulted in ~40% of thin sections that were not age scoreable. However, scoreable otolith sections, coupled with 14C dating, resulted in growth and lifespan information that are the most accurate to date for Shovelnose Sturgeon and can be used as a baseline toward stock assessment refinements.","PeriodicalId":50444,"journal":{"name":"Fisheries Management and Ecology","volume":"30 4","pages":"423-435"},"PeriodicalIF":2.0,"publicationDate":"2023-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47563489","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Life history and stock synthesis assessment of Prionotus punctatus (Teleostei, Triglidae) in southern Brazil 巴西南部斑点Prionotus (Teleostei, Triglidae)生活史及种群综合评价

IF 2 3区农林科学

Fisheries Management and Ecology Pub Date : 2023-05-12 DOI: 10.1111/fme.12631

Andrea Renata Rodriguez, Manuel Haimovici, Eidi Kikuchi, Rodrigo Sant'Ana, Bruno L. Mourato, Jose Angel Alvarez Perez, Luís Gustavo Cardoso

{"title":"Life history and stock synthesis assessment of Prionotus punctatus (Teleostei, Triglidae) in southern Brazil","authors":"Andrea Renata Rodriguez, Manuel Haimovici, Eidi Kikuchi, Rodrigo Sant'Ana, Bruno L. Mourato, Jose Angel Alvarez Perez, Luís Gustavo Cardoso","doi":"10.1111/fme.12631","DOIUrl":"10.1111/fme.12631","url":null,"abstract":"Age, growth, and maturity of the bluewing searobin Prionotus punctatus were studied to assess its stock status in southern Brazil. Total length compositions, weight, sex, and maturity stage were recorded from commercial landings, and ages were estimated from transverse sections of the sagittal otolith. The oldest observed specimen was a 12-year-old female. Females grew to a larger asymptotic length (L∞ = 384.4 mm) than males (L∞ = 311.7 mm) but at a slower instantaneous rate (kfemales = 0.41 year−1, kmales = 0.75 year−1). Reproduction occurred from spring to early fall. Females size- and age-at-maturity was estimated at 246.8 mm and 1.66 years, while males were at 237.2 mm and 1.38 years. Based on a statistical catch-at-age stock assessment, the spawning biomass declined 84% from 1976 to 2000 being classified as overfished and suffering from overfishing (B/Bmsy = 0.62; F/Fmsy >1). P. punctatus was regularly discarded by industrial fisheries before 2000 but suffered from high exploitation in the last decades. These results highlight the need for the species to be included in Brazil's fishery management plans.","PeriodicalId":50444,"journal":{"name":"Fisheries Management and Ecology","volume":"30 4","pages":"392-405"},"PeriodicalIF":2.0,"publicationDate":"2023-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43715100","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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: 2

Handling of wild Atlantic salmon smolts reduced marine survival more than hydropower turbine passage 处理野生大西洋鲑鱼幼崽比水力涡轮机通道更能减少海洋生存

IF 2 3区农林科学

Fisheries Management and Ecology Pub Date : 2023-04-27 DOI: 10.1111/fme.12628

Tormod Haraldstad, Kurt Johansen, Knut Wiik Vollset

{"title":"Handling of wild Atlantic salmon smolts reduced marine survival more than hydropower turbine passage","authors":"Tormod Haraldstad, Kurt Johansen, Knut Wiik Vollset","doi":"10.1111/fme.12628","DOIUrl":"10.1111/fme.12628","url":null,"abstract":"Atlantic salmon smolts are sensitive to disturbance during their migration and negative effects experienced in freshwater may carry over into the marine environment. In this study, smolts were PIT-tagged and detected during their subsequent spawning migration. A generalized linear model fitted to the return data predicted a return probability of 0.091 ± 0.0061 (±SE) for smolt that was released downstream of a hydropower dam. The additional effect of migrating through a Kaplan turbine associated with hydroelectric generation did not significantly reduce return rates, while the additional effect of being handled twice in a trap was significant and lowered the predicted return probability to 0.057 ± 0.0079 (±SE; model predictions from logistic regression). Catch-mark-recapture methods such as those using physical recapture of fish should be applied with great care to avoid multiple handling stress that may lead to reduced marine survival and biasing estimates intended to help monitor population statuses. Moreover, similar return rates in turbine and bypass migrating smolts emphasize that more knowledge is needed when evaluating mitigation actions for migratory fish at hydropower plants.","PeriodicalId":50444,"journal":{"name":"Fisheries Management and Ecology","volume":"30 4","pages":"353-359"},"PeriodicalIF":2.0,"publicationDate":"2023-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44073261","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Assessment of women's contribution in small-scale fisheries in Indian Sundarbans: Issues, strategies, and way forward for sustainability 评估妇女在印度孙德尔本斯小规模渔业中的贡献：可持续性的问题、战略和前进道路

IF 2 3区农林科学

Fisheries Management and Ecology Pub Date : 2023-04-25 DOI: 10.1111/fme.12630

Aparna Roy, Ranjan K. Manna, Souvik Ghosh, Sanjeev K. Sahu, Basanta K. Das

{"title":"Assessment of women's contribution in small-scale fisheries in Indian Sundarbans: Issues, strategies, and way forward for sustainability","authors":"Aparna Roy, Ranjan K. Manna, Souvik Ghosh, Sanjeev K. Sahu, Basanta K. Das","doi":"10.1111/fme.12630","DOIUrl":"10.1111/fme.12630","url":null,"abstract":"In five islands of Indian Sundarbans, issues were identified related to women fishers associated with small-scale fisheries (SSF) and strategies were formulated to address them in the context of “Voluntary Guidelines for Securing Sustainable Small-Scale Fisheries” formulated by FAO being followed by signatory nations. Women were actively involved in different fisheries-related sectors for earning their livelihoods. Despite the significant contribution of women in livelihood and nutritional security, their roles are often unrecognized leading to unfair distribution of benefits between men and women. The strategic and practical gender constraints were identified; “lack of awareness and low social participation” was the major factor as perceived by women fishers with the highest score (86.06). It was identified that gender-sensitive extension approaches, training methodologies, and region-specific appropriate technologies are to be applied to uplift the women members of the fishers' community associated with SSF. The aforesaid findings may be considered as precursors for formulating location-specific strategies to address the gender gap and to create gender equality in SSF that will lead to increased productivity and sustainability of SSF across the world.","PeriodicalId":50444,"journal":{"name":"Fisheries Management and Ecology","volume":"30 4","pages":"378-391"},"PeriodicalIF":2.0,"publicationDate":"2023-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48336220","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Does treatment of brown trout with the parasite causing PKD increase stocking success and boost resilience against the disease? 用引起PKD的寄生虫治疗褐鳟鱼是否能增加放养成功率并提高抵抗疾病的能力？

IF 2 3区农林科学

Fisheries Management and Ecology Pub Date : 2023-04-20 DOI: 10.1111/fme.12626

Albert Ros, Jan Baer, Alexander Brinker

引用次数: 0

Does treatment of brown trout with the parasite causing PKD increase stocking success and boost resilience against the disease? 用引起PKD的寄生虫处理褐鳟是否能提高放养成功率并增强对该疾病的抵御能力?

IF 2 3区农林科学

Fisheries Management and Ecology Pub Date : 2023-04-20 DOI: 10.1111/fme.12626

A. Ros, J. Baer, A. Brinker

引用次数: 0

True insights or ticking boxes? Rapid assessment of rights-based management in artisanal fisheries 真知灼见还是打勾?快速评估基于权利的个体渔业管理

IF 2 3区农林科学

Fisheries Management and Ecology Pub Date : 2023-04-19 DOI: 10.1111/fme.12627

Andrés M. Cisneros-Montemayor, Eréndira Aceves-Bueno, Sergio Amezcua-Castro, Alejandra Apolinar-Romo, Frida Cisneros-Soberanis, Gabriela A. Cuevas-Gómez, Ingrid C. Cruz-León, Javier De La Cruz-González, Alejandro Espinoza-Tenorio, Alejandro García-Lozano, Pedro C. González-Espinosa, Miguel A. Cisneros-Mata

{"title":"True insights or ticking boxes? Rapid assessment of rights-based management in artisanal fisheries","authors":"Andrés M. Cisneros-Montemayor, Eréndira Aceves-Bueno, Sergio Amezcua-Castro, Alejandra Apolinar-Romo, Frida Cisneros-Soberanis, Gabriela A. Cuevas-Gómez, Ingrid C. Cruz-León, Javier De La Cruz-González, Alejandro Espinoza-Tenorio, Alejandro García-Lozano, Pedro C. González-Espinosa, Miguel A. Cisneros-Mata","doi":"10.1111/fme.12627","DOIUrl":"10.1111/fme.12627","url":null,"abstract":"Rights-based fisheries management (RBFM) seeks to create market incentives to reduce competition, avoid overexploitation, and increase economic efficiency. Particularly for artisanal fisheries, however, assumptions of RBFM may not be met and its use needs to be carefully considered. This study applies an existing tool (SEASALT) to evaluate the strength of RBFM based on attributes of security, exclusivity, fish mortality, scale, responsibility, limitations, and transferability. Results for 17 fisheries in Mexico show a positive (nonsignificant) relationship between the strength of RBFM and stock status, and no effect on prices or landed value. Real-world fisheries governance systems are much more complex than the simple linkages between attributes implied in SEASALT, but results highlight pre-existing monitoring and enforcement capacity as essential for successful RBFM. Transitions to RBFM may strengthen this capacity, but likely cannot create it where it does not already exist. Based on our findings, RBFM strategies may benefit from group quotas with limited transferability to avoid negative social outcomes from consolidation or rent capture by intermediaries; this could potentially build on the latent capacity of traditional community associations common in many artisanal fisheries.","PeriodicalId":50444,"journal":{"name":"Fisheries Management and Ecology","volume":"30 4","pages":"338-352"},"PeriodicalIF":2.0,"publicationDate":"2023-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/fme.12627","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44769685","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

Adding to the mix – Challenges of mixed-fisheries management in the North Sea under climate change and technical interactions 气候变化和技术相互作用下北海混合渔业管理的挑战

IF 2 3区农林科学

Fisheries Management and Ecology Pub Date : 2023-04-19 DOI: 10.1111/fme.12629

Bernhard Kühn, Alexander Kempf, Thomas Brunel, Harriet Cole, Moritz Mathis, Klaas Sys, Vanessa Trijoulet, Youen Vermard, Marc Taylor

{"title":"Adding to the mix – Challenges of mixed-fisheries management in the North Sea under climate change and technical interactions","authors":"Bernhard Kühn, Alexander Kempf, Thomas Brunel, Harriet Cole, Moritz Mathis, Klaas Sys, Vanessa Trijoulet, Youen Vermard, Marc Taylor","doi":"10.1111/fme.12629","DOIUrl":"10.1111/fme.12629","url":null,"abstract":"Technical interactions (multiple fleets fishing multiple species with various gears, as either target or bycatch), bycatch regulations through a landing obligation, and biological and economic effects of climate change, affecting fisheries yield and profits, provide a challenge for demersal mixed fisheries of the North Sea. A multi-stock, multi-fleet, bioeconomic model was used to understand management options under these combined influences. Scenarios considered climate change effects on recruitment of three main gadoid stocks (cod – Gadus morhua, saithe – Pollachius virens, whiting – Merlangius merlangus), possible future developments of fuel and fish prices, and strict implementation of a landing obligation. The latter leads to decreased yield and profits in the short term due to increased choke effects, mainly of North Sea cod, being influenced by climate-induced productivity changes. Allowing fishing above FMSY, but within sustainable limits, or limiting year-to-year quota changes, could help buffer initial losses at the expense of decreased profits in the mid- to long-term. Economic performance of individual fleets was linked to their main target's stock status, cost structure, and fuel and fish prices. The results highlight a need to consider both biological and economic consequences of climate change in the management of mixed fisheries.","PeriodicalId":50444,"journal":{"name":"Fisheries Management and Ecology","volume":"30 4","pages":"360-377"},"PeriodicalIF":2.0,"publicationDate":"2023-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/fme.12629","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46578610","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: 1