墨西哥纳亚里特小规模黄鳍金枪鱼渔业管理的初步资料

IF 0.5 4区 生物学 Q4 MARINE & FRESHWATER BIOLOGY Ciencias Marinas Pub Date : 2022-09-29 DOI:10.7773/cm.y2022.3275
J. Jurado-Molina, Jorge Flores-Olivares, Carlos Humberto Hernández-López, Raúl Villaseñor-Talavera, José Alejandro Mendoza-Murguía
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引用次数: 0

摘要

纳亚里特海岸的小型金枪鱼延绳钓渔业最近于2013年开始。我们提供了关于纳亚里特(墨西哥)黄鳍金枪鱼(YFT)一些生物学参数的第一份详细报告。我们采样了584个YFT,代表25.5 t的捕获量。我们拟合了长度-重量关系,使用t检验来确定生长类型,并估计了选择性曲线。全长数据从73.0到228.0厘米不等,平均值为153.0±23.5厘米(平均值±标准差)。体重范围为5.8至128.0 kg,平均值为43.7±19.4 kg。长重拟合结果和t检验表明,异速生长呈阴性。选择性拟合结果表明,选择性遵循渐近模式。我们的研究结果代表了收集信息以建立墨西哥太平洋海岸YFT研究和监测计划的第一步。本研究中提供的信息有助于制定适当的法规,以确保Nayarit的渔业管理良好和YFT的可持续开发。
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Preliminary information for the small-scale yellowfin tuna fishery management in Nayarit, Mexico
The small-scale tuna longline fishery operating on the coast of Nayarit started recently in 2013. We provide the first detailed report on some biological parameters for the yellowfin tuna (YFT) in Nayarit (Mexico). We sampled 584 YFT, representing a catch of 25.5 t. We fit the length–weight relationship, used the t-test to determine the type of growth, and estimated the selectivity curve. The total length data varied from 73.0 to 228.0 cm, with a mean of 153.0 ± 23.5 cm (mean ± SD). Weight ranged from 5.8 to 128.0 kg, with a mean of 43.7 ± 19.4 kg. Length–weight fitting results and the t-test suggested negative allometric growth. Selectivity fitting results suggested that selectivity follows an asymptotic pattern. Our results represent the first step into gathering information to establish research and monitoring programs for the YFT on the Pacific coast of Mexico. The information provided in this study could help develop proper regulations to assure a well-managed fishery and the sustainable exploitation of YFT in Nayarit.
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来源期刊
Ciencias Marinas
Ciencias Marinas 生物-海洋与淡水生物学
CiteScore
1.10
自引率
0.00%
发文量
9
审稿时长
>12 weeks
期刊介绍: A bilingual open-access publication, Ciencias Marinas (CM) is an international peer-reviewed journal that contains original research findings in all areas of marine science. It is published quarterly by the Autonomous University of Baja California, Mexico, and all its contents are publicly available on our journal website. Though a limited number of copies are still printed, the journal is mainly distributed in its electronic format. CM was conceived in 1973 as part of an academic project aimed to entice local researchers to publicly disclose their findings by adopting the culture of peer-review publishing. This academic project evolved into an international journal after accepting papers from researchers in the United States and, eventually, other parts of the world. Because of the diversity in authorship, CM issues were initially published in either Spanish or English, and occasionally in both languages. It was not until 1984 when CM included both language versions of all its contents, and it then became the fully bilingual journal it still is today. At CM we believe our inclusive format allows us not only to address a wider range of submissions from international authors but also to make published findings available to a wider international audience. So whether you are looking for information on the redfish in Icelandic waters or the physical and biological properties of the Gulf of California, feel free to peruse CM contents. You may find them to provide source material for your research.
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