Length–weight relationship and condition factor for 7 loliginid squid species in Mexican waters

IF 0.5 4区 生物学 Q4 MARINE & FRESHWATER BIOLOGY Ciencias Marinas Pub Date : 2019-12-20 DOI:10.7773/cm.v45i4.3015
J. G. Amores, C. A. S. Zavala, J. F. Ortega, Mariana Diaz Santana Iturrios
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引用次数: 2

Abstract

espanolLa relacion longitud-peso y el factor de condicion son parametros primarios en la evaluacion de poblaciones pesqueras. A pesar del potencial pesquero de los calamares loliginidos en Mexico, el grupo es escasamente conocido y no hay un manejo formal implementado. Un total de 1,105 calamares capturados en aguas mexicanas del Pacifico y del Atlantico fueron medidos para estimar la relacion longitud-peso y los factores de condicion. Excepto Lolliguncula brevis y Lolliguncula argus, todas las especies presentaron crecimiento alometrico negativo. Las 2 especies con crecimiento isometrico presentaron una condicion pobre, segun el factor de condicion de Fulton, y el resto de las especies presentaron buena condicion de salud, segun el factor de condicion relativo. El tipo de crecimiento encontrado en las especies identificadas en este estudio puede estar relacionado con sus habitos de nado o, de otra manera, puede ser afectado por las mismas variables que determinan el tipo de crecimiento de otros calamares encontrados en aguas mexicanas. Los parametros evaluados en esta investigacion ahora se encuentran disponibles para ser incorporados en futuros modelos de manejo de poblaciones pesqueras de calamares loliginidos. EnglishThe length–weight relationship and the condition factor are key parameters in stock assessment. Despite the fisheries potential loliginid squids have in Mexico, the group is scarcely known and no formal management has been implemented. A total of 1,105 squids captured on the Pacific and Atlantic coasts of Mexico were measured to estimate length–weight relations and condition factors. Except for Lolliguncula brevis and Lolliguncula argus, all species showed negative allometric growth. The 2 species with isometric growth showed a poor condition, according to Fulton’s condition factor, and the rest of the species were in good health, according to the relative condition factor. The type of growth exhibited by the species identified in this study could be associated with their swimming habits or otherwise be affected by the same variables that determine the type of growth of other squid found in Mexican waters. The parameters evaluated in this research are now available for incorporation in further fishery stock assessment models for loliginid squids.
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墨西哥海域7种鱿鱼的长重关系及条件因子
西班牙的长重比和条件因子是评估渔业种群的主要参数。尽管墨西哥洛里吉尼多斯鱿鱼具有捕捞潜力,但该集团鲜为人知,也没有实施正式管理。共测量了在墨西哥太平洋和大西洋水域捕获的1105只鱿鱼,以估计长重比和条件因素。除短棒棒糖和Argus棒棒糖外,所有物种的异速生长均为阴性。根据富尔顿条件因子,这两个等长生长的物种的状况不佳,根据相对条件因子,其余物种的健康状况良好。在这项研究中确定的物种中发现的生长类型可能与它们的游泳习惯有关,或者可能受到决定在墨西哥水域发现的其他鱿鱼生长类型的相同变量的影响。这项研究中评估的参数现在可以纳入未来的鱿鱼渔业种群管理模型。长度-重量关系和条件因子是股票评估的关键参数。尽管墨西哥有潜在的Loliginid squids渔业,但该组织鲜为人知,尚未实施正式管理。在墨西哥太平洋和大西洋沿岸共捕获了1105只squids,以估计长重关系和条件因素。除了短棒棒糖和Argus棒棒糖外,所有物种都表现出负的异速生长。根据富尔顿的条件因子,这2个等长生长的物种表现出较差的条件,根据相关条件因子,其余物种健康状况良好。这项研究中确定的物种所表现出的生长类型可能与它们的游泳习惯有关,或者受到决定墨西哥水域中发现的其他squid生长类型的相同变量的影响。这项研究中评估的参数现在可用于纳入Loliginid squids的进一步渔业库存评估模型。
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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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