Length–Weight and Length–Length Relationships of Six Fish Species From the Middle Section of the Yangtze River Basin, China

IF 0.7 4区农林科学 Q4 FISHERIES

Journal of Applied Ichthyology Pub Date : 2025-05-14 DOI:10.1155/jai/7549347

Chaoyang Wan, Fang Dong, Xiao Xie, Zhiyu Cai, Myonghee Kang, Hui Zhang

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引用次数: 0

Abstract

This study estimated the length–weight relationships (LWRs) and length–length relationships (LLRs) for 6 fish species in the middle Yangtze River basin and its adjacent lakes (Ochetobius elongatus (Kner 1867), Rhinogobio cylindricus (Günther 1888), Hemibagrus macropterus (Bleeker 1870), Pseudobagrus albomarginatus (Rendahl 1928), Siniperca knerii (Garman 1912), and Coreosiniperca roulei (Wu 1930)). All fish specimens were seasonally collected through scientific research monitoring of fishery resources from May 2020 to June 2023. A triple gillnet (with a mesh size of 20–30 mm, a height of 2.0–4.0 m, and a length of 30–50 m) was employed for the capture. The LWRs and LLRs of all specimens were highly significant (p < 0.05), featuring high correlation coefficients (r² ≥ 0.9511). These findings not only enriched the data in FishBase but also offered supplementary references for the management of the Yangtze River during its fishing ban period.

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长江中游6种鱼类的长-重和长-长关系

本文对长江中游流域及其邻近湖泊6种鱼类（Ochetobius elongatus （Kner 1867）、Rhinogobio icus （g nther 1888）、Hemibagrus macropterus （Bleeker 1870）、Pseudobagrus albomarginatus （Rendahl 1928）、sininiperca knerii （Garman 1912）和Coreosiniperca roulei (Wu 1930)）的长度-重量关系（LWRs）和长度-长度关系（LLRs）进行了估算。所有鱼类标本于2020年5月至2023年6月通过渔业资源科研监测进行季节性采集。采用三层刺网（网目尺寸为20-30毫米，高度为2.0-4.0米，长度为30-50米）进行捕获。所有标本的lwr和llr均极显著(p <；0.05)，相关系数高（r2≥0.9511）。这些发现不仅丰富了FishBase的数据，也为长江禁渔期的管理提供了补充参考。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Applied Ichthyology 生物-海洋与淡水生物学

CiteScore

2.30

自引率

11.10%

发文量

审稿时长

3-8 weeks

期刊介绍： The Journal of Applied Ichthyology publishes articles of international repute on ichthyology, aquaculture, and marine fisheries; ichthyopathology and ichthyoimmunology; environmental toxicology using fishes as test organisms; basic research on fishery management; and aspects of integrated coastal zone management in relation to fisheries and aquaculture. Emphasis is placed on the application of scientific research findings, while special consideration is given to ichthyological problems occurring in developing countries. Article formats include original articles, review articles, short communications and technical reports.