四川长江上游四种鱼类的长度-重量关系

IF 0.7 4区农林科学 Q4 FISHERIES

Journal of Applied Ichthyology Pub Date : 2023-04-21 DOI:10.1155/2023/2550016

Mingjiang Song, Yeyu Chen, Xiaoyun Wu, Ya Liu, Q. Gong, Feiyang Li, Pengcheng Li, Jun Ou, Qiaolin Zou, Jiansheng Lai

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引用次数: 0

摘要

本文对四川长江上游4种鱼类进行了长度-重量关系的研究。采用漂网(网目尺寸:4 cm × 4 cm)和落地竹笼(网目尺寸:1 cm × 1 cm)在雅砻江、莱溪河、屏东河和宝兴河进行采集。样本采集时间为2017年3月至2022年12月。根据长度-权重函数方程(W = a - L - b)， r2值为0.960 ~ 0.991,LWRs的b值为2.916 ~ 3.095。

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Length-Weight Relationships of Four Fish Species of the Upper Yangtze River, Sichuan, China

In this study, the length-weight relationships were determined for four fish species of the upper Yangtze River, Sichuan province, China. The fish were collected by drift net (mesh size: 4 cm × 4 cm) and ground bamboo cages (1 cm × 1 cm) from Yalong River, Laixi River, Pingtung River, and Baoxing River. Samples were collected from March 2017 to December 2022. According to the length-weight function equation ( W = a L b ), r2 values ranged from 0.960 to 0.991 and the b values of LWRs ranged from 2.916 (Megalobrama pellegrini) to 3.095 (Claea dabryi).

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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.