怒江四种本地鱼类的长重关系

IF 0.7 4区农林科学 Q4 FISHERIES

Journal of Applied Ichthyology Pub Date : 2022-09-19 DOI:10.1111/jai.14354

Songhao Ji, Liuyong Ding, Juan Tao

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引用次数: 1

摘要

四种鱼类的标本(Garra nujiangensis) Chen, Zhao &;杨，2009,opisthoterus Poropuntius (Wu, 1977)， Creteuchiloglanis macropterus (Ng, 2004)， Glyptothorax lanceatus Ng, Jiang等;Chen, 2012)在怒江被捕获。在2017年5月至2021年7月期间，采用刺网(网目尺寸为6、10和16厘米)和笼网(网目尺寸为1厘米)不定期取样。测定总长度(最接近0.1 cm, L)和总重量(最接近0.001 g, W)。通过W = aLb的线性回归估计长度-权重关系(LWRs)。所有LWRs估计值的r2值均大于0.96，表明样本中不存在严重的异常值。

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Length-weight relationships of four indigenous fish species from the Nujiang River, China

Specimens of four fish species (Garra nujiangensis Chen, Zhao & Yang, 2009, Poropuntius opisthopterus (Wu, 1977), Creteuchiloglanis macropterus (Ng, 2004), and Glyptothorax lanceatus Ng, Jiang & Chen, 2012) were caught in the Nujiang River, China. Fish were sampled between May 2017 to July 2021 in irregular intervals, using gill nets (mesh sizes 6, 10, and 16 cm) and cage nets (mesh size 1 cm). Total length (to nearest 0.1 cm, L) and total weight (to nearest 0.001 g, W) were determined. Length-weight relationships (LWRs) were estimated through the linear regression of W = aL^b. The r² values for all LWRs estimates were all above .96, indicating that no serious outlier values were included in the samples.

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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.