洞庭湖流域四种鱼类的长度-重量关系

IF 0.7 4区农林科学 Q4 FISHERIES

Journal of Applied Ichthyology Pub Date : 2023-11-07 DOI:10.1155/2023/8441358

Xiao Xie, Jiang Xie, Congqiang Luo, Jinlong Wang, Bolan Song, Ruisong Wang, Hongxing Yin, Liangguo Liu, Pinhong Yang

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引用次数: 0

摘要

对洞庭湖支流中4种鱼类的长-重关系进行了研究。从2021年5月至2023年7月，每年两次使用固定刺网(长50米×高2.0米，网目尺寸分别为2、6、10和14厘米)和龙虾笼(长18米×高0.33米×宽0.45米，网目尺寸为1厘米)对鱼类进行取样。采集后立即在现场测量所有鱼的总长度(L)至最接近的0.1 cm，体重(W)至最接近的0.1 g。在所有4个物种中，总长度和体重之间存在很强的相关性(r2 >0.98)。LWR中参数b的取值范围为2.9709 ~ 3.4373。洞庭湖流域Sinilabeo tungting、Acrossocheilus jishouensis、Onychostoma rara和Onychostoma barbata的LWR为https://Fishbase.org提供了新的数据，可为制定休渔后的鱼类资源保护措施提供参考。

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Length-Weight Relationships of Four Fish Species from the Dongting Lake Basin, Central South China

Length-weight relationships (LWRs) were described for four fish species inhabiting the tributaries of the Dongting Lake, China. Fish were sampled using stationary gillnets (50 m long × 2.0 m high and mesh size: 2, 6, 10, and 14 cm) and lobster pots (18 m long × 0.33 m high × 0.45 m width and mesh size: 1 cm) twice a year from May 2021 to July 2023. All fishes were measured in the field immediately after collection for total length (L) to the nearest 0.1 cm and body weight (W) to the nearest 0.1 g. There was a strong correlation between total length and weight in all four species (r2 > 0.98). The values of parameter b in LWR ranged from 2.9709 to 3.4373. The LWR of Sinilabeo tungting, Acrossocheilus jishouensis, Onychostoma rara, and Onychostoma barbata provide new data for https://Fishbase.org and can be useful for establishing conservation measures of fish resources after fishing closure in the Dongting Lake basin, China.

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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.