美国红河下游流域本地和非本地鱼类的体长-体重关系

IF 0.7 4区 农林科学 Q4 FISHERIES Journal of Applied Ichthyology Pub Date : 2024-09-27 DOI:10.1155/2024/5578825
Mariaguadalupe Vilchez, John Dattilo, Shannon K. Brewer
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引用次数: 0

摘要

长度-重量关系有助于对本地和非本地鱼类进行种群评估以及模拟替代性保护和管理策略。我们为红河下游流域的 18 种本地和非本地河流鱼类建立了长度-重量关系。在 2021 年 5 月至 2024 年 3 月的夏季和秋季,我们通过电鱼和刺网对鱼类进行了采样。每个标本的测量值包括总长度(毫米)和重量(克)。我们提供了 14 种本地鱼类(包括 5 个科(鲤形目、鲶形目、鲤科、鲤形目和鲤形目))和 4 种属于鲤科的非本地物种的长宽比关系。我们收集了 6,845 个个体,从 67 条鳄鱼到 1,848 条小口水牛不等。所有长度与体重的关系都很显著(p < 0.05),大多数物种(72%)的长度与体重之间的r2值为0.70。我们的研究结果有助于深入了解河流鱼类的长短关系,并有助于针对具有娱乐价值的本地鱼类和非本地鱼类的移除工作制定替代方案。
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Length-Weight Relationships of Native and Non-Native Fishes in the Lower Red River Catchment, USA

Length-weight relationships are useful for stock assessments and modeling alternative conservation and management strategies for both native and non-native fishes. We developed length-weight relationships for 18 native and non-native riverine fishes in the lower Red River catchment. Fishes were sampled in the summer and autumn seasons between May 2021 and March 2024 via electrofishing and gill nets. Measurements for each specimen consisted of total length (mm) and weight (g). We provide L-W relationships for 14 native fishes consisting of 5 families (Lepisosteidae, Catostomidae, Ictaluridae, Sciaenidae, and Polyodontidae) and 4 non-native species belonging to the family Cyprinidae. We collected 6,845 individuals ranging from 67 alligator gar to 1,848 smallmouth buffalo. All the L-W relationships were significant (p < 0.05), and the majority (72% of species) of relationships between length and weight had r2 values > 0.70. Our findings provide insight into the L-W relationships of riverine fishes and can be useful for modeling alternatives targeted at native fishes of recreational value and the removal efforts of non-native fishes.

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来源期刊
Journal of Applied Ichthyology
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
73
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.
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