印度尼西亚纳甘拉雅水域收获的纳勒鱼Barbonymus gonionotus(双鱼座,鲤科)的长度-重量关系和条件因素

Agung Setia Batubara, Z. Muchlisin, D. Efizon, Roza Elvyra, M. Irham
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引用次数: 21

摘要

摘要本研究旨在研究印度尼西亚亚齐省纳甘拉雅地区纳甘河中纳利鱼Barbonymus gonionotus Bleeker, 1849的生长模式和条件因素。抽样时间为2016年1月至2016年12月,为期12个月。采样地点是根据当地渔民提供的资料确定的。研究期间共采集了761份鱼类样本。利用线性异速生长模型(Linear Allometric Model, LAM)、Fulton’s和相对体重条件因子分析鱼体生长参数的长重关系和条件因子。结果表明,12月份的b系数最高,雄虫的b值为3.82,雌虫的b值为4.23,雄虫和雌虫的平均b值为2.92,呈等长生长模式。平均富尔顿条件因子(K)为2.28,平均相对体重条件因子(Wr)为100.59。结论是鱼类呈等长生长模式,根据K和Wr值,表明水域状况良好。此外,食物来源的可获得性、低竞争对手和低捕食者表明水生环境处于稳定状态。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Length-Weight Relationships and Condition Factors of the Naleh Fish, Barbonymus gonionotus (Pisces, Cyprinidae) Harvested from Nagan Raya Waters, Indonesia
Abstract The objective of the present study was to examine the growth pattern and condition factors of the naleh fish, Barbonymus gonionotus Bleeker, 1849 in Nagan River, Nagan Raya District, Aceh Province, Indonesia. The sampling was conducted for 12 months from January 2016 to December 2016 using the explorative survey method. The sampling locations were determined based on the information given by local fishermen. A total of 761 fish samples were collected during the study. The Linear Allometric Model (LAM), Fulton’s and Relative Weight conditions factors were utilized to analyze the length-weight relationship and condition factor of the fish using growth parameters. The results showed that the highest coefficient of b was recorded in December, where the b value of males were 3.82 and 4.23 for the females with the average b value of males and females were 2.92 indicating an isometric growth pattern. The average Fulton’s condition factor (K) was 2.28 and the average Relative weight (Wr) condition factor was 100.59. It is concluded that fish had the isometric growth pattern and based on K and Wr value, the result implies that the waters are still in a good condition. Furthermore, the availability of food sources, low competitors, and low predators indicate that the aquatic environment is in a stable condition.
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