恩德米克·塔里克可持续种群管理的Gillnet选择性估计（Alburnus tarichi Güldenstädt，1814）凡湖（土耳其东部）人口

IF 1.5 4区农林科学 Q3 FISHERIES

Turkish Journal of Fisheries and Aquatic Sciences Pub Date : 2022-12-07 DOI:10.4194/trjfas21936

Ferhat Demirol, Mehmet Cìlbìz

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引用次数: 0

摘要

本研究旨在评估土耳其凡湖Tarek（Alburnus tarichi Güldenstädt，1814）刺网的选择性。塔里克鱼是土耳其捕捞量最大的淡水鱼。这项研究是在2021年捕鱼季节在湖中的七个不同采样点进行的。估计的刺网选择性基于八种不同的刺网网目尺寸（即1.25、1.6、2.0、2.5、3.1、3.9、4.4、4.8厘米）。SELECT方法用于确定选择性参数。根据伽马模型，1.25、1.6、2.0、2.5、3.1、3.9、4.4和4.8 cm网格尺寸的最佳模态长度估计分别为6.61、8.46、10.58、13.22、16.39、20.62、23.27和25.38 cm。在考虑最小登陆尺寸时，研究结果表明，应禁止使用网目尺寸小于3.9厘米的刺网在范湖捕捞A.tarichi。

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Gillnet Selectivity Estimating for Sustainable Stock Management of Endemik Tarek (Alburnus tarichi Güldenstädt, 1814) Population in Lake Van (Eastern, Turkey)

This study was carried out to estimate the selectivity properties of gillnets for Tarek (Alburnus tarichi Güldenstädt, 1814) in Lake Van, Turkey. The Tarek is the most fished freshwater fish species in Turkey. The study was carried in 2021 fishing season at seven different sampling locations in the lake. Gillnet selectivity estimated was based on eight different gillnet mesh sizes (i.e. 1.25, 1.6, 2.0, 2.5, 3.1, 3.9, 4.4, 4.8 cm). The SELECT method was used to determine the selectivity parameters. According to the gamma model, optimum modal lengths for 1.25, 1.6, 2.0, 2.5, 3.1, 3.9, 4.4 and 4.8 cm mesh sizes were estimated as 6.61, 8.46, 10.58, 13.22, 16.39, 20.62, 23.27 and 25.38 cm respectively. When considering the minimum landing size, the findings of the study showed that use of gillnets which have less than 3.9 cm mesh size should be prohibited for the fishing of A. tarichi in Lake Van.

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来源期刊

Turkish Journal of Fisheries and Aquatic Sciences FISHERIES-MARINE & FRESHWATER BIOLOGY

CiteScore

3.10

自引率

0.00%

发文量

审稿时长

3 months

期刊介绍： Turkish Journal of Fisheries and Aquatic Sciences" (TrJFAS) is a refereed academic journal has been published by Central Fisheries Research Institute of Turkey and Japan International Cooperation Agency (JICA), and published in English. It aims to address research and needs of all working and studying within the many varied areas of fisheries and aquatic sciences. The Journal publishes English language original research papers, critical review articles, short communications and technical notes on applied or scientific research relevant to freshwater, brackish and marine environments. TrJFAS was published biannually (April & November) between 2001 and 2009. A great number of manuscripts have been submitted to the journal for review from acceptance of the SCI index. Thereby, the journal has been published quarterly (March, June, September and December) from 2010 to 2017. The journal will be published monthly in 2018.