Ecomorphological patterns and shape indices of otoliths in the Pagellus acarne (Actinopterygii, Sparidae) from the Aegean and Marmara Seas

IF 1.3 4区生物学 Q2 ZOOLOGY

Turkish Journal of Zoology Pub Date : 2023-01-01 DOI:10.55730/1300-0179.3135

S. Yedier, Seda Yalçınkaya, D. Türker, D. Bostancı

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引用次数: 0

Abstract

: Pagellus acarne is found in coastal waters worldwide and it includes important species of commercial and recreational fisheries. In this study, 16 morphometric variables of the sagittal otolith, including six morphometric characters, six shape indices, and four ecomorphological indexes, were investigated for the first time among P. acarne stocks collected from the Aegean and Marmara Seas coasts of Turkey. Statistically significant differences were found between the right and left otolith variables of P. acarne individuals in both stocks (p < 0.05). Similarly, significant differences were observed on the same side between stocks (p < 0.05). The right otoliths exhibited higher discrimination power than the left within the two stocks. The PCA showed that only five (31.25%) (otolith area, otolith perimeter, form factor, roundness, and edge complexity index) out of the sixteen variables were quite important characters in the differentiation between stocks. These otolith characters demonstrated a very high rate of accurate discrimination (99.0%) between stocks. The results indicated otolith morphometric characters, shape indices, and ecomorphological indexes can be used as suitable tools to discriminate P. acarne stocks. This is the first study to include all otolith characters such as morphometrics, shape, and ecomorphological indices that discriminate between P. acarne stocks from these localities.

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爱琴海和马尔马拉海海海海参耳石的生态形态特征和形状指数

：在世界各地的沿海水域都发现了Pagellus粉螨，它包括商业和休闲渔业的重要物种。在本研究中，首次在土耳其爱琴海和马尔马拉海海岸采集的粉螨种群中调查了矢状耳石的16个形态计量变量，包括6个形态计量特征、6个形状指数和4个生态形态指数。在两个种群中，P.acarine个体的左右耳石变量之间存在统计学上的显著差异（P<0.05）。同样，在种群之间的同一侧也观察到显著差异（P<0.05）。在两个群落中，右侧耳石表现出比左侧更高的辨别力。主成分分析显示，在16个变量中，只有5个（31.25%）（耳石面积、耳石周长、形状因子、圆度和边缘复杂度指数）是种群分化中相当重要的特征。这些耳石特征显示了库存之间非常高的准确辨别率（99.0%）。结果表明，耳石形态特征、形态指标和生态形态指标可作为鉴别粉螨种群的合适工具。这是第一项包括所有耳石特征的研究，如形态计量学、形状和生态形态指数，以区分这些地区的粉螨种群。

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来源期刊

Turkish Journal of Zoology ZOOLOGY-

CiteScore

2.30

自引率

10.00%

发文量

审稿时长

6-12 weeks

期刊介绍： The Turkish Journal of Zoology is published electronically 6 times a year by the Scientific and Technological Research Council of Turkey (TÜBİTAK). -Accepts English-language manuscripts in various fields of zoology including systematics, developmental biology, behaviour biology, animal models, molecular biology and molecular phylogeny, genomics, physiology (cell communication and signaling systems), biochemistry and immunohistochemistry, applied parasitology and pathology, nanobiotechnology, ecology, evolution, and paleontology of animal taxa. -Contribution is open to researchers of all nationalities. -Short communications are also welcome, such as reports of a preliminary nature or those including new records from specific localities or regions, and the editor reserves the right to decide that a paper be treated as a short communication. -The papers that deal with purely checklists, new host and non-regional new locality records will not be consider for publication. -Letters to the editor reflect the opinions of other researchers on the articles published in the journal. The editor may also invite review articles concerning recent developments in particular areas of interest.