Population abundance and growth parameters of an exotic bivalve species, Anadara kagoshimensis, in the Southwestern Black Sea

IF 1.3 4区生物学 Q2 ZOOLOGY

Turkish Journal of Zoology Pub Date : 2023-01-01 DOI:10.55730/1300-0179.3109

M. Dağtekin, G. Dalgic, M. Erbay, İ. Akpınar, Mehmet Aydin, Süleyman Özdemi̇r, Ayşe Cebeci̇, S. Karayücel

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引用次数: 0

Abstract

: Blood cockle ( Anadara kagoshimensis ) is an Indo-Pacific species that later entered the Black Sea. The abundance of A. kagoshimensis , which is not subjected to commercial fishing, is important in terms of food competition with other bivalvia species. Baby clam ( Chamelea gallina ) together with the A. kagoshimensis are dominant bivalve species found in the sandy and muddy areas off the coastal waters of the Black Sea. In this study, specimens of A. kagoshimensis have been recognized by morphological analysis and also confirmed by molecular characterization. Furthermore, the abundance and growth parameters of A. kagoshimensis were investigated in the Southwestern Black Sea. Blood cockles were sampled between February 2011 and December 2012, seasonally. According to the Von Bertalanffy Growth Parameters (VBGP) the results were L ∞ = 81.96 mm, K = 0.32 year –1 , t 0 = –0.22 year, and nonseasonal L ∞ = 84.32 mm, K = 0.31 year –1 , t 0 = –0.21, WP = 0.65, t s = 0.15. The growth pattern showed the slope [b] = 2.96–3.01 in 2011 and 2012. The stock size was estimated according to two different years in 5 different subareas (Cide, İnebolu, Türkeli, Ayancık, and Sarıkum) and by 4 different strata (0–5 m, 5–10 m, 10–15 m, and 15–20 m). Considering subareas, the A. kagoshimensis population in all subareas increased significantly in a single year. Compared to other regions, İnebolu was the main highly distributed area of the A. kagoshimensis , and also the estimated stock size was the highest in the region. Due to food competition with other commercial species (mainly Chamelea gallina ) A. kagoshimensis is an ecology important species for the Southern Black Sea habitats. It is aimed to make contributions to Good Environmental Status (GES) and fisheries management in the region.

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黑海西南部一种外来双壳类动物鹿儿岛Anadara的种群丰度和生长参数

：血公鸡（Anadara kagoshimensis）是一种印度-太平洋物种，后来进入黑海。鹿儿岛A.kagoshimensis没有进行商业捕捞，其丰富程度在与其他双壳类物种的食物竞争方面很重要。小蛤（Chamelea gallina）和鹿儿岛蛤（A.kagoshimensis）是在黑海沿岸沙质和泥泞地区发现的主要双壳类物种。在本研究中，鹿儿岛A.kagoshimensis的标本已通过形态学分析得到识别，并通过分子表征得到证实。此外，还对西南黑海鹿儿石藻的丰度和生长参数进行了研究。2011年2月至2012年12月期间，对血公鸡进行了季节性采样。根据Von Bertalanffy生长参数（VBGP），结果为L∞=81.96 mm，K=0.32年-1，t0=–0.22年，非季节性L∞=84.32 mm，K=0.31年-1，t 0=–0.21，WP=0.65，t s=0.15。2011年和2012年的增长模式显示斜率[b]=2.96–3.01。根据5个不同分区（Cide、Il nebolu、Türkeli、Ayancık和Sarıkum）和4个不同地层（0-5 m、5-10 m、10-15 m和15-20 m）的不同年份，估计了种群规模。从分区来看，各分区的鹿儿石种群在一年内均显著增加。与其他地区相比，伊涅波鲁是鹿儿岛A.kagoshimens的主要高度分布区，估计种群规模也是该地区最高的。由于与其他商业物种（主要是变色龙）的食物竞争，鹿儿岛是黑海南部栖息地的重要生态物种。它旨在为该地区的良好环境状况和渔业管理做出贡献。

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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.