Variability of Morphological Characters of the Genus Alburnoides (Pisces, Leuciscidae) from Watercourses in Southern Russia

IF 0.8 4区生物学 Q4 MARINE & FRESHWATER BIOLOGY

Inland Water Biology Pub Date : 2024-07-13 DOI:10.1134/s1995082924700032

R. E. Belogurova, E. P. Karpova

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Abstract

The variability of the morphological characters of the genus Alburnoides Jeitteles, 1861 from watercourses in the south of Russia (five rivers of the Crimean Peninsula and two rivers of Krasnodar krai) is considered. It has been established that, in spirlins within the study areas, body sizes average from 60.1 ± 1.45 mm in individuals from the Gostagaika River (Krasnodar krai) up to 88.2 ± 1.87 mm in fish from the Angara River (Crimean Peninsula). Using the Mann–Whitney test, statistically significant differences were registered between the samples in most plastic characters; they were absent in meristic characters. In the studied regions, heterogeneity in the structure of the genus Alburnoides was noted: according to the results of cluster analysis for the totality of all studied characters, the greatest similarity was found in samples from Crimean rivers that are geographically close to each other (the Chernaya, Belbek, Kacha, and Alma), but the group from the Angara River adjoins them at a higher level of divergence. A separate group is formed by samples from the rivers of Krasnodar krai. The data are consistent with the literary information on the formation of the ichthyofauna in the rivers of Crimea; the clear differences between the spirlins from the rivers of southern Russia require a more detailed study.

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俄罗斯南部水道中 Alburnoides 属（鱼类，鯈鱼）形态特征的变异性

摘要考察了俄罗斯南部河道（克里米亚半岛的 5 条河流和克拉斯诺达尔边疆区的 2 条河流）中 Alburnoides Jeitteles, 1861 属形态特征的变异性。研究结果表明，在研究区域内，漩涡鱼的平均体型从戈斯塔盖卡河（克拉斯诺达尔边疆区）的 60.1 ± 1.45 毫米到安加拉河（克里米亚半岛）的 88.2 ± 1.87 毫米不等。通过曼-惠特尼检验，样本之间在大多数可塑性特征方面存在显著的统计学差异，但在分体特征方面却不存在差异。在所研究的地区，Alburnoides 属的结构具有异质性：根据对所有研究特征的聚类分析结果，来自地理位置相近的克里米亚河流（切尔纳亚河、贝尔贝克河、卡恰河和阿尔马河）的样本具有最大的相似性，但来自安加拉河的样本组与它们相邻，差异较大。来自克拉斯诺达尔边疆区河流的样本形成了一个独立的群体。这些数据与有关克里米亚河流鱼类动物群形成的文献资料相吻合；俄罗斯南部河流的漩涡鱼类之间的明显差异需要更详细的研究。

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来源期刊

Inland Water Biology 生物-海洋与淡水生物学

CiteScore

1.30

自引率

55.60%

发文量

审稿时长

6-12 weeks

期刊介绍： Inland Water Biology publishes thematic reviews and original papers devoted to flora and fauna in waterbodies, biodiversity of hydrobionts, biology, morphology, systematics, ecology, ethology, ecological physiology and biochemistry of aquatic organisms, patterns of biological cycle, structure and functioning of aquatic ecosystems, anthropogenic and uncontrolled natural impacts on aquatic organisms and ecosystems, invasion of nonindigenous species into ecosystems and their ecology, methods of hydrobiological and ichthyological studies.