Features of Trematode Communities in the Ponto-Azov Snail Lithoglyphus naticoides (C. Pfeiffer, 1828) (Gastropoda, Hydrobiidae) from the Uglich and Rybinsk Reservoirs (Upper Volga Basin)

IF 0.8 Q4 ECOLOGY

Russian Journal of Biological Invasions Pub Date : 2024-03-01 DOI:10.1134/s2075111724010144

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引用次数: 0

Abstract

The freshwater gastropod mollusk Lithoglyphus naticoides (C. Pfeiffer, 1828) naturalized successfully in the Rybinsk Reservoir and in the Uglich Reservoir in 2005–2011 and 2013–2015, respectively. The aim of this work is to study the structure of trematode communities in settlements of L. naticoides formed by 2019 in the upper parts of these water bodies. It is found that, in both reservoirs, the species composition of trematodes is similar and includes Apophallus muehlingi (Jägerskiöld, 1899), Apophallus (=Rossicotrema) donicus (Skrjabin et Lindtrop, 1919), Parasymphylodora markewitschi Kulakowskaja, 1947, Nicolla skrjabini (Iwanitzky, 1928), and Sanguinicola volgensis (Razin, 1929). The density of L. naticoides varies from 30 to 50 ind./m² in the shallows of the Rybinsk Reservoir and from 50 to 520 ind./m² in the Uglich Reservoir, where the mollusk is found at the depth of 2–9 m. In August 2019, the prevalence of parthenitae varied at different degrees even in relatively flowing upper parts of the reservoirs similar in hydrological characteristics: Apophallus spp. (32.01 and 11.45%), P. markewitschi (9.14 and 7.63%), N. skrjabini (16.57 and 7.63%), S. volgensis (19.43 and 63.36%). In the Uglich Reservoir, Xiphidiocercaria sp. (9.16%) has been recorded, though their species has not yet been determined. A single case of mixed infection with parthenitae of trematodes (Sanguinicola + Nicolla) was recorded in the Rybinsk Reservoir in 2019. In the Uglich Reservoir, mixed infection with two species of parasites is more common (Parasymphylodora + Xiphidiocercaria, Sanguinicola + Xiphidiocercaria, Sanguinicola + Parasymphylodora, Sanguinicola + Nicolla). Owing to the high occurrence of some trematodes, L. naticoides is able to have a significant impact on the ecosystems of reservoirs by the development of foci of the helminthoses even with a relatively low size of its populations.

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乌格里奇水库和雷宾斯克水库（伏尔加河上游盆地）的庞托-阿佐夫蜗牛 Lithoglyphus naticoides (C. Pfeiffer, 1828) （腹足纲，水生动物科）中的线虫群落特征

摘要淡水腹足类软体动物Lithoglyphus naticoides（C. Pfeiffer，1828年）分别于2005-2011年和2013-2015年在Rybinsk水库和Uglich水库成功归化。这项工作的目的是研究这些水体上层 2019 年形成的 L. naticoides 聚居地中的吸虫群落结构。研究发现，这两个水库中的吸虫物种组成相似，包括 Apophallus muehlingi (Jägerskiöld, 1899)、Apophallus (=Rossicotrema) donicus (Skrjabin et Lindtrop, 1919)、Parasymphylodora markewitschi Kulakowskaja, 1947、Nicolla skrjabini (Iwanitzky, 1928) 和 Sanguinicola volgensis (Razin, 1929)。在 Rybinsk 水库的浅滩中，L. naticoides 的密度从 30 到 50 ind./m2 不等，在乌格里奇水库中，软体动物的密度从 50 到 520 ind./m2 不等，乌格里奇水库的水深为 2-9 米。2019 年 8 月，即使在水文特征相似、水流相对较大的水库上游地区，parthenitae 的流行程度也有不同：Apophallus spp.（32.01%和 11.45%）、P. markewitschi（9.14%和 7.63%）、N. skrjabini（16.57%和 7.63%）、S. volgensis（19.43%和 63.36%）。在乌格里奇水库，记录到了 Xiphidiocercaria sp.（9.16%），但其种类尚未确定。2019 年，在雷宾斯克水库记录到一例颤形虫（Sanguinicola + Nicolla）与部分颤形虫混合感染的病例。在乌格利奇水库，两种寄生虫混合感染的情况更为常见（副噬线虫 + Xiphidiocercaria、Sanguinicola + Xiphidiocercaria、Sanguinicola + Parasymphylodora、Sanguinicola + Nicolla）。由于某些吸虫的高发生率，即使 L. naticoides 的种群规模相对较小，它也能通过发展蠕虫病病灶对水库的生态系统产生重大影响。

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来源期刊

Russian Journal of Biological Invasions ECOLOGY-

CiteScore

1.20

自引率

14.30%

发文量

期刊介绍： Russian Journal of Biological Invasions publishes original scientific papers dealing with biological invasions of alien species in both terrestrial and aquatic ecosystems and covers the following subjects:description of invasion process (theory, modeling, results of observations and experiments): invasion corridors, invasion vectors, invader species adaptations, vulnerability of aboriginal ecosystems;monitoring of invasion process (reports about findings of organisms out of the limits of natural range, propagule pressure assessment, settling dynamics, rates of naturalization);invasion risk assessment; genetic, evolutional, and ecological consequences of biological invasions of alien species; methods, means of hoarding, processing and presentation of applied research data (new developments, modeling, research results, databases) with factual and geoinformation system applications;use of the results of biological invasion research (methods and new basic results) under the study of marine, fresh-water and terrestrial species, populations, communities and ecosystems; control, rational use and eradication of the harmful alien species..