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Abstract <p>The fauna, spatial distribution, and ecological peculiarities of annelides in water bodies and watercourses of the Upper Volga basin in Vladimir and Ryazan oblasts are investigated. The literature data and our own data from 1927 to 2023 are summarized. An assessment of annelides ranges has shown that widespread species of Holarctic and cosmopolitans predominate. According to the prevailing type of nutrition, these worms are mainly detritus and phytophagous, less often predatory. Ecological groups are mainly represented by benthos, and less often by periphyton and amphibionts. The following species of oligochaetes are most common: <i>Aeolosoma hemprichi</i> Ehrenberg, 1828; <i>Limnodrilus hoffmeisteri</i> Claparede, 1862; <i>Limnodrilus udekemianus</i> Claparede, 1862; <i>Tubifex tubifex</i> (O.F. Müller, 1773); <i>Tubifex newaensis</i> (Michaelsen, 1902); and <i>Lumbriculus variegatus</i> (O.F. Müller, 1773). The species diversity of oligochaetes is significantly less than for the Volga River basin.</p>

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Polychaetes and Oligochaetes (Annelida: Polychaeta, Oligochaeta) of Specially Protected and Adjacent Territories of the Upper Volga Basin in Vladimir and Ryazan Oblasts

  • 期刊论文

  • 发表日期：

    2025年8月1日

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  • I. Yu. Lychkovskaya

摘要

Abstract

The fauna, spatial distribution, and ecological peculiarities of annelides in water bodies and watercourses of the Upper Volga basin in Vladimir and Ryazan oblasts are investigated. The literature data and our own data from 1927 to 2023 are summarized. An assessment of annelides ranges has shown that widespread species of Holarctic and cosmopolitans predominate. According to the prevailing type of nutrition, these worms are mainly detritus and phytophagous, less often predatory. Ecological groups are mainly represented by benthos, and less often by periphyton and amphibionts. The following species of oligochaetes are most common: Aeolosoma hemprichi Ehrenberg, 1828; Limnodrilus hoffmeisteri Claparede, 1862; Limnodrilus udekemianus Claparede, 1862; Tubifex tubifex (O.F. Müller, 1773); Tubifex newaensis (Michaelsen, 1902); and Lumbriculus variegatus (O.F. Müller, 1773). The species diversity of oligochaetes is significantly less than for the Volga River basin.