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Freshwater oligochaeta of some urban watercourses in the Russian far east
Author(s) -
Timm Tarmo
Publication year - 1997
Publication title -
internationale revue der gesamten hydrobiologie und hydrographie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.524
H-Index - 52
eISSN - 1522-2632
pISSN - 0020-9309
DOI - 10.1002/iroh.19970820402
Subject(s) - tubifex tubifex , oligochaeta (plant) , tubifex , holarctic , fauna , ecology , biology , endemism , population , genus , demography , sociology
40 oligochaete species are identified in the lowland watercourses near Ussurijsk and Vladivostok. In the Razdol'naja River, Naididae are common, increasing in numbers in enriched urban stretches where tubificids become abundant, including Limnodrilus hoffmeisteri Claparède and Tubifex tubifex (Müller). A freshwater population of Monopylephorus rubroniveus Levinsen exists there. The endemics of the Amur zoogeographical Province, Haber amurensis (Sokol'skaja et Hrabê) and Piguetiella amurensis Sokol'skaja, are redescribed. Stylaria fossularis Leidy is a valid species. Rhyacodrilus coccineus (Vejdovsky) and its East Asian congeners form a closely related species complex. A new generic name is proposed instead Muliercula (Timm). According its oligochaete fauna, the Amur‐Japanese freshwater zoogeographical Subregion is closer to the Holarctic than to the Sino‐Indian Region.