Стаціяльний розподіл прісноводних молюсків у водоймах природоохоронних об’єктів міста Києва [Distribution of freshwater molluscs on stations in water-bodies of protected areas in Kyiv city]
Journal Title: Праці Наукового товариства ім. Шевченка - Year 2016, Vol 46, Issue
Abstract
The distributions of freshwater molluscs on stations were monitored over four years (2008-2011) in water-bodies of protected areas in Kyiv City. Sixteen species of freshwater molluscs were recorded in investigated region. Among them 1 species belonging to class Bivalvia (Pisidium sp.) and 15 species – to class Gastropoda (Acroloxus lacustris (Linne, 1758), Anisus acronicus (Ferussac, 1807), A. vortex (Linne, 1758), A. contortus (Linne, 1758), Armiger bielzi (Kimacowicz, 1884), Bithynia tentaculata (Linne, 1758), 10) Lymnaea stagnalis (Linne, 1758), L. auricularia (Linne, 1758), L. lagotis (Schranck, 1803), Opisthorchophorys troscheli Paasch, 1842, Physa fontinalis (Linne, 1758), Planorbarius corneus (Linne, 1758), Planorbis planorbis (Linne, 1758), Segmentina sp., Viviparus viviparus (Linne, 1758)). We revealed that pulmonates (mainly genera Anisus, Armiger, Lymnaea, Planorbarius) are the most widespread species in investigated water-bodies. Among them species of genera Anisus, Armiger, Lymnaea inhabit variety of stations formed mainly by aquatic vegetation and species of genera Planorbarius − silt on the bottom of water-bodies and silted surface of dam, stones and et. The molluscs belonging to subclass Pectinibranchia (Bithynia tentaculata, Opisthorchophorys troscheli, Viviparus viviparus) were revealed only in some investigated water-bodies − Holosiivski and Horikhuvatski ponds and ponds of the Feofaniya Park. These species inhabit silted surface of dam, stones and stations formed by aquatic vegetation. We revealed that bivalves (Pisidium sp.) inhabit variety of stations in lotic water-bodies. We recorded that Armiger bielzi (Kimacowicz, 1884) is the most common species in investigated region and inhabit variety of stations but according to previous research (Lazytska, 1936, Gaponova, 2004) this species had not been widely distributed in the middle Dnipro River basin. The results of our investigation showed that species composition of molluscs of investigated water-bodies is close to the floodplain lakes. Although most of investigated water-bodies were formed as a result of regulation of streams and rivers, the species which is inhere in such types of water-bodies (first of all bivalves and molluscs belonging to subclass Pectinibranchia) were recorded only in some investigated water-bodies.
Authors and Affiliations
Liudmyla Gaponova
Keywords
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