Abstract
Molluscs of the middle and lower Odra: the role of the river in the expansion of alien species in Poland
Highlights
The molluscan fauna of the Odra (Oder River), like those of the other large Polish rivers, has not been sufficiently studied
Alien species were represented by the snails Lithoglyphus naticoides, Potamopyrgus antipodarum, Physella acuta, Ferrissia fragilis, Menetus dilatatus, and the bivalves Corbicula fluminalis, C. fluminea, and Dreissena polymorpha
According to GLÖER (2002) R. ovata is a junior synonym of R. balthica, while R. peregra – a synonym of R. labiata – does not occur in the river, and P. heterostropha is a synonym of Physella acuta
Summary
The molluscan fauna of the Odra (Oder River), like those of the other large Polish rivers, has not been sufficiently studied. In 2009–2011, research was carried out within the project “Groynes as a factor shaping anthropogenic habitats in rivers: an analysis of the complex of benthos, plankton and periphyton in isolated still-water bodies between groynes as exemplified by the middle and lower course of the Odra River”. It focused on the specific, anthropogenic river habitat with a slow current, between groynes protecting the river banks. The major aim of the project was to evaluate the areas between groynes, referred to as groyne fields, in this
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