Abstract
Aquatic malacofauna of the Hrubý Jeseník Mountains, the Rychlebské hory Mountains, the Zlatohorská vrchovina Highlands and the Žulovská pahorkatina Highlands (Northern Moravia, Czech Republic) was investigated in 2000, 2001 and 2003. Altogether 26 species (17 gastropods, 9 bivalves) were found at 56 localities. Species Galba truncatula, Radix peregra s.str., Ancylus fluviatilis and P. casertanum, which often inhabit springs and smaller brooks, belong to the most common molluscs in this territory. Ponds and different water bodies originated by mining enrich aquatic malacofauna of this area by e.g., Lymnaea stagnalis, Gyraulus albus, G. crista, Hippeutis complanatus, Anodonta anatina or Musculium lacustre. The finding of Ferrissia clessiniana is the first record of this non-native mollusc in the territory of Northern Moravia. Water bodies in the Vidnavské mokřiny Wetlands Nature Reserve on the Czech-Poland frontier are inhabited by molluscan community with many species living in lowlands and this community is different in comparison with molluscan communities of the other investigated localities.
Highlights
Ponds and different water bodies originated by mining enrich aquatic malacofauna of this area by e.g., Lymnaea stagnalis, Gyraulus albus, G. crista, Hippeutis complanatus, Anodonta anatina or Musculium lacustre
The finding of Ferrissia clessiniana is the first record of this non-native mollusc in the territory of Northern Moravia
Water bodies in the Vidnavské mokřiny Wetlands Nature Reserve on the Czech-Poland frontier are inhabited by molluscan community with many species living in lowlands and this community is different in comparison with molluscan communities of the other investigated localities
Summary
Úvod Oblast severně a severozápadně od Hrubého Jeseníku u hranic s Polskem je z pohledu znalostí o vodní malakofauně jedním z mnoha téměř „bílých míst“, neboť množství údajů z této oblasti je mizivé a z řady mapových polí pro síťové mapování fauny neexistuje žádný údaj o výskytu vodních měkkýšů. Z tohoto důvodu jsem do této oblasti směřoval svůj orientační malakozoologický výzkum v letech 2000 a 2001 a zejména v roce 2003. Že se v mnoha případech jednalo o první nálezy řady vodních měkkýšů, tak jsem si dovolil výsledky tohoto průzkumu předložit v této práci tak, aby se staly vodítkem pro další malakozoologický výzkum. Metodika a materiál Průzkum byl proveden celkem na 56 lokalitách v letech 2000, 2001 a 2003. Stejně tak bylo postupováno u měkkýšů, k jejichž determinaci je nutná pitva (některé druhy z čeledi Hydrobiidae, Planorbidae a Lymnaeidae).
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