Abstract
Nine species of aquatic molluscs (four gastropods and five bivalves) were found at seven sites on the Svitávka River (a tributary of the Ploučnice River, Northern Bohemia). A small viable population of the endangered River pea mussel (Pisidium amnicum) was confirmed by its records at four sites and the critically endangered Fine-lined pea mussel (Pisidium tenuilineatum) was found at one site.
Highlights
Zde protéká v jižním směru nejprve Lužickými horami a následně Ralskou pahorkatinou až do nivy Ploučnice v CHKO Kokořínsko – Máchův kraj, do které se vlévá západně od obce Brenná
Dolní tok na území CHKO Kokořínsko – Máchův kraj byl zkoumán i později v rámci průzkumu Ploučnice autorem tohoto článku (Beran 2016)
Velcí mlži byli hledáni vizuálně a pomocí hmatu v dosažitelné hloubce cca do 80 cm
Summary
Beran L., 2018: Vodní měkkýši Svitávky v severních Čechách [Aquatic molluscs of the Svitávka River in Northern Bohemia]. – Malacologica Bohemoslovaca, 17: 13–16. Beran L., 2018: Vodní měkkýši Svitávky v severních Čechách [Aquatic molluscs of the Svitávka River in Northern Bohemia]. Nine species of aquatic molluscs (four gastropods and five bivalves) were found at seven sites on the Svitávka River (a tributary of the Ploučnice River, Northern Bohemia). A small viable population of the endangered River pea mussel (Pisidium amnicum) was confirmed by its records at four sites and the critically endangered Fine-lined pea mussel (Pisidium tenuilineatum) was found at one site.
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