Luboš Beran
Vodní měkkýši Novohradky
Číslo: 1/2018
Periodikum: Malacologica Bohemoslovaca
Klíčová slova: Mollusca, faunistics, Unio crassus
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Anotace:
This paper presents results of a malacological survey of the Novohradka River, a small river in the Pardubice
Region (Czech Republic, Eastern Bohemia, tributary of the Chrudimka River). Fifteen species of aquatic molluscs
(7 gastropods, 8 bivalves) were found at 13 sites during the research realised in 2015 and 2017. The research
was focused on the population of the endangered bivalve Unio crassus and its recent occurrence was confirmed
at four sites, though its population density is low. Fortunately this population is connected with more numerous
population in the Chrudimka River.
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Region (Czech Republic, Eastern Bohemia, tributary of the Chrudimka River). Fifteen species of aquatic molluscs
(7 gastropods, 8 bivalves) were found at 13 sites during the research realised in 2015 and 2017. The research
was focused on the population of the endangered bivalve Unio crassus and its recent occurrence was confirmed
at four sites, though its population density is low. Fortunately this population is connected with more numerous
population in the Chrudimka River.