Freshwater bivalve molluscs in artificial reservoirs of Uzbekistan
AbstractBivalve molluscs were studied for the first time in the water reservoirs of Kattakurgan and Chumkurgan districts and Jizzakh region, Uzbekistan. The occurrence of Sinadonta orbicularis, S. puerorum and S. gibba and ecological groups are shown for the first time. During detailed studies of bivalve molluscs in artificial water reservoirs near mountainous areas it was found that a total of 8–11 species live in such reservoirs. Three species were found for the first time in artificial reservoirs: Sinanodonta gibba, S. orbicularis and S. puerorum. Only Unionidae and Corbiculidae were found in water reservoirs in flat lands. Kattakurgan water reservoir is located in the beautiful area of mountain. That’s why different species of molluscs exist there. Bivalve molluscs extended in water reservoirs such as: Colletopterum bastrianum, C. cyreum sogdianum, Corbicula cor, C. purpurea and C. fluminalis are entered to The Red Book of the Republic of Uzbekistan (Shernazarov 2006) because such species molluscs are rare and endemic. All bivalve molluscs can be considered as good filterers and play an important role in cleaning of water.
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