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      Reproductive features of Pisidium casertanum (Poli, 1791) (Bivalvia: Sphaeriidae) in relict lakes of Bolshezemelskaya Tundra

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      Arctic Environmental Research

      Pensoft Publishers

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          Abstract

          The reproductive features of the pea clam Pisidium casertanum in relict lakes of Bolshezemelskaya Tundra were studied. The P. casertanum population in the Vashutkiny Lakes of Bolshezemelskaya Tundra has a single period of summer reproduction. We suppose that the release of embryos mainly occurs between July and August and the breeding season could probably begin in May-June. The positive relationship between brood size and parent shell length was detected. We did not find a specific brooding mechanism, accompanied by asynchronous development and release of embryos by the parent in the population of P. casertanum in the Vashutkiny Lakes. The reason for this is probably related with the environmentally more stable freshwater habitats of the relict Vashutkiny Lakes in comparison with the lakes of the High Arctic.

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          Most cited references 10

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          A Study of the Profundal Bottom Fauna of Lake Washington

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            Molluscan fauna of an Arctic lake is dominated by a cosmopolitan Pisidium species

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              Anatomy and reproduction of viviparous Pisidium (Parapisidium) reticulatum Kuiper, 1966: Implications for the phylogeny of Sphaeriidae (Mollusca: Bivalvia: Heterodonta)

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                Author and article information

                Journal
                Arctic Environmental Research
                AER
                Pensoft Publishers
                2658-7173
                2541-8416
                December 19 2019
                December 19 2019
                : 19
                : 3
                : 113-122
                Article
                10.3897/issn2541-8416.2019.19.3.113
                © 2019

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