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  • Evolutionary distinctness of grayling (Thymallus thymallus) inhabiting the Adriatic river system, as based on mtDNA variation
    Sušnik Bajec, Simona ; Snoj, Aleš ; Dovč, Peter, 1958-
    The northern part of the peri-Adriatic river system is inhabited by a native grayling population. In comparison with the Dunabian population of the Adriatic population is regarded as morphologically ... distinct and therefore recognized as racially differentiated. DNA sequence analysis of the 394-bp fragment of the Adriatic, Dunabian and Atlantic river system revealed nine composite mtDNA haplotypes. The genetic divergence of the Adriatic and the Dunabian-Atlantic haplotypes ranged from 2.52 to 3.10% and from 3.38 to 3.92% in the cytochrome b gene and control region, respectively. On the basis of sequence data an attempt was made to elucidate the phylogeography of the Adriatic population. The molecular data indicate an ancient monophyletic origin and also confirm its distinct position within the Thymallus thymallus species, in spite of the fact that stocking with the Danubian type occured in the Adriatic river system. Therefore the Adriatic population deserves special attention. As a first step in its preservation, its formal distinction by using the name Adriatic grayling is proposed.
    Vir: Biological journal of the Linnean Society. - ISSN 0024-4066 (Vol. 74, 2001, str. 375-385)
    Vrsta gradiva - članek, sestavni del
    Leto - 2001
    Jezik - angleški
    COBISS.SI-ID - 1257096

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