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Chomik europejski (Cricetus cricetus L., 1758) jest obecnie gatunkiem zagrożonym w europejskiej części zasięgu. W Ustawie o Ochronie Przyrody z 2004 roku jest objęty ochroną ścisłą z zaznaczeniem, że wymaga ochrony czynnej. Obejmuje go ochroną Dyrektywa Siedliskowa Unii Europejskiej z roku 1992, która jest obowiązująca dla wszystkich państw członkowskich. Na „Polskiej czerwonej liście zwierząt” widnieje...
We studied populations of Sorex araneus Linnaeus, 1758 in the upper Drwęca River valley and in the vicinity of Lake Szeląg Wielki. We found that the cline of frequency of metacentric np decays in the Drwęca River valley, which results in a smooth transition between the Stobnica race (karyotype hi, ko, gm, np) and the Laska race (hi, ko, gm). However, on the west shore of Lake Szeląg Wielki the cline...
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