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The Dutch whalers: a test of a human migration in the oxygen, carbon and nitrogen isotopes of cortical bone collagenKoon, Hannah E.C., Tuross, N. January 2013 (has links)
No / Human migration is a hallmark of the species and there is significant interest in methods that can determine the past migrations of humans and associated fauna. We present a new method that utilizes collagen oxygen, carbon and nitrogen isotopes from histologically informed samples of cortical bone. The utility of this multi-isotopic, life history approach is demonstrated in migrating Dutch whalers, and both the possibilities and limitations of the method are described.
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Krevní paraziti ryb na Svalbardu / Blood parasites of fish from SvalbardPOSPÍŠILOVÁ, Iva January 2014 (has links)
This thesis reviews knowledge about diversity of blood parasites of fish. Blood smears of fish used in this study were obtained in Billefjorden (Svalbard archipelago, Arctic). Desseria myoxocephali, the type species of Desseria, is the only one parasite that was found in the smears. A partial 18S rDNA sequence of D. myoxocephali was prepared and phylogenetic analyses were computed. D. myoxocephali forms a lineage together with Dactylosoma ranarum and Babesiosoma stableri within adeleorinid clade.
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