Sentence examples for more ancient migrations from inspiring English sources

MtDNA haplogroups Z1a and C4b could represent traces of more ancient migrations in northern Siberia, as these haplogroups have been dated as older and, furthermore, their known sub-clades are found almost exclusively in Arctic populations (see Additional file 2 and Additional file 3) [ 20, 35].

MtDNA haplogroups Z1a1b and Z1a3, present in Yukaghirs, Evens and Dolgans, show traces of different and probably more ancient migration(s).

The Yukaghir gene pool harbor traces of more ancient migration(s) in the arctic regions of Siberia, complemented by recent admixture with Europeans.

The history of B. anthracis in North America has certainly been affected by recent trade, and livestock movement [13], however here we present evidence that the introduction of this pathogen can be traced to much more ancient human migrations.

"In order to really understand migration patterns we need more ancient DNA from different species such as small mammals," Prof Bradley told BBC News.

Of these, the only historically supportable scenarios are ancient migrations from Southern Europe toward Khazaria (6th 13th centuries) and more recent migrations from the Caucasus to Central and Southern Europe (13th 15th centuries) (Polak 1951; Patai and Patai 1975; Straten 2003; Brook 2006; Sand 2009).

In contrast with the recent events of gene flow, this method is not efficacious to trace the directionality from the Mediterranean basin to the Atlantic, a much more ancient process that took place before all the glacial range shifts and post-glacial recolonization migrations, since there is no trace of segregation in that case.

A fine-scale genetic study of common fungal species associated e.g. with Alnus glutinosa [ 15] in its glaciation refugia such as Spain, North Africa, Corsica, Balkans and Turkey, would help quantifying local host-dependent diversification processes in fungi, migration and interbreeding processes at a continental scale, and extrapolate them to more ancient speciation events.

Although this would be consistent with gene flow into India with the Indo-Aryans, or even more ancient origins following the Paleolithic expansion of humans in Eurasia, but also consistent with another scenario: migration from India to Europe.

"I got into following these ancient migrations," he said.

More ancient clusters have been identified.