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Population Affinities of the Jebel Sahaba Skeletal Sample (Holliday 2013)
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[QUOTE]Originally posted by the lioness,: [QB] please post a little more info from this, something with numerical ratios mentioned or charted on a scale that's not dendogram Abstract The Lower Nubian Epipaleolithic site of Jebel Sahaba (Sudan) was discovered in 1962. From 1962–1966, a total of 58 intentionally-buried skeletons were uncovered at the site. Diagnostic microliths indicative of the Qadan industry as well as the site's geology suggest an age of 14–12 ka for these burials. In this study, the body proportions of the Jebel Sahaba sample are compared to those of a large (max N = 731) sample of recent human skeletons from Europe, Africa, and circumpolar North America, as well as to terminal Pleistocene “Iberomaurusian” skeletons from the Algerian sites of Afalou-Bou-Rhummel and the later Capsian-associated Ain Dokhara specimen, as well as Natufian skeletons from the southern Levantine site of El Wad.Bivariate analyses distinguish Jebel Sahaba from European and circumpolar samples, but do not tend to segregate them from recent North or sub-Saharan African samples. Multivariate analyses (PCA, PCO with minimum spanning tree, NJ cluster analyses) indicate that the body shape of the Jebel Sahaba humans is most similar to that of recent sub-Saharan Africans, and different from that of either the Levantine Natufians or the northwest African “Iberomaurusian” samples. Importantly, these results corroborate those of Irish (2000, 2005) and Franciscus (1995, 2003) who, using dental, oral, and nasal morphology, found that Jebel Sahaba was most similar to recent sub-Saharan Africans, and morphologically distinct from their penecontemporaries in other parts of North Africa or the groups that succeed them in Nubia. [IMG]http://i371.photobucket.com/albums/oo160/brandonpilcher/b9bdb805-bd92-4544-9f56-0ba40133a41f_zpse13095c4.jpg[/IMG] [b]Jebel Sahaba[/b] Sudan around 13,140 to 14,340 years old. [b]Ain Dokhara [/b] Capsian [b]Afalou[/b] Iberomaurusian [b] El Wad[/b] ( Natufian) southern Levantine ^^^^ Interesting that Ain Dokhara Capsian cluster with Africans yet they came later in the Maghreb than the Mechta-Afalou Iberomaurusian who cluster with Alaskan Eskimo groups, Koniag, Ipiutak an Tigara. It seems surprising. -but not so much in light of the study> Saami and Berbers--an unexpected mitochondrial DNA link. Achilli et al Both groups have haplotypes U (in particular, U5b) in common. However a small fraction of the Saami 5% of the Saami haplogroup diversity are also haplogroup D (D5) and Z, both of which are seen in Asian populations, possible Alakan crossover genetically. But regardless scandinavian Sami and Eskimo groups are cold adpated and have very short limb ratios. The Sami are not represented in the table however the Afalou Iberomaurusians are clustering with Eskimo groups in terms of limb ratios according to this chart That is why if one is looking for a more African related population the Capsian who came after the Iberomaurusians are who should be looked at if you are looking for a more African affinity to modern Mahgrebian groups (assuming that there is continuity) [URL=http://www.ephotobay.com/share/picture-25-65.html] [IMG]http://www.ephotobay.com/image/picture-25-65.png[/IMG][/URL] Green: [b]Afalou[/b] Iberomaurusian -cluster with Eskimo limb ratios ___________________ Light Blue [b]Ain Dokhara [/b] Capsian -cluster with Egypt/African American/Pygmy limb ratios ________________________________________________ Another thing, pygmy limb ratios. What are they? What do they average? Obviously genetically they have affinity with African groups-although they do have distnct gentic features. But strictly going by limb ratios many pygmies appears to have very long torsos. In addition I have read theorizing that their small stature may indicate Bergman's rule Regardless on the dendogram they cluster on the dendogram with African Americans. I would like to see their average ratios. I also observe once again in this Population Affinities of the Jebel Sahaba, at least in this dendogram a lack of modern Near Eastern, Anatolian comparisions or Southern European. [/QB][/QUOTE]
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