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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] what about this: " Bi-iliac breadth, or bi-cristal breadth, as it is sometimes called, is measured as the transverse diameter of the superior margin of the pelvic girdle. [b]This raw measurement is correlated with climatic variables [Crognier, 1981 ; Ruff, 1994], but its fit with climate and/or geography significantly improves when it is scaled to a linear dimen- sion of the body such as stature [Roberts. 1978; Ruff, 1991. 1993, 1994].[/b] For the samples presented here, stature is unknown, and therefore must be predicted from long bone length, e.g. femoral length. In such cases, then, predicted stature is each individual's femoral length subsequent to an arithmetic manipulation, [i.e., femo- ral length x slope, +Y-intercept]. Such prediction formulae inevitably introduce error into the analysis, however, since biologically speak- ing, many individuals are expected to fall well above or well below the predictive line. Thus, to avoid the introduction of further error, stature is not predicted for this analysis, but rather, femoral length [which is highly correlated with stature] is used in its stead" ____________________________________________ With regard to body shape or proportions, there are several means by which these features may be accurately reconstructed from skeletal remains; these means approximate some of the anthropometric data taken on living human subjects. The measures that are used in this study reflect the following: 1 ] intralimb proportions [i.e., relative lengths of the proximal and distal limb segments], 2] limb/ trunk proportions, 3] body linearity relative to overall body mass, and 4] body breadth relative to stature. For all analyses, Gough's Cave 1 is compared to other Late Pleistocene and Early Holocene associated skeletons as well as to a large sample of recent humans from across the western Old World [Africa and Europe]. The fossils have been placed into Mesolithic [< 10,000 BP], Late Upper Paleolithic [LUP; 1 1,000-19,000 BP], Early Upper Paleolithic [EUP; 20,000-28,000 BP] and Neandertal [> 30,000 BP] samples, while the recent humans have been placed into three geographical subsamples: Europe, North Africa and Sub-Saharan Africa. Detailed discussion of these samples is found in Holliday [1995]. - Bulletin of The Natural History Museum HENA.tmrai j HISTORY MUSEUM Geology Series VOLUME 58 NUMBER 1 27 JUNE 2002 The Bulletin of The Natural History Museum [formerly: Bulletin of the British Museum [Natural History] ], http://archive.org/stream/bulletinofnatura58natu/bulletinofnatura58natu_djvu.txt [/QB][/QUOTE]
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