Search Results - "Hedges, Robert E. M"

Chronology of Ksar Akil (Lebanon) and implications for the colonization of Europe by anatomically modern humans by Douka, Katerina, Bergman, Christopher A, Hedges, Robert E M, Wesselingh, Frank P, Higham, Thomas F G

“…The Out-of-Africa model holds that anatomically modern humans (AMH) evolved and dispersed from Africa into Asia, and later Europe. Palaeoanthropological…”
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Community differentiation and kinship among Europe’s first farmers by Bentley, R. Alexander, Bickle, Penny, Fibiger, Linda, Nowell, Geoff M, Dale, Christopher W, Hedges, Robert E. M, Hamilton, Julie, Wahl, Joachim, Francken, Michael, Grupe, Gisela, Lenneis, Eva, Teschler-Nicola, Maria, Arbogast, Rose-Marie, Hofmann, Daniela, Whittle, Alasdair

“…Community differentiation is a fundamental topic of the social sciences, and its prehistoric origins in Europe are typically assumed to lie among the complex,…”
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Single amino acid radiocarbon dating of Upper Paleolithic modern humans by Marom, Anat, McCullagh, James S. O., Higham, Thomas F. G., Sinitsyn, Andrey A., Hedges, Robert E. M.

“…Archaeological bones are usually dated by radiocarbon measurement of extracted collagen. However, low collagen content, contamination from the burial…”
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Predicting Diet, Trophic Level and Palaeoecology from Bone Stable Isotope Analysis: A Comparative Study of Five Red Deer Populations by Stevens, Rhiannon E., Lister, Adrian M., Hedges, Robert E. M.

“…C and N stable isotope ratios of red deer (Cervus elaphus) bone collagen (154 individuals) from five modern populations occupying geographically different…”
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Hydrogen Isotope Ratios in Animal Body Protein Reflect Trophic Level by Birchall, Jennifer, O'Connell, Tamsin C., Tim H. E. Heaton, Robert E. M. Hedges

“…1. Carbon and nitrogen isotope ratios in consumer tissues are known to correlate with diet isotope composition, and nitrogen isotope ratios are observed to…”
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Collagen turnover in the adult femoral mid-shaft: Modeled from anthropogenic radiocarbon tracer measurements by Hedges, Robert E.M., Clement, John G., Thomas, C. David L., O'Connell, Tamsin C.

“…We have measured the 14C content of human femoral mid‐shaft collagen to determine the dynamics of adult collagen turnover, using the sudden doubling and…”
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Metabolomics reveals diet-derived plant polyphenols accumulate in physiological bone by Alldritt, Isabelle, Whitham-Agut, Beatrice, Sipin, Miguel, Studholme, Jacob, Trentacoste, Angela, Tripp, Jennifer A., Cappai, Maria Grazia, Ditchfield, Peter, Devièse, Thibaut, Hedges, Robert E. M., McCullagh, James S. O.

“…Plant-derived secondary metabolites consumed in the diet, especially polyphenolic compounds, are known to have a range of positive health effects. They are…”
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Using stable isotope analysis to examine the effect of economic change on breastfeeding practices in Spitalfields, London, UK by Nitsch, Erika K., Humphrey, Louise T., Hedges, Robert E.M.

“…Breastfeeding patterns were subject to a number of fads in 18th and 19th century Britain. Feeding infants by hand, rather than maternal breastfeeding or…”
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Preparative separation of underivatized amino acids for compound-specific stable isotope analysis and radiocarbon dating of hydrolyzed bone collagen by Tripp, Jennifer A., McCullagh, James S. O., Hedges, Robert E. M.

“…Analysis of stable and radioactive isotopes from bone collagen provides useful information to archaeologists about the origin and age of bone artifacts…”
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Trans-Atlantic slavery: Isotopic evidence for forced migration to Barbados by Schroeder, Hannes, O'Connell, Tamsin C., Evans, Jane A., Shuler, Kristrina A., Hedges, Robert E.M.

“…The question of the ultimate origin of African slaves is one of the most perplexing in the history of trans‐Atlantic slavery. Here we present the results of a…”
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Nitrogen isotopic discrimination in dietary amino acids: The threonine anomaly by Wallace, Carmichael J. A., Hedges, Robert E. M.

“…Rationale The “Threonine Anomaly” relates to an observation made 25 years ago on the change in Thr nitrogen isotopic ratio in mammalian metabolism. Unlike all…”
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Rooting for pigfruit: pig feeding in Neolithic and Iron Age Britain compared by Hamilton, Julie, Hedges, Robert E.M., Robinson, Mark

“…‘They dream of the acorned swill of the world, the rooting for pigfruit…’ Dylan Thomas, Under Milk Wood. Carbon and nitrogen isotopes show a marked change in…”
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Nitrogen isotopes and the trophic level of humans in archaeology by Hedges, Robert E.M., Reynard, Linda M.

“…Human and domesticate animal bone collagen δ 15N values in prehistory differ generally by 3‰ or more from Neolithic to post- Roman times in Northwest Europe,…”
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Radiocarbon and stable isotope investigations at the Central Rhineland sites of Gönnersdorf and Andernach-Martinsberg, Germany by Stevens, Rhiannon E., O'Connell, Tamsin C., Hedges, Robert E.M., Street, Martin

“…The late glacial open-air sites of Gönnersdorf and Andernach-Martinsberg in the German Central Rhineland are well known for their Magdalenian occupation and…”
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Liquid chromatography/isotope ratio mass spectrometry measurement of δ13C of amino acids in plant proteins by Lynch, Anthony H., McCullagh, James S. O., Hedges, Robert E. M.

“…In archaeological studies, the isotopic enrichment values of carbon and nitrogen in bone collagen give a degree of information on dietary composition. The…”
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Carbon isotope analysis of bulk keratin and single amino acids from British and North American hair by McCullagh, James S. O., Tripp, Jennifer A., Hedges, Robert E. M.

“…The reconstruction of ancient diets using isotopic measurements of bone collagen, and other tissues, which survive in archaeological contexts, relies on known…”
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Where the wild things are: aurochs and cattle in England by Lynch, Anthony H., Hamilton, Julie, Hedges, Robert E.M.

“…The aurochs was a type of wild cattle not extinct in Europe until the mid-second millennium BC – so they must have co-existed for centuries with the domestic…”
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Sharp shift in diet at onset of Neolithic by Richards, Michael P., Schulting, Rick J., Hedges, Robert E. M.

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AN INVESTIGATION INTO DIET AT THE SITE OF YARNTON, OXFORDSHIRE, USING STABLE CARBON AND NITROGEN ISOTOPES by LIGHTFOOT, EMMA, O'CONNELL, TAMSIN C., STEVENS, RHIANNON E., HAMILTON, JULIE, HEY, GILL, HEDGES, ROBERT E.M.

“…Summary This paper reports the results of stable isotopic analyses conducted upon animal and human bones recovered from Yarnton, Oxfordshire. Spanning the…”
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The distinction between freshwater- and terrestrial-based diets: methodological concerns and archaeological applications of sulphur stable isotope analysis by Privat, Karen L., O'Connell, Tamsin C., Hedges, Robert E.M.

“…Sulphur isotopes in archaeological bone collagen are not routinely analysed in palaeodietary studies. Here we investigate the potential contribution that…”
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