Reproductive trade-offs in extant hunter-gatherers suggest adaptive mechanism for the Neolithic expansion
Identifieur interne : 000026 ( Main/Exploration ); précédent : 000025; suivant : 000027Reproductive trade-offs in extant hunter-gatherers suggest adaptive mechanism for the Neolithic expansion
Auteurs : Abigail E. Page [Royaume-Uni] ; Sylvain Viguier [Royaume-Uni] ; Mark Dyble [Royaume-Uni] ; Daniel Smith [Royaume-Uni] ; Nikhil Chaudhary [Royaume-Uni] ; Gul Deniz Salali [Royaume-Uni] ; James Thompson [Royaume-Uni] ; Lucio Vinicius [Royaume-Uni] ; Ruth Mace [Royaume-Uni] ; Andrea Bamberg Migliano [Royaume-Uni]Source :
- Proceedings of the National Academy of Sciences of the United States of America [ 0027-8424 ] ; 2016.
Abstract
The rise of agriculture during the Neolithic period has paradoxically been associated with worldwide population growth despite increases in disease and mortality. We examine the effects of sedentarization and cultivation on disease load, mortality, and fertility among Agta foragers. We report increased disease and mortality rates associated with sedentarization alongside an even larger increase in fertility associated with both participation in cultivation and sedentarization. Thus, mothers who transition to agriculture have higher reproductive fitness. We provide the first empirical evidence, to our knowledge, of an adaptive mechanism behind the expansion of agriculture, explaining how we can reconcile the Neolithic increase in morbidity and mortality with the observed demographic expansion.
Url:
DOI: 10.1073/pnas.1524031113
PubMed: 27071109
PubMed Central: 4855554
Affiliations:
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strict</wicri:regionArea></affiliation></author><author><name sortKey="Migliano, Andrea Bamberg" sort="Migliano, Andrea Bamberg" uniqKey="Migliano A" first="Andrea Bamberg" last="Migliano">Andrea Bamberg Migliano</name><affiliation wicri:level="1"><nlm:aff id="aff1">Department of Anthropology,<institution>University College London</institution>, London WC1H 0BW,<country>United Kingdom</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author></analytic><series><title level="j">Proceedings of the National Academy of Sciences of the United States of America</title><idno type="ISSN">0027-8424</idno><idno type="eISSN">1091-6490</idno><imprint><date when="2016">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><title>Significance</title><p>The rise of agriculture during the Neolithic period has paradoxically been associated with worldwide population growth despite increases in disease and mortality. We examine the effects of sedentarization and cultivation on disease load, mortality, and fertility among Agta foragers. We report increased disease and mortality rates associated with sedentarization alongside an even larger increase in fertility associated with both participation in cultivation and sedentarization. Thus, mothers who transition to agriculture have higher reproductive fitness. We provide the first empirical evidence, to our knowledge, of an adaptive mechanism behind the expansion of agriculture, explaining how we can reconcile the Neolithic increase in morbidity and mortality with the observed demographic expansion.</p></div></front></TEI><affiliations><list><country><li>Royaume-Uni</li></country></list><tree><country name="Royaume-Uni"><noRegion><name sortKey="Page, Abigail E" sort="Page, Abigail E" uniqKey="Page A" first="Abigail E." last="Page">Abigail E. Page</name></noRegion><name sortKey="Chaudhary, Nikhil" sort="Chaudhary, Nikhil" uniqKey="Chaudhary N" first="Nikhil" last="Chaudhary">Nikhil Chaudhary</name><name sortKey="Dyble, Mark" sort="Dyble, Mark" uniqKey="Dyble M" first="Mark" last="Dyble">Mark Dyble</name><name sortKey="Mace, Ruth" sort="Mace, Ruth" uniqKey="Mace R" first="Ruth" last="Mace">Ruth Mace</name><name sortKey="Migliano, Andrea Bamberg" sort="Migliano, Andrea Bamberg" uniqKey="Migliano A" first="Andrea Bamberg" last="Migliano">Andrea Bamberg Migliano</name><name sortKey="Salali, Gul Deniz" sort="Salali, Gul Deniz" uniqKey="Salali G" first="Gul Deniz" last="Salali">Gul Deniz Salali</name><name sortKey="Smith, Daniel" sort="Smith, Daniel" uniqKey="Smith D" first="Daniel" last="Smith">Daniel Smith</name><name sortKey="Thompson, James" sort="Thompson, James" uniqKey="Thompson J" first="James" last="Thompson">James Thompson</name><name sortKey="Viguier, Sylvain" sort="Viguier, Sylvain" uniqKey="Viguier S" first="Sylvain" last="Viguier">Sylvain Viguier</name><name sortKey="Vinicius, Lucio" sort="Vinicius, Lucio" uniqKey="Vinicius L" first="Lucio" last="Vinicius">Lucio Vinicius</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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