ArticleProceedings of the National Academy of Sciences of the United States of America2023
Population trends and the transition to agriculture: Global processes as seen from North America.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 27 citations in OpenAlex.
- A Promising Strain for Wheat Growth Promotion and Antifungal Activity Against Fungal Phytopathogens:Microorganisms · 2026Article
- Quantifying the Impact of Winter Cover Crops on Sediment Export in Small Agricultural Watersheds and Beyond.Environmental management · 2026Article
- Ancient forests help document the long-term impacts of climate change.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Spatiotemporal distribution of the North American Indigenous population prior to European contact.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- A Shortest Distance Priority UAV Path Planning Algorithm for Precision Agriculture.Sensors (Basel, Switzerland) · 2024Article
- Modern archaeological research and the importance of information management.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- The long-term expansion and recession of human populations.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- A model of long-term population growth with an application to Central West Argentina.PloS one · 2024Article
- The past 12,000 years of behavior, adaptation, population, and evolution shaped who we are today.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
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Authors and funding
2 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Agriculture-specifically an intensification of the production of readily stored food and its distribution-has supported an increase in the global human population throughout the Holocene. Today, with greatly accelerated of growth during recent centuries, we have reached about 8 billion people. Human skeletal and archaeobotanical remains clarify what occurred over several millennia of profound societal and population change in small-scale societies once distributed across the North American midcontinent. Stepwise, not gradual, changes in the move toward an agriculturally based life, as indicated by plant remains, left a demographic signal reflecting age-independent ([Formula: see text]) mortality as estimated from skeletons. Designated the age-independent component of the Siler model, it is tracked through the juvenility index (JI), which is increasingly being used in studies of archaeological skeletons. Usually interpreted as a fertility indicator, the JI is more responsive to age-independent mortality in societies that dominated most of human existence. In the midcontinent, the JI increased as people transitioned to a more intensive form of food production that prominently featured maize. Several centuries later, the JI declined, along with a reversion to a somewhat more diverse diet and a reduction in overall population size. Changes in age-independent mortality coincided with previously recognized increases in intergroup conflict, group movement, and pathogen exposure. Similar rises and falls in JI values have been reported for other parts of the world during the emergence of agricultural systems.
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