Evidence map›Paper›PMID 32917621›Full record

ArticleScience advances2020

Ancient Beringian paleodiets revealed through multiproxy stable isotope analyses.

Carrin M Halffman, Ben A Potter, Holly J McKinney, Takumi Tsutaya, Bruce P Finney, Brian M Kemp, Eric J Bartelink, Matthew J Wooller, Michael Buckley, Casey T Clark and 5 more

Abstract read
In one paragraph

Article in Science advances, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

7 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

15 authors.

Carrin M HalffmanDepartment of Anthropology, University of Alaska Fairbanks, Fairbanks, AK, USA. cmhalffman@alaska.edu rhovanion25@gmail.com.ORCID 0000-0003-3551-7790
Ben A PotterArctic Studies Center, Liaocheng University, Liaocheng City, Shandong Province, China. cmhalffman@alaska.edu rhovanion25@gmail.com.ORCID 0000-0002-4749-0428
Holly J McKinneyDepartment of Anthropology, University of Alaska Fairbanks, Fairbanks, AK, USA.ORCID 0000-0001-7683-2549
Takumi TsutayaJapan Agency for Marine-Earth Science and Technology, Research Institute for Marine Resources Utilization, Yokosuka, Kanagawa, Japan.ORCID 0000-0001-5104-5223
Bruce P FinneyDepartments of Biological Sciences and Geosciences, Idaho State University, Pocatello, ID, USA.ORCID 0000-0002-2639-6512
Brian M KempLaboratories of Molecular Anthropology and Microbiome Research, Norman, OK, USA.ORCID 0000-0003-3945-3392
Eric J BartelinkDepartment of Anthropology, California State University, Chico, CA, USA.ORCID 0000-0001-5050-4088
Matthew J WoollerAlaska Stable Isotope Facility, Water and Environmental Research Center, Institute of Northern Engineering, University of Alaska Fairbanks, Fairbanks, AK, USA.ORCID 0000-0002-5065-4235
Michael BuckleyDepartment of Earth and Environmental Sciences Manchester Institute of Biotechnology, University of Manchester, Manchester, UK.ORCID 0000-0002-4166-8213
Casey T ClarkJoint Institute for the Study of Atmosphere and Ocean, University of Washington, Seattle, WA, USA.ORCID 0000-0002-6311-9768
Jessica J JohnsonDepartment of Biology and Wildlife/Institute of Arctic Biology, University of Alaska Fairbanks, Fairbanks, AK, USA.ORCID 0000-0001-8083-9380
Brittany L BinghamLaboratories of Molecular Anthropology and Microbiome Research, Norman, OK, USA.ORCID 0000-0001-7873-0263
François B LanoëBureau of Applied Research in Anthropology, University of Arizona, Tucson AZ, USA.
Robert A SattlerTanana Chiefs Conference, Fairbanks, AK, USA.
Joshua D ReutherDepartment of Anthropology, University of Alaska Fairbanks, Fairbanks, AK, USA.ORCID 0000-0002-3877-359X

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The earliest Native Americans have often been portrayed as either megafaunal specialists or generalist foragers, but this debate cannot be resolved by studying the faunal record alone. Stable isotope analysis directly reveals the foods consumed by individuals. We present multi-tissue isotope analyses of two Ancient Beringian infants from the Upward Sun River site (USR), Alaska (~11,500 years ago). Models of fetal bone turnover combined with seasonally-sensitive taxa show that the carbon and nitrogen isotope composition of USR infant bone collagen reflects maternal diets over the summer. Using comparative faunal isotope data, we demonstrate that although terrestrial sources dominated maternal diets, salmon was also important, supported by carbon isotope analysis of essential amino acids and bone bioapatite. Tooth enamel samples indicate increased salmon use between spring and summer. Our results do not support either strictly megafaunal specialists or generalized foragers but indicate that Ancient Beringian diets were complex and seasonally structured.

Identifiers

PMID32917621
PMCPMC7473743

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.