English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

Nitrogen isotope analysis of bone collagen has been used to reconstruct thebreastfeeding practices of archaeological human populations. However, weaningages have been estimated subjectively because of a lack of both information onsubadult bone collagen turnover rates and appropriate analytical models. Here,we present a model for analyzing cross-sectional delta-15N data of subadultbone collagen, which incorporates newly estimated bone collagen turnover ratesand a framework of approximate Bayesian computation. Temporal changes in humansubadult bone collagen turnover rates were estimated anew from data ontissue-level bone metabolism reported in previous studies. A model forreconstructing precise weaning ages was then developed and incorporating theestimated turnover rates. The model is presented as a new open source Rpackage, WARN (Weaning Age Reconstruction with Nitrogen isotope analysis),which computes the age at the start and end of weaning, 15N-enrichment throughmaternal to infant tissue, and delta-15N value of collagen synthesized entirelyfrom weaning foods with their posterior probabilities. A precise reconstructionof past breastfeeding and weaning practices over a wide range of time periodsand geographic regions could make it possible to understand this unique featureof human life history and cultural diversity in infant feeding practices.

WARN: an R package for quantitative reconstruction of weaning ages in archaeological populations using bone collagen nitrogen isotope ratios