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Inferring Human Behaviors from Isotopic Analyses of Rat Diet: a Critical Review and Historical Application

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journal contribution
posted on 31.07.2020, 11:10 by Eric J Guiry, Barry C Gaulton
Rat (Rattus spp.) bone collagen stable isotope values are often assumed to reflect an average of food stuffs that were available to archaeological populations. This paper considers the feasibility of using stable isotope evidence from rat remains as a source of proxy information for human food-related social, economic, and sensorial behaviors. First, a literature review of archaeological and modern ecological rat isotope work reveals that, while rat dietary signatures are often a reasonable proxy for human food waste, they will not always record an unbiased average of foods which are available in a given environment. Second, an overview of ethological, biological, and environmental factors that can influence rat diets is given from the perspective of archaeological bone chemistry, to help identify factors that require explicit and critical consideration when rat stable isotope data is taken as a proxy for human food-related behaviors. Finally, rat stable isotope values are considered to provide new evidence about the social and economic responses of an important historical English fishing community at Ferryland (CgAf-02) to conflict and political turmoil at the turn of the eighteenth century. These results also highlight how information on rat diets can provide a counterpoint to other common faunal isotope approaches that focus on dogs and pigs as a proxy for human dietary behaviors.

History

Citation

J Archaeol Method Theory 23, 399–426 (2016). https://doi.org/10.1007/s10816-015-9248-9

Author affiliation

School of Archaeology and Ancient History

Version

AM (Accepted Manuscript)

Published in

Journal of Archaeological Method and Theory

Volume

23

Issue

2

Pagination

399 - 426

Publisher

Springer Science and Business Media LLC

issn

1072-5369

eissn

1573-7764

Copyright date

2016

Language

en

Publisher version

https://link.springer.com/article/10.1007/s10816-015-9248-9#Abs1