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Dietary transitions among three contemporary hunter-gatherers across the tropics
Reyes-García, Victòria (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals)
Powell, Bronwen (Pennsylvania State University)
Díaz Reviriego, Isabel (Helmholtz Centre for Environmental Research)
Fernández-Llamazares, Álvaro (University of Helsinki)
Gallois, Sandrine (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals)
Guèze, Maximilien (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals)

Date: 2019
Abstract: The diets of contemporary hunter-gatherers are diverse and highly nutritious, but are rapidly changing as these societies integrate into the market economy. Here, we analyse empirical data on the dietary patterns and sources of foods of three contemporary hunter-gatherer societies: the Baka of Cameroon (n = 160), the Tsimane' of Bolivia (n = 124) and the Punan Tubu of Indonesia (n = 109). We focus on differences among villages with different levels of integration into the market economy and explore potential pathways through which two key elements of the food environment (food availability and food accessibility) might alter the diets of contemporary hunter-gatherers. Results suggest that people living in isolated villages have more diverse diets than those living in villages closer to markets. Our results also suggest that availability of nutritionally important foods (i. e. , fruits, vegetables and animal foods) decreases with increasing market integration, while availability of fats and sweets increases. The differences found seem to relate to changes in the wider food environment (e. g. , village level access to wild and/or market foods and seasonality), rather than to individual-level factors (e. g. , time allocation or individual income), probably because food sharing reduces the impact of individual level differences in food consumption. These results highlight the need to better understand the impact of changes in the wider food environment on dietary choice, and the role of the food environment in driving dietary transitions.
Note: Unidad de excelencia María de Maeztu MdM-2015-0552
Note: Número d'acord de subvenció EC/FP7/261971
Note: Número d'acord de subvenció MINECO/MDM-2015-0552
Rights: Tots els drets reservats
Language: Anglès.
Document: article ; recerca ; acceptedVersion
Subject: Animal source foods ; Dietary diversity ; Food environment ; Fruits and vegetables ; Market integration ; Nutrition transition
Published in: Food Security, Vol. 11, Issue 1 (February 2019) , p. 109-122, ISSN 1876-4525

DOI: 10.1007%2Fs12571-018-0882-4


Available from: 2020-02-28
Postprint

The record appears in these collections:
Research literature > UAB research groups literature > Research Centres and Groups (scientific output) > Experimental sciences > Institut de Ciència i Tecnologia Ambientals (ICTA)
Articles > Research articles
Articles > Published articles

 Record created 2019-03-20, last modified 2019-10-03



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