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Measuring Foraging Efficiency with Archaeological Faunas: The Relationship Between Relative Abundance Indices and Foraging Returns

Ugan, Andrew ; Bright, Jason

Journal of Archaeological Science, December 2001, Vol.28(12), pp.1309-1321 [Periódico revisado por pares]

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  • Título:
    Measuring Foraging Efficiency with Archaeological Faunas: The Relationship Between Relative Abundance Indices and Foraging Returns
  • Autor: Ugan, Andrew ; Bright, Jason
  • Assuntos: Faunal Analysis, Foraging Efficiency, Artiodactyl Index, Prey Model, Optimal Foraging Theory, Great Basin ; History & Archaeology
  • É parte de: Journal of Archaeological Science, December 2001, Vol.28(12), pp.1309-1321
  • Descrição: In western North America, models from foraging theory have been used to address subsistence change using archaeological faunas. Several studies have argued that return rates from foraging declined in a variety of late Holocene contexts and support this position by applying a method involving the computation of a relative abundance index ( AI ) of large bodied animals to the sum of large and small ones. We present the results of a series of computer simulations devised to identify the relationship between changes in such indices and changes in a forager's average return rate and discuss the implications of these simulations in light of our current work in the Little Boulder Basin Area of north-central Nevada. These include, (1) the importance of using knowledge of both post-encounter return rates and changes in AI s to make inferences about changes in overall return rates; (2) the fact that there are good reasons to expect AI values to be low; and (3) what factors might contribute to the high AI values observed at archaeological sites.
  • Idioma: Inglês

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