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Modeling a primate technological niche.

Jonathan S Reeves1, Tomos Proffitt2, Lydia V Luncz2

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Agent-based modeling reveals how primate tool transport creates long-distance material culture patterns over time. This research clarifies niche construction and the challenges of linking hominin behavior to archaeological records.

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Area of Science:

  • Paleoanthropology
  • Archaeology
  • Primatology

Background:

  • Hominin evolutionary success is linked to tool use and environmental modification.
  • Understanding the archaeological record formation is crucial for studying hominin behavior-environment interactions.
  • Primate tool-use observations offer insights into material record creation in specific contexts.

Purpose of the Study:

  • To investigate how repeated short-distance tool transport events by primates influence landscape-scale material culture patterning over time.
  • To reconcile primate behavioral data with the time-averaged nature of Plio-Pleistocene archaeological records.
  • To elucidate niche construction processes related to tool transport.

Main Methods:

  • Utilized an agent-based model to simulate tool transport behaviors.
  • Analyzed the conditions under which short-distance transport leads to long-distance displacement of stone tools.
  • Examined the impact of tool transport on resource accessibility over time.

Main Results:

  • Accumulated short-distance transport events can result in significant landscape-scale patterning of material culture.
  • Widespread redistribution of tools can increase access to tool-requiring resources.
  • The resulting material record structure is dependent on the interplay between tool transport and environmental conditions.

Conclusions:

  • The study provides insights into niche construction associated with primate tool transport.
  • Results have implications for inferring hominin tool transport from archaeological assemblages.
  • Highlights the difficulties in connecting specific behavioral processes with archaeological patterning.