Journal
JOURNAL OF ISLAND & COASTAL ARCHAEOLOGY
Volume 9, Issue 2, Pages 183-202Publisher
ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
DOI: 10.1080/15564894.2014.881935
Keywords
behavioral ecology; formative period; historical ecology; maritime adaptations; Mesoamerica; mollusks; optimal foraging theory
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Shellfish remains excavated from an early agricultural village on the Pacific Coast of Mexico (Guerrero) indicate a dietary shift from locally obtained estuarine shellfish (1400-1100 BC) to a greater diversity of mollusks collected from more distant marine environments (900-500 BC). The timing of this shift suggests that it occurred as human populations increased and impacted the availability of local estuarine resources. We argue that this prompted the incorporation of a more diverse array of shellfish species harvested at greater distances or obtained via trade, possibly with the use of boats to transport shellfish and other resources back to the village.
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