Laguna Martínez


Laguna Martínez is one of six other lakes in Costa Rica where maize pollen was recovered. This lake has a surface area of 1.5 ha and a water depth of 3.6m during the dry season.

ID Other ID Type Subtype Uncal BP (years) ± 1 σ (years) Median cal BP (years) Lower cal BP (years) Upper cal BP (years) δ13C Contaminated?
Unknown MicroSample pollen 4760 40 5512 5589 5329 No
Unknown MicroSample pollen 4410 40 4988 5274 4863 No

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References Cited

Arford, M. R. and S. P. Horn
    2004    Pollen Evidence of the Earliest Maize Agriculture in Costa Rica. Journal of Latin American Geography 3(1):108-115.