PreColumbian landuse history in Costa Rica: a 3000year ...
· We analysed pollen and charcoal in a lakesediment core from Laguna Zoncho, a small midelevation lake in southernmost Costa Rica. The record provides evidence of 3000 years of human occupation, forest clearance, agriculture and fires in the area. Laguna Zoncho is loed 2 km from the Las Cruces Biological Station, and results are relevant to understanding .