Abstract
Analysis of fossil pollen from the Maya site of Colha, Belize, revealed a complex history of human‐caused forest and land modification. Evidence of forest clearing, irrigation canal and raised field construction, and prehistoric domesticated plant use are apparent in the fossil pollen assemblages. Radiocarbon dates attest to a widespread clearing and the early cultivation of manioc (Manihot esculentum) and probably maize (Zea mays) by 2500 BC, with later Maya populations growing cotton (Gossypium) and chilies (Capsicum). The use of pollen analysis at this tropical archaeological site provides a wealth of data unavailable through other means.