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Pollen evidence of maize cultivation 2700 B.P. at La Selva Biological Station, Costa Rica

Horn, Kennedy
From the text... 'Because maize is a plant that requires human cultivation for survival, we can infer from the distribution of maize pollen that sedentary agriculturalists were present at La Selva by 2700 B.P. This interpretation is consistent with…
Type: Document
Year: 2001

Pre-Columbian Native American use of fire on southern Appalachian landscapes

Delcourt, Delcourt
Fire suppression in the southern Appalachians is widely considered responsible for decreased regeneration in oak (Quercus) and fire-adapted species such as table mountain pine (Pinus rigida) and pitch pine (Pinus pungens) (Barden & Woods 1976;…
Type: Document
Year: 1997