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Título: | 1492 and the loss of amazonian crop genetic resources. II. Crop biogeography at contact |
Autor: | Clement, Charles Roland |
Data do documento: | 1999 |
Revista: | Economic Botany |
É parte de: | Volume 53, Número 2, Pags. 203-216 |
Abstract: | Fifty seven percent of the 138 cultivated plant species present in Amazonia at contact probably originated in the Amazon Basin and another 27% originated in lowland northern South America. The relationship between probable indigenous human population density and resultant agricultural intensification and crop diversity is used to propose the existence of a mosaic of crop genetic resource concentrations in Amazonia at contact, including two centers of diversity, four outlying minor centers, and five regions of diversity. This methodology is extrapolated to present a synthesis of South American crop genetic biogeography at contact. |
DOI: | 10.1007/BF02866499 |
Aparece nas coleções: | Artigos |
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