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https://repositorio.inpa.gov.br/handle/1/19725
Title: | White-sand vegetation of Brazilian Amazonia ( caatinga). |
Authors: | Anderson, Anthony B. |
Keywords: | Cellular Organisms |
Issue Date: | 1981 |
metadata.dc.publisher.journal: | Biotropica |
metadata.dc.relation.ispartof: | Volume 13, Número 3, Pags. 199-210 |
Abstract: | The described vegetation type, 'Amazon caatinga', is distinguished by its white-sand soil, scleromorphic physiognomy, and unusual floristic composition. The scleromorphic physiognomy of the caatinga indicates a lack of nutrients and/or periodic water deficiencies in the soil. Extreme edaphic conditions and the insularity of these sites have probably acted as powerful selective forces, generating a biota characteristically low in diversity and high in endemism. Numerous endemics may currently face extinction due to widespread burning. Repeated fires on white-sand sites result in the effective arrest of succession.-from Author |
metadata.dc.identifier.doi: | 10.2307/2388125 |
Appears in Collections: | Artigos |
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