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Palynological evidence of the replacement of the hygrophilous forest by field vegetation during the last 7,000 years B.P. in the northern coast of Rio de Janeiro, Brazil Anais da ABC (AABC)
Luz,Cynthia F.P. da; Barth,Ortrud M.; Martin,Louis; Silva,Cleverson G.; Turcq,Bruno J..
Historians claim that European colonizers of the northern coast of Rio de Janeiro State found vast herbaceous fields when arrived in this region. Hypotheses about the origin of these fields include forest burning by the Goitacás indians and periodical floods by the Paraíba do Sul River and the lagoon system. The palynologycal analysis of two lake cores obtained in the municipality of Campos dos Goytacazes revealed opening episodes of hygrophilous forest and the establishment of field vegetation, recorded at ca. 6,500 and ca. 4,000 14C yr BP. The partial replacement of forest by field vegetation in the first episode was probably caused by floods of the lower areas during the development of the Holocene lagoon phase. During the second episode, successions of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Brazil; Campos dos Goytacazes; Holocene; Palynology; Vegetation dynamics.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652011000300013
Registros recuperados: 61
Primeira ... 1234 ... Última
 

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