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A contribution to the phytogeography of Brazilian campos: an analysis based on Poaceae Rev. Bras. Bot.
Garcia,Ricardo José Francischetti; Longhi-Wagner,Hilda Maria; Pirani,José Rubens; Meirelles,Sérgio Tadeu.
Twenty areas from eight Brazilian states were compared according to a list of 224 species of Poaceae. In order to determinate affinity patterns between the areas, a binary matrix was submitted to cluster and ordination analysis. The patterns found were then faced to climate and geographic position. The scores corresponding to the areas obtained from the cluster analysis showed a strong correlation to temperature. The scores corresponding to the species suggest a gradient that associates distribution patterns to the photosynthetic pathway (C3 or C4). The current results suggest that the traditional classification of the Southern American grasslands might require some modification in order to be broadly applicable in the Brazilian context.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Brazilian grasslands; Gramineae; Multivariate analysis; South America.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-84042009000400009
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