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Influence of fire history and soil properties on plant species richness and functional diversity in a neotropical savanna Acta Botanica
Silva,Danilo Muniz; Batalha,Marco Antônio; Cianciaruso,Marcus Vinicius.
Differences in plant species richness and composition are associated with soil properties and disturbances such as fire, which can therefore be key determinants of species occurrence in savanna plant communities. We measured species richness, using nine plant functional traits and abundance to calculate three functional diversity indices. We then used model selection analyses to select the best model for predicting functional diversity and richness based on soil variables at sites with three different fire frequencies. We also calculated the community-weighted mean of each trait and used ordination to examine how traits changed across fire frequencies. We found higher species richness and functional dispersion at sites that were more fertile and where fire...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cerrado; Complementarity; Fertility effect; Plant traits; Soil nitrogen.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062013000300005
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