Heterogeneity of a Tree Species Community in an Alluvial Area of Santa Catarina, Brazil

AUTOR(ES)

Gonçalves, Didiane Ana, Silva, Ana Carolina da, Higuchi, Pedro, Gross, Aline, Rodrigues Junior, Luiz Carlos, Walter, Felipe Fornara, Loebens, Rodineli, Missio, Francieli de Fátima, Pscheidt, Francieli, Ferreira, Tiago de Souza, Rech, Carla Carolina Chini, Rosa, Angélica Dalla, Buzzi Junior, Fernando, Bento, Marco Antonio, Cruz, Aline Pereira

FONTE

Floresta Ambient.

DATA DE PUBLICAÇÃO

18/06/2018

RESUMO

ABSTRACT The aim of the present study was to characterize the floristic-structural heterogeneity of the tree species in an alluvial forest remnant considering three sectors: forest-river edge, forest interior and forest/non-forest matrix edge. Forty-eight plots of 200 m 2 were allocated and all tree individuals with a diameter at breast height (dbh) equal to or greater than 5 cm were measured and identified. Data was analyzed by Shannon’s diversity index, Pielou evenness and phytosociological descriptors. Plots were ordered through NMDS. Sixty-six species were sampled and Myrtaceae was found to be the richest family. Diversity and evenness reached 2.96 and 0.71, respectively. Sebastiania commersoniana (Baill.) L.B.Sm. & Downs presented the highest importance value (21.22%). The NMDS showed that tree components are spatially partitioned according to sectors, therefore indicating floristic-structural heterogeneity.

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