LEEP - Laboratório de Ecologia e Evolução de Plantas Universidade Federal de Viçosa

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PHYTOSOCIOLOGICAL COMPOSITION AND FLORISTIC COMPARISON OF CERRADO OF PARAOPEBA FLORA - MG

Balduino, Alexander Paulo do Carmo, Souza, Agostinho Lopes de, Meira Neto, João Augusto Alves, Silva, Alexandre Francisco da, & Silva Júnior, Manoel Cláudio da. (2005). Fitossociologia e análise comparativa da composição florística do cerrado da flora de Paraopeba-MG. Revista Árvore, 29(1), 25-34.

Autores

Joao Augusto Alves Meira Neto

A phytosociological study in the Cerrado “sensu strictu” of The Paraopeba Nacional Forest-
MG was carried out, comparing the qualitative results with other samples. The Paraopeba National Forest
suffered intense clearing in 1952, which motivated the phytosociological study of 1 hectare of woody vegetation
and floristic comparison with others samples. Ten plots of 0.1ha (20x50m) were established and included
in the study all trees. A total of 1990 individuals/ha (total density) and 18.13m2/ha (total
basal area) were recorded. The values of richness (73 species/38 families), of Shannon diversity (3.57) and
the evenness (0.83) suggested great heterogeneity and low ecological dominance. Leguminosae and Vochysiaceae
were the richest families in species. The group of dead trees reached the greater value of importance followed
by Qualea parviflora, Pera glabrata, Erythroxylum suberosum and Qualea grandiflora. The floristic comparative
analysis showed that the Atlantic Forest influenced the similarity values between Santa Bárbara´s Cerrado
and the others. It was different for the Cerrado of Palmas, in which geographic distance was shown to be
the most important factor influencing the floristic composition.

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