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Structure and floristics of two alluvial forests fragments in the Valley of Paraiba do Sul river, São Paulo State, Brazil

The Valley of Paraiba do Sul River is marked by the suppression of river-margin native vegetation. The flora and the structure of forests fragments located in São José dos Campos (Eugênio de Melo - EM) and Tremembé (TR) have been characterized to obtain a list of tree species recommended for recovery of degraded floodplain areas. Each area received two plots (50 × 20 m) with the criteria of trees with breast diameter height (1.30 m) ≥ 5 cm. The data interpretation was based on usual phytosociology parameter and multivariate analyzes, as well as the Shannon diversity index (H') and Pielou evenness (E). The phytophysionomy in TR is more heterogeneous and complex compared to EM, whose homogeneity is expressed by the predominance of Sebastiania commersoniana and Alchornea triplinervia.

gallery forest recovery; riparian zone; swamp forest


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