Structural traits of an eight year old secondary forest in the Central Amazon.

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Presentation of the floristical composition, stratification and growth-form structure of the vegetation in the 1 ha secondary forest in Manaus-AM (Brasil). The variation of the vegetation within 1 ha area is analysed with the aid of multivariate analyses (PCA) of the floristical composition of the plots, and the resulting ordination model is displayed as a covariance biplot. Conclusions are drawn from the floristical and structural analyses concerning the key environmental factors leading to the vegetation studied, and the influence of the surveys on vegetation development, i.e., disturbance such as trampling and cutting of trees, is discussed.

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Brasil, Amazonas, Manaus, Composição Botânica, Crescimento, Estrutura Vegetal, Floresta Tropical Úmida, Madeira, Vegetação Secundária

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