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Title: Tree succession across a seasonally dry tropical forest and forest-savanna ecotone in northern Minas Gerais, Brazil
Keywords: Caatinga
Floristic similarity
Forest succession
Issue Date: Oct-2017
Publisher: Oxford Academic
Citation: COELHO, P. A. et al. Tree succession across a seasonally dry tropical forest and forest-savanna ecotone in northern Minas Gerais, Brazil. Journal of Plant Ecology, [S.l.], v. 10, n. 5, p. 859-868, Oct. 2017.
Abstract: Aims Understanding succession in tropical forest is an important aspect of vegetation science, but to date, successional processes in seasonally dry tropical forests (SDTFs) have received much less attention than evergreen humid tropical forests. We aim to fill this knowledge gap. Methods We investigated vegetation succession in SDTF areas consisting of three different successional stages (early, intermediate, late), and a SDTF-savanna ecotone in the municipal district of Juramento, north of Minas Gerais State, Brazil. Using twelve 400 m2 plots in each area, we compared vegetation parameters and structural variables (absolute density and basal area) and examined the floristic composition of the tree component to find gradients of change. Important Findings We found evidence of species turnover along a successional gradient, with the intermediate stage showing the highest species richness and diversity. This was accompanied with a significant increase in the number of tree individuals and basal area from the ​early to intermediate successional stage. However, the intermediate and late SDTF successional stages were more similar in structure and floristics. The ecotone was the most species rich and was similar to the intermediate SDTF and early successional stage in species richness and floristic composition respectively. These results will have implications for guiding SDTF management and recovery programs.
Appears in Collections:DCF - Artigos publicados em periódicos

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