Abstract
Abstract The aim of this study was to evaluate the floristic and structural differences between two fragments of Seasonal Deciduous Forest in the Sao Francisco river, Minas Gerais. A total of 25 plots of 20×20 m in each fragment were allocated and all living individuals with Circumference at Breast Height (CAP) ≥ 15.7 cm were considered. The Shannon-Wienner indices and the Pielou equitability were equal among sampled areas. The Jaccard and Bray-Curtis similarities were 20.7% and 41%, respectively, indicating a high β diversity. Non-metric Multidimensional Scaling (NMDS) resulted in two floristic groups, distinguishing the flora of Presidente Juscelino and Paracatu. These results showed that the areas are floristically different but resemble each other in terms of diversity and structure.
Highlights
AND OBJECTIVESSeasonal Deciduous Forest (FEDs) are naturally fragmented throughout the neotropical region (Pennington et al, 2009)
These fragments are considered remnants of a more extensive area that formed in the Pleistocene and that connected the Caatinga to the Argentine Chaco
It is believed that its distribution is related to the process of retraction of continuous areas that had their maximum expansion during the last Pleistocene glaciation when the climate was dry and cold (Prado & Gibs, 1993)
Summary
AND OBJECTIVESSeasonal Deciduous Forest (FEDs) are naturally fragmented throughout the neotropical region (Pennington et al, 2009). It is believed that its distribution is related to the process of retraction of continuous areas that had their maximum expansion during the last Pleistocene glaciation when the climate was dry and cold (Prado & Gibs, 1993). This vegetation usually occurs in soils of limestone origin, with a high presence of calcium and magnesium (Carvalho & Felfili, 2011; Silva & Scariot, 2003) and frequently associated with outcrops of limestone (Ribeiro & Walter, 2008). In Brazil, the FEDs can be found in the central region of the country, in northern and northeastern
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