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Title: Structural aspects and floristic similarity among tropical dry forest fragments with different management histories in northern minas gerais, Brazil
Other Titles: Aspectos estruturais e similaridade florística entre fragmentos de floresta tropical seca com diferentes históricos de manejo no norte de minas gerais, Brasil
Authors: Arruda, Daniel Meira
Brandão, Diego Oliveira
Costa, Fernanda Vieira
Tolentino, Gláucia Soares
Brasil, Reinaldo Duque
Neto, Santos D’Angelo
Nunes, Yule Roberta Ferreira
Keywords: Anacardiaceae
Astronium Urundeuva
Issue Date: 2011
metadata.dc.publisher.journal: Revista Árvore
metadata.dc.relation.ispartof: Volume 35, Número 1, Pags. 131-142
Abstract: In order to produce useful knowledge to the initiatives of protection and management of forest fragments, more specifically for tropical dry forests which suffer with frequent anthropic activities, and due to the lack of specific studies, this article aimed describe the structure and the floristic similarity among three areas of dry forest with different management histories. The study was developed in Capitão Enéas municipality, Northern Minas Gerais, Brazil, where three fragments were evaluated, being one in regeneration for 30 years, another submitted to occasional fire and the third with selective cut in small scale. The sampling was developed through the point quarter method considering all the alive phanerophyte individuals with circumference at breast height (CBH) ≥ 15 cm. In the three fragments, 512 individuals, distributed in 60 species, 47 genera, and 23 families were sampled. The most representative families were Fabaceae (26), Anacardiaceae (4), Bignoniaceae (3) and Combretaceae (3). However, fourteen families were represented by only one species. Only eight species were common to all fragments - Myracrodruon urundeuva standed out with 26.9% of all sampled individuals - while a great number of species were exclusive of each fragment. The floristic and structural differences between the fragments are possibly related to the history and intensity of management in each area besides the topography variations and the presence or absence of limestone outcrops. These results show the importanceof each fragment, indicating that the loss of anyone would cause negative impacts on the regional flora and consequently to the associated biodiversity.
metadata.dc.identifier.doi: 10.1590/S0100-67622011000100016
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