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Structural changes in a conventionally exploited forest in the Paraíba do Sul basin, state of Minas Gerais, Brazil, in the Atlantic Forest domain

The objectives of this study were to evaluate the structural changes caused by the activities of a conventional management plan in a semideciduous forest in the Atlantic Forest domain. The study was conducted in the Fazenda Paciência, municipality of Matias Barbosa, Minas Gerais state, Brazil. A continuous stretch of forest was analyzed, which contained areas that were exploited six years ago and areas that remained untouched. Plots were established to survey the floristic and structural composition of the arboreal vegetation. Data were analized in a comparative way and the state of the non-exploited forest was considered as the desirable one. The study results indicated that the harvesting as it was done at the Fazenda Paciência was causing significant changes in the floristic and structural composition, aside from decreasing the commercial value of the remaining stock, which could endanger the forest resources of the area.

Indicators; Phytosociologic structure; semideciduous seasonal forest; forest exploitation; forest management


Sociedade de Investigações Florestais Universidade Federal de Viçosa, CEP: 36570-900 - Viçosa - Minas Gerais - Brazil, Tel: (55 31) 3612-3959 - Viçosa - MG - Brazil
E-mail: rarvore@sif.org.br