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All Journal Indonesian Journal of Geography
Mariana Thomaz
Department of Cartography, School of Technology and Sciences, São Paulo State University (FCT/UNESP). Roberto Simonsen St, 305, Presidente Prudente – SP, Brazil, 19060 – 900.
Earth & Planetary Sciences

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Structure and tree diversity of an inland Atlantic Forest–A case study of Ponte Branca Forest Remnant, Brazil Rorai Martins-Neto; Antonio Tommaselli; Nilton Imai; Adilson Berveglieri; Mariana Thomaz; Gabriela Miyoshi; Baltazar Casagrande; Raul Guimarães; Eduardo Ribeiro; Eija Honkavaara; Mariana Campos; Raquel de Oliveira; Hassan David
Indonesian Journal of Geography Vol 54, No 1 (2022): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijg.61120

Abstract

The Atlantic Forest is the most fragmented and threatened domain in Brazil. The main remnants are in the coastal regions. This paper describes a study performed at a protected federal reserve in Brazil located in western of São Paulo state, which is a transition with the Savannah. A forestry survey was made for understanding the forest structure, diversity, and floristic composition of an inland Atlantic Forest area. A total of 3,181 individuals with a Diameter at Breast Height over 3.5 cm were sampled. The data sample was composed of 29 families and 64 species from 15 plots. Forty-seven percent of the species were classified as a pioneer, 42% as secondary, and 11% as climax. The species Eugenia uniflora presented the highest importance value index. The values of Shannon-Weaver diversity and Pielou equitability index indicate the area has less diversity than others in the same phytophysiognomy and was dominated by a few species with many individuals. Several anthropogenic disturbances altered the forest cover of the Ponte Branca Forest remnant, which is in the process of secondary succession.
Co-Authors Adilson Berveglieri Antonio Tommaselli Baltazar Casagrande Eduardo Ribeiro Eija Honkavaara Gabriela Miyoshi Hassan David Mariana Campos Nilton Imai Raquel de Oliveira Raul Guimarães Rorai Martins-Neto