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标题：Avaliao fitossociológica de um fragmento de floresta ombrófila densa localizado a sudoeste do Amapá, Brasil
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作者：Renan de Sousa Lima ; Mauricio Alves Sardinha ; Mikael Bruno Brito Ramos 等
期刊名称：Research, Society and Development
电子版ISSN：2525-3409
出版年度：2022
卷号：11
期号：4
页码：1-13
DOI：10.33448/rsd-v11i4.27646
语种：English
出版社：Grupo de Pesquisa Metodologias em Ensino e Aprendizagem em Ciências
摘要：The objective of the research was to analyze the phytosociology and floristic diversity of a stretch of dense ombrophilous forest located in the Eastern Amazon. With the systemic method, 5 plots of 1 ha were allocated, spaced 0.5 km apart, in a transect of 5 km long by 0.3 km wide. Phytosociological parameters were used for the horizontal and vertical structure. 965 individuals were inventoried, with DBH ≥ 20 cm, classified into 35 families and 92 tree species. Sturges' formula Determined 11 classes of DAP, forming an inverted “J”. The Shannon diversity index was 2.39 nats ind-1 and the Jaccard similarity index was equal to or above 0.33. The most representative families in the study area were Fabaceae (232), Lecythidaceae (143), Sapotaceae (132), and the species with the highest values in the importance value analysis are Pouteria guianensis Aubl. (12.24%), Licania paraensis (10.41%) and Guatteria poeppigiana Mart. (10.10%).
关键词：Amapá;Upland forest;Diversity;Wealth.