Floristic and diversity of natural regeneration in clearing areas in Araucaria Forest
DOI:
https://doi.org/10.4336/2019.pfb.39e201801711Keywords:
Arboreal component, Ecological succession, Floristic similarityAbstract
The objective of this reserach was to evaluate and compare data on floristic and natural regeneration diversity in seven clearing areas formed by the selective management of araucaria in remnants of Araucaria Forest. The indices of Shannon and Jaccard were used, respectively, to analyze the floristic diversity and to relate the similarities in each clearing area. The classification of the species into ecological groups was based on literature review. The families Myrtaceae and Salicaceae presented the biggest frequency of species. Araucariaceae did not present a significant number of individuals. The similarity analysis according to Jaccard index with cut line at 50% showed low similarity between the studied clearing areas, indicating high species variability. When using the cut line of 40%, three distinct groups were formed. The ecological group of the initial secondary species was the most representative, as expected due to the natural regeneration in newly formed clearings, indicating an initial successional stage in the new stage of forest evolution.Downloads
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Published
2019-07-16
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Special session
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How to Cite
PARIZOTTO, A. et al. Floristic and diversity of natural regeneration in clearing areas in Araucaria Forest. Pesquisa Florestal Brasileira, v. 39, n. 1, 16 Jul.2019.
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