Expansion of tree-shrub vegetation in upper-montane open areas adjacent to forest fragments, in “Planalto Sul Catarinense” region

Authors

DOI:

https://doi.org/10.5902/1980509825998

Keywords:

Highlands Araucaria Forest, Dynamic patterns, Environmental analysis

Abstract

The study aimed to understand the dynamic patterns of natural regeneration of shrub-tree species and determine whether these patterns are influenced by environmental variables, in three open areas in natural regeneration (diameter at breast height < 5 cm), in contact to upper montane Araucaria Forest fragments, located in the Southern Plateau of Santa Catarina state. Three 20x100 m transects, subdivided into sub-plots of 10x10 m, were installed in each area, perpendicular to the edge of the fragments with their length covering the grassland area. All shrub-tree regenerating individuals greater than or equal to 20 cm height were sampled. In each sub-plot, the environmental data were collected: soil physico-chemical properties, the degree of soil compaction and the altimetric quota. One year after the frst inventory, the dynamics rates were obtained for the three community and populations, and the found patterns related to environmental variables. The data were analyzed through Kruskal-Wallis tests, multiple comparison tests, chi-square test, applied to a contingency table, Principal Component Analysis (PCA) and linear mixed models. The results demonstrated that during the evaluated period, the natural regeneration process of the shrub-tree component is found in an early stage and it was characterized by abundance increment, richness stability, spatial independency between mortality and recruitment, and recruitment limitation in function of low soil natural fertility and high Al availability.

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Author Biographies

Juliana Pizutti Dallabrida, Universidade do Estado de Santa Catarina, Lages, SC

Engenheira Florestal, Dr., Professor do Departamento de Engenharia Florestal, Universidade do Estado de Santa Catarina.

Ana Carolina Silva, Universidade do Estado de Santa Catarina, Lages, SC

Engenheira Florestal, Dr., Professor do Departamento de Engenharia Florestal, Universidade do Estado de Santa Catarina.

Pedro Higuchi, Universidade do Estado de Santa Catarina, Lages, SC

Engenheiro Florestal, Dr., Professor do Departamento de Engenharia Florestal, Universidade do Estado de Santa Catarina.

Janaina Gabriela Larsen, Universidade do Estado de Santa Catarina, Lages, SC

Engenheira Florestal, Departamento de Engenharia Florestal, Universidade do Estado de Santa Catarina.

Guilherme Neto Santos, Universidade do Estado de Santa Catarina, Lages, SC

Engenheiro Florestal, Departamento de Engenharia Florestal, Universidade do Estado de Santa Catarina.

Carla Luciane Lima, Universidade do Estado de Santa Catarina, Lages, SC

Engenheira Florestal, MSc., Departamento de Engenharia Florestal, Universidade do Estado de Santa Catarina.

Luiz Carlos Rodrigues Júnior, Universidade do Estado de Santa Catarina, Lages, SC

Engenheiro Florestal, Departamento de Engenharia Florestal, Universidade do Estado de Santa Catarina.

Felipe Domingos Machado, Universidade do Estado de Santa Catarina, Lages, SC

Engenheiro Florestal, Departamento de Engenharia Florestal, Universidade do Estado de Santa Catarina.

Aline Pereira Cruz, Universidade do Estado de Santa Catarina, Lages, SC

Bióloga, MSc., Departamento de Engenharia Florestal, Universidade do Estado de Santa Catarina.

Amanda da Silva Nunes, Universidade do Estado de Santa Catarina, Lages, SC

Engenheira Florestal, MSc., Departamento de Engenharia Florestal, Universidade do Estado de Santa Catarina.

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Published

2019-04-04

How to Cite

Dallabrida, J. P., Silva, A. C., Higuchi, P., Larsen, J. G., Santos, G. N., Lima, C. L., Rodrigues Júnior, L. C., Machado, F. D., Cruz, A. P., & Nunes, A. da S. (2019). Expansion of tree-shrub vegetation in upper-montane open areas adjacent to forest fragments, in “Planalto Sul Catarinense” region. Ciência Florestal, 29(1), 130–143. https://doi.org/10.5902/1980509825998

Issue

Vol. 29 No. 1 (2019)

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Articles

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A revista CIÊNCIA FLORESTAL reserva-se o direito de realizar, nos originais, alterações de ordens normativas, ortográficas e gramaticais, com vistas a manter o padrão escolar da língua, mas respeitando o estilo dos autores. As provas finais podem ou não ser enviadas aos autores.

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