Natural regeneration of tree species in the understory of Corymbia citriodora in Florestal city, Minas Gerais, Brazil

Acta Brasiliensis

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Title Natural regeneration of tree species in the understory of Corymbia citriodora in Florestal city, Minas Gerais, Brazil

Regeneração natural de espécies arbóreas no sub-bosque de Corymbia citriodora no município de Florestal, Minas Gerais, Brasil
 
Creator Fonseca, Laís Alvares
Braga, Francisco de Assis
Fernandes, Geanderson Santiago
 
Description The natural regeneration of tree species in forested areas has been studied by several researches. This study aimed to evaluate the natural regeneration of tree species in Corymbia citriodora (Hook.) K. D. Hill & L. A. Johnson planted forest understory in Florestal, Minas Gerais, Brazil. Individuals with diameter at breast height (DBH) ≥ 5 cm were evaluated in seven 25 x 4 m plots randomly distributed. A phytosociological survey was carried out and the ecological groups and the dispersal syndromes of the regenerants were determined. We found 28 species belonging to 12 families, among which Fabacea and Annonaceae stood out. Density was 1,557 regenerants ha-1, and basal area was 23 m2 ha-1. The most important species were Psidium sp; Schefflera macrocarpa (Cham. & Schltdl.) Frodin; Pera  glabrata (Schott) Poepp. ex Baill.; Astronium fraxinifolium Schott & Spreng.; Matayba guianensis Aubl.; and Plathymenia reticulata Benth. We found 35% pioneer, 40% early secondary, 18% late secondary, and 7% climax species, of which 57% are zoochoric, 40% anemochoric, and 3% autochoric. It is concluded that the natural regeneration in the understory studied comprises typical species of the Seasonal Semideciduous Forest of the Atlantic Forest biome, presenting significant density and individuals from all ecological groups.The natural regeneration of tree species in forested areas has been studied by several researches. This study aimed to evaluate the natural regeneration of tree species in Corymbia citriodora (Hook.) K. D. Hill & L. A. Johnson planted forest understory in Florestal, Minas Gerais, Brazil. Individuals with diameter at breast height (DBH) ≥ 5 cm were evaluated in seven 25 x 4 m plots randomly distributed. A phytosociological survey was carried out and the ecological groups and the dispersal syndromes of the regenerants were determined. We found 28 species belonging to 12 families, among which Fabacea and Annonaceae stood out. Density was 1,557 regenerants ha-1, and basal area was 23 m2 ha-1. The most important species were Psidium sp; Schefflera macrocarpa (Cham. & Schltdl.) Frodin; Pera  glabrata (Schott) Poepp. ex Baill.; Astronium fraxinifolium Schott & Spreng.; Matayba guianensis Aubl.; and Plathymenia reticulata Benth. We found 35% pioneer, 40% early secondary, 18% late secondary, and 7% climax species, of which 57% are zoochoric, 40% anemochoric, and 3% autochoric. It is concluded that the natural regeneration in the understory studied comprises typical species of the Seasonal Semideciduous Forest of the Atlantic Forest biome, presenting significant density and individuals from all ecological groups.
A regeneração natural de espécies arbóreas em áreas com plantios florestais tem sido estudada por diversas pesquisas. Este estudo objetivou avaliar a regeneração natural de espécies arbóreas no sub-bosque de floresta plantada de Corymbia citriodora (Hook.) K. D. Hill & L. A. Johnson em Florestal, Minas Gerais, Brasil. Foram avaliados os indivíduos com diâmetro a altura do peito DAP > 5 cm, em sete parcelas de 25 x 4 m, lançadas ao acaso. Elaborou-se estudo fitossociológico e determinou-se os grupos ecológicos e as síndromes de dispersão das regenerantes. Foram encontradas 28 espécies, pertencentes a 12 famílias, com destaque para Fabacea e Annonaceae. A densidade foi de 1.557 indivíduos regenerantes ha-1 e a área basal de 23 m2 ha-1. As espécies de maior importância foram Psidium sp; Schefflera macrocarpa (Cham. & Schltdl.) Frodin; Pera glabrata (Schott) Poepp. ex Baill.; Astronium fraxinifolium Schott & Spreng.; Matayba guianensis Aubl. e Plathymenia reticulata Benth. Foram encontradas 35% de pioneiras, 40% secundárias iniciais, 18% secundárias tardias e 7% climácicas; sendo 57% zoocóricas, 40% anemocóricas e 3% autocóricas. Conclui-se que na regeneração natural no sub-bosque em estudo foram encontradas espécies típicas da tipologia Floresta Estacional Semidecidual do bioma Mata Atlântica, apresentando significante densidade e indivíduos de todos os grupos ecológicos.
 
Publisher Universidade Federal de Campina Grande - UFCG
 
Date 2019-09-30
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
 
Format application/pdf
 
Identifier http://revistas.ufcg.edu.br/ActaBra/index.php/actabra/article/view/244
10.22571/2526-4338244
 
Source Acta Brasiliensis; Vol 3 No 3 (2019): Acta Brasiliensis; 106-110
Acta Brasiliensis; Vol 3 No 3 (2019): Acta Brasiliensis; 106-110
Acta Brasiliensis; Vol 3 No 3 (2019): Acta Brasiliensis; 106-110
2526-4338
2526-432X
 
Language eng
 
Relation http://revistas.ufcg.edu.br/ActaBra/index.php/actabra/article/view/244/73
 
Rights Copyright (c) 2019 Acta Brasiliensis
 

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