Portal de Periódicos da CAPES

Artigo Acesso aberto Produção Nacional Revisado por pares

BIBTEX RIS

Regeneração natural em área de reflorestamento misto com espécies nativas no município de Laranjeiras, SE

2018; Volume: 61; Linguagem: Inglês

10.22491/rca.2018.2779

2177-8760

Greice Kelly Oliveira Andrade, Robério Anastácio Ferreira, Mílton Marques Fernandes, Thalita Rocha da Silva, Icaro Bruno Andrade Souza, Juliana Silva Almeida Magalhães,

Growth and nutrition in plants

Mixed reforestation with native species can establish a process of ecological succession in disturbed or degraded areas, with natural regeneration as one of the most important indicators of progression of ecological succession. In this sense, this work was carried out with the objective of evaluating the composition and phytosociological structure of the natural regeneration in a mixed reforestation area with native species in the municipality of Laranjeiras, SE. In a reforested area of 46 ha, 30 plots of 1 x 1 m were sampled, all individuals with a base height circumference < 15 cm and in the following height classes were sampled: 0,30 m ≤ H ≤ 1,0 m; 1,1 m ≤ H ≤ 2; 2,1 m ≤ H ≤ 3 m. The species were classified according to the ecological group to which they belong and their dispersion syndromes. The parameters of the vertical and horizontal structure, the indexes of diversity and equability and the floristic similarity between the planted species and the natural regeneration were analyzed. The species G. americana and S. terebinthifolia are indicated as facilitating species for the restoration of degraded areas in the Atlantic Forest in the State of Sergipe, as they occurred in the three height classes. A predominance of pioneer species, low diversity in natural regeneration was verified, caused by grazing of horses in the area. There was little floristic similarity between the regenerants and the planted tree species, since the planted adult individuals did not reach reproductive age yet.