Natural regeneration of Anadenanthera colubrina (Vell.) Brenan Fabaceae in Altitude Swamp in the county of Bananeiras, Paraíba, Brazil
Journal Title: Revista Verde de Agroecologia e Desenvolvimento Sustentável - Year 2017, Vol 0, Issue 0
Abstract
The Atlantic Forest is currently the most threatened biome due to various anthropogenic pressures. The destruction of habitats linked to fragmentation causes serious consequences for any type of vegetation, especially in the Atlantic Forest in the Northeast of Brazil. The angico, Anadenanthera colubrina, Fabaceae, is an arboreal species with a height of 12-15 m. The study aimed to understand the natural regeneration and evaluate the recruitment of seedlings, occurring in a forest fragment of the Centro de Ciências Humanas, Sociais e Agrárias da Universidade Federal da Paraíba. We selected a population of A. colubrina and 10 random plots (10x10m) were plotted, with a total sample area of 1,000m2 , where all copies of angico less than or equal to 0.30 cm were marked. The study was conducted between the months of December 2014 and July 2015, It was evaluated, height, stem diameter, number of leaves, number of individuals and mortality. The variables set to the linear, quadratic, and cubic regression model. Regarding the mortality rate was 85.45%. Some plots because of its location, or, less human action or competitive, showed an increase in the total number of individuals. The perpetuation of this species in the studied fragment depends mainly on appropriate conditions for seed germination as soon as dispersed and the presence of young plants that occur in the forest understory.
Authors and Affiliations
Ivan Sérgio da Silva Oliveira, Vênia Camelo de Souza, Robson Luis Silva de Medeiros, Miguel Avelino Barbosa Neto, Alex da Silva Barbosa, Gilvaneide Alves de Azeredo
Keywords
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- EP ID EP278379
- DOI 10.18378/rvads.v12i4.4990
- Views 75
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