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- Title
Distribuição espacial e estrutura populacional de Parkia platycephala Benth.
- Authors
da SILVA, Leovandes Soares; de MOURA, Cristiane Coelho; dos Santos VIEIRA, Diego; dos SANTOS, Tatiano Ribeiro; MACHADO, Evandro Luiz Mendonça; SALOMÃO, Natália Viveiros
- Abstract
The objective was to know the spatial pattern and structure of two populations of Parkia platycephala, in two areas in the south of Piauí. A census was taken of individuals who had at least one bole with breast height diameter (DBH) ≥ 5 cm. To do so, the two areas sampled were divided into tracks containing 20 meters wide. Within these ranges, the Cartesian coordinates were the diameter of the individuals. To calculate the spatial distribution, the univariate Ripley K function was applied. For the diametrical distribution, class intervals with increasing amplitudes were used. In area I, 101 individuals and basal area of 7,744 m2 / ha were sampled, for area II, 66 individuals and basal area of 4,654 m2 / ha. The individuals of P. platycephala showed an aggregate occurrence pattern in both areas. Smaller individuals occur close to larger individuals, forming an aggregate population. In relation to the spatial pattern of the individuals by diametric class the random was predominant, differing in intensities, as the diameters increase. The diameter and height classes reveal possible recruitment difficulties, which is why most individuals are above 10cm in diameter and 6m in height, respectively.
- Publication
Nativa, 2019, Vol 7, Issue 6, p739
- ISSN
2318-7670
- Publication type
Article
- DOI
10.31413/nativa.v7i6.7556