Crown projection area of Licania tomentosa (Benth.) Fritsch (Chrysobalanaceae), estimated by linear regression / Área de projeção da copa de Licania tomentosa (Benth.) Fritsch (Chrysobalanaceae), estimada por regressão linear

Authors

  • Luilla Lemes Alves Brazilian Journals Publicações de Periódicos, São José dos Pinhais, Paraná
  • Eliseu Mendes Monteiro
  • Júnia Laura Pêgo Ribeiro
  • Nívea Fransuelli da Silva Madureira
  • Tamires Mousslech Andrade Penido
  • Diego dos Santos Vieira
  • Bruno Oliveira Lafetá

DOI:

https://doi.org/10.34117/bjdv7n4-466

Keywords:

afforestation, oiti, regression, shading

Abstract

Knowledge of the Crown Projection Area (CPA) allows to make inferences about the shading and to know space occupied by a tree. However, crown measurements are more time-consuming and laborious when compared to those of Circumference Breast Height (CBH). Thus, this work aimed to evaluate regression models and present the most suitable to CPA estimate of Licania tomentosa, in an urban area of São João Evangelista municipality, Brazil. Fifty trees distributed over 7 public roads were sampled. CBH and Crown Diameter (CD, m) were measured for later calculation of its projection area (CPA, m2). Four regression models were tested in order to estimate CPA as a function of CBH alone. The equation derived from of the model “” showed a homoscedastic distribution of the percentage residues, with closer deviations around the abscissa axis. It is concluded that the equation obtained with the adjustment of the simple linear model was the most efficient to estimate of the crown projection area of L. tomentosa. This projection area increased as the stem of the trees thickened.

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Published

2021-04-18

How to Cite

Alves, L. L., Monteiro, E. M., Ribeiro, J. L. P., Madureira, N. F. da S., Penido, T. M. A., Vieira, D. dos S., & Lafetá, B. O. (2021). Crown projection area of Licania tomentosa (Benth.) Fritsch (Chrysobalanaceae), estimated by linear regression / Área de projeção da copa de Licania tomentosa (Benth.) Fritsch (Chrysobalanaceae), estimada por regressão linear. Brazilian Journal of Development, 7(4), 40150–40159. https://doi.org/10.34117/bjdv7n4-466

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Original Papers