Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Dendrometric Relationships and Biomass in Commercial Plantations of Dipteryx spp. in the Eastern Amazon

Lucas Sérgio de Sousa Lopes
* ORCID logo ,
Daniela Pauletto
,
Emeli Susane Costa Gomes
,
Ádria Fernandes da Silva
,
Thiago Gomes de Sousa Oliveira
,
Jéssica Aline Godinho da Silva
,
Diego Damázio Baloneque
,
Lucieta Guerreiro Martorano
ORCID logo
Version 1 : Received: 29 September 2023 / Approved: 30 September 2023 / Online: 30 September 2023 (05:42:45 CEST)

A peer-reviewed article of this Preprint also exists.

de Sousa Lopes, L.S.; Pauletto, D.; Gomes, E.S.C.; da Silva, Á.F.; de Sousa Oliveira, T.G.; da Silva, J.A.G.; Baloneque, D.D.; Martorano, L.G. Dendrometric Relationships and Biomass in Commercial Plantations of Dipteryx spp. in the Eastern Amazon. Forests 2023, 14, 2167. de Sousa Lopes, L.S.; Pauletto, D.; Gomes, E.S.C.; da Silva, Á.F.; de Sousa Oliveira, T.G.; da Silva, J.A.G.; Baloneque, D.D.; Martorano, L.G. Dendrometric Relationships and Biomass in Commercial Plantations of Dipteryx spp. in the Eastern Amazon. Forests 2023, 14, 2167.

Abstract

Dipteryx spp. is an important species in reforestation in the Amazon. The objective of this study is to characterize and compare the relationships between dendrometric variables in Dipteryx spp. stands in the Western Amazon by fitting linear regression equations for total height and crown diameter. Six forest stands were evaluated in three municipalities. Dendrometric variables collected included diameter at 1.3 m height (dbh), total height (ht) and crown diameter (dc). Simple and multiple linear regression equations were fitted to characterize the relationships between ht and dc. The total aboveground biomass of Dipteryx spp. trees and the carbon stock of the stands were estimated. The general equations showed higher R² values, exceeding 0.7. The general equations for estimating ht and dc were significant for all coefficients. The trees averaged 22 t/ha of aboveground biomass in the stands. There was a variation in carbon sequestration potential among stands, ranging from 5.12 to 88.91 t CO2.ha-1. Single-input equations using dbh as an independent variable are recommended for estimating dc and ht for individual Dipteryx spp. stands. Stands in the Western Amazon play a significant role in carbon sequestration and accumulation. Trees can sequester an average of 4.8 tons of CO2 per year.

Keywords

carbon; crown diameter; regression

Subject

Biology and Life Sciences, Forestry

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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