Biomassa de espécies florestais em área de caatinga arbórea

Aline Pereira Virgens; Patrícia Anjos Bittencourt Barreto-Garcia; Alessandro de Paula; Flávia Ferreira de Carvalho; Mariana de Aquino Aragão; Paulo Henrique Marques Monroe

doi:10.4336/2017.pfb.37.92.1465

Biomass of forest species in arboreal caatinga

Authors

Aline Pereira Virgens Southwest Bahia State University
Patrícia Anjos Bittencourt Barreto-Garcia Southwest Bahia State University
Alessandro de Paula Southwest Bahia State University
Flávia Ferreira de Carvalho Southwest Bahia State University
Mariana de Aquino Aragão Federal University of Espírito Santo
Paulo Henrique Marques Monroe Southwest Bahia State University

DOI:

https://doi.org/10.4336/2017.pfb.37.92.1465

Keywords:

National Forest, Above-ground biomass, Carbon

Abstract

Studies on the quantification of forest biomass in Caatinga are important due to the scarcity of information related to the theme in the biome and in particular in the state of Bahia, Brazil. The objective of this study was to evaluate the biomass stock and their distribution in the components of the aerial part of forest species with higher population density and the potential to use the biomass expansion factor (FEB) to obtain estimates of aerial biomass in the area of Caatinga, located in Contendas do Sincorá National Forest, BA. The biomass was quantified by destructive method. Representative trees of the nine species with the highest population density were selected felled, and distributed in three diametric classes. The average amount of total biomass and carbon per tree, considering all the species sampled, were estimated at 50.7 kg tree^-1 and 25.3 kg tree^-1. Jatropha mollíssima is dissimilar in relation to the biomass allocation (branches > stem > leaves) in relation to the other species (stem > branches > leaves). The highest values of individual biomass were verified in the species Commiphora leptophloeos (171 kg tree^-1 ), Coccoloba oblonga (76 kg tree^-1 ) and Pseudobombax simplicifolium (40 kg tree^-1 ). The mean FEB obtained for all species (1.74) provided estimated values close to the real ones.

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Published

2017-12-29

Issue

Vol. 37 No. 92 (2017): out./dez.

Section

Articles

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