Allometric equations for selected Acacia species (Vachellia and Senegalia genera) of Ethiopia

Abstract Background Allometric equations are used to estimate biomass and carbon stock of forests. In Ethiopia, despite the presence of large floral diversity, only a few site-specific allometric equations have been developed so far. This study was conducted in the Omo-Gibe woodland of south-western...

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Autores principales:	Abreham Berta Aneseyee, Teshome Soromessa, Eyasu Elias, Gudina Legese Feyisa
Formato:	article
Lenguaje:	EN
Publicado:	BMC 2021
Materias:	Above ground biomass Acacia species Allometric biomass equation Carbon stock Omo Gibe woodland Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/aae8142aa9254db7b95ee901476087a6
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spelling	oai:doaj.org-article:aae8142aa9254db7b95ee901476087a62021-11-08T10:45:05ZAllometric equations for selected Acacia species (Vachellia and Senegalia genera) of Ethiopia10.1186/s13021-021-00196-11750-0680https://doaj.org/article/aae8142aa9254db7b95ee901476087a62021-11-01T00:00:00Zhttps://doi.org/10.1186/s13021-021-00196-1https://doaj.org/toc/1750-0680Abstract Background Allometric equations are used to estimate biomass and carbon stock of forests. In Ethiopia, despite the presence of large floral diversity, only a few site-specific allometric equations have been developed so far. This study was conducted in the Omo-Gibe woodland of south-western Ethiopia to develop an allometric equation to estimate the Above-ground Biomass (AGB) of the four Acacia species (Senegalia polyacantha, Vachellia seyal, Vachellia etbaica and Vachellia tortilis). Fifty-four (54) Acacia trees were sampled and measured within 35 temporarily established square plots. In each plot, dendrometric variables were measured to derive the models based on combinations of Diameter at Breast Height (DBH), height, and wood density as predictor variables. Model performance was evaluated using goodness-of-fit statistics. The biomass was compared using four allometric biomass models that have been widely used in the tropics. Results The model containing DBH alone was more accurate to estimate AGB compared to the use of multiple predictor variables. This study, therefore, substantiated the importance of site-specific allometric equations in estimating the AGB of Acacia woodlands. This is because a site-specific allometric equation recognizes the environmental factors, vegetation types and management practices. Conclusions The results of this study contribute to a better understanding of allometric equations and an accurate estimate of AGB of Acacia woodlands in Ethiopia and similar ecosystems elsewhere.Abreham Berta AneseyeeTeshome SoromessaEyasu EliasGudina Legese FeyisaBMCarticleAbove ground biomassAcacia speciesAllometric biomass equationCarbon stockOmo Gibe woodlandEnvironmental sciencesGE1-350ENCarbon Balance and Management, Vol 16, Iss 1, Pp 1-13 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Above ground biomass Acacia species Allometric biomass equation Carbon stock Omo Gibe woodland Environmental sciences GE1-350
spellingShingle	Above ground biomass Acacia species Allometric biomass equation Carbon stock Omo Gibe woodland Environmental sciences GE1-350 Abreham Berta Aneseyee Teshome Soromessa Eyasu Elias Gudina Legese Feyisa Allometric equations for selected Acacia species (Vachellia and Senegalia genera) of Ethiopia
description	Abstract Background Allometric equations are used to estimate biomass and carbon stock of forests. In Ethiopia, despite the presence of large floral diversity, only a few site-specific allometric equations have been developed so far. This study was conducted in the Omo-Gibe woodland of south-western Ethiopia to develop an allometric equation to estimate the Above-ground Biomass (AGB) of the four Acacia species (Senegalia polyacantha, Vachellia seyal, Vachellia etbaica and Vachellia tortilis). Fifty-four (54) Acacia trees were sampled and measured within 35 temporarily established square plots. In each plot, dendrometric variables were measured to derive the models based on combinations of Diameter at Breast Height (DBH), height, and wood density as predictor variables. Model performance was evaluated using goodness-of-fit statistics. The biomass was compared using four allometric biomass models that have been widely used in the tropics. Results The model containing DBH alone was more accurate to estimate AGB compared to the use of multiple predictor variables. This study, therefore, substantiated the importance of site-specific allometric equations in estimating the AGB of Acacia woodlands. This is because a site-specific allometric equation recognizes the environmental factors, vegetation types and management practices. Conclusions The results of this study contribute to a better understanding of allometric equations and an accurate estimate of AGB of Acacia woodlands in Ethiopia and similar ecosystems elsewhere.
format	article
author	Abreham Berta Aneseyee Teshome Soromessa Eyasu Elias Gudina Legese Feyisa
author_facet	Abreham Berta Aneseyee Teshome Soromessa Eyasu Elias Gudina Legese Feyisa
author_sort	Abreham Berta Aneseyee
title	Allometric equations for selected Acacia species (Vachellia and Senegalia genera) of Ethiopia
title_short	Allometric equations for selected Acacia species (Vachellia and Senegalia genera) of Ethiopia
title_full	Allometric equations for selected Acacia species (Vachellia and Senegalia genera) of Ethiopia
title_fullStr	Allometric equations for selected Acacia species (Vachellia and Senegalia genera) of Ethiopia
title_full_unstemmed	Allometric equations for selected Acacia species (Vachellia and Senegalia genera) of Ethiopia
title_sort	allometric equations for selected acacia species (vachellia and senegalia genera) of ethiopia
publisher	BMC
publishDate	2021
url	https://doaj.org/article/aae8142aa9254db7b95ee901476087a6
work_keys_str_mv	AT abrehambertaaneseyee allometricequationsforselectedacaciaspeciesvachelliaandsenegaliageneraofethiopia AT teshomesoromessa allometricequationsforselectedacaciaspeciesvachelliaandsenegaliageneraofethiopia AT eyasuelias allometricequationsforselectedacaciaspeciesvachelliaandsenegaliageneraofethiopia AT gudinalegesefeyisa allometricequationsforselectedacaciaspeciesvachelliaandsenegaliageneraofethiopia
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Allometric equations for selected Acacia species (Vachellia and Senegalia genera) of Ethiopia

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