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. 2022 Dec 15;8(12):e12262.
doi: 10.1016/j.heliyon.2022.e12262. eCollection 2022 Dec.

Assessment of livestock greenhouse gases in Colombia between 1995 and 2015

Angélica P Garrido  1   2 , Fredy Tovar Bernal  1   2 , José D Fontanilla  1   2 , Yiniva Camargo Caicedo  1   2 , Andrés M Vélez-Pereira  3   4
Affiliations

Assessment of livestock greenhouse gases in Colombia between 1995 and 2015

Angélica P Garrido et al. Heliyon. .

Abstract

The livestock sector in Colombia significantly participates in national economic dynamics but makes significant worldwide contributions to greenhouse gas emissions. Hence, climate change mitigation in this sector is essential. This study aims to assess the greenhouse gas in the livestock sector. The results are reported in methane emissions (CH4) and nitrous oxide (N2O) from enteric fermentation, and N2O by manure management based on the information from the Emission Database for Global Atmospheric Research (EDGAR), in all cases expressed as dioxide of carbon (CO2eq). The emissions obtained from the EDGAR database for 2015 were proportional to the values of the National Inventory of Greenhouse Gases published by the Institute of Hydrology, Meteorology, and Environmental Studies (IDEAM) in 2016. Colombia is the 12th on global, 4th in America and 2nd in South America position by livestock GHG emission, and is the dominant source in all economic sector. The results showed higher records for CH4 emissions during the years 2010 and 2015, while the N2O emissions were higher during 2015. The regions with the highest emissions of CH4 and N2O corresponded to the northwestern area of Colombia. The Spearman correlation test showed a positive correlation between the CH4 emissions, and the age groups studied. The post hoc analysis of the Kruskal-Wallis test showed a more significant influence on CH4 emissions.

Keywords: Climate change; Enteric fermentation; Greenhouse gases; Livestock sector; Manure management; Methane.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Emission of greenhouses gases during 1995–2015 in Colombian of CH4 by emissions from enteric fermentation (blue line) and manure management (green line); and N2O by manure management (purple line).
Figure 2
Figure 2
(a) CH4 Emissions in 2015. (b) CH4 Emissions from Enteric Fermentation in 2015. (c) CH4 Emissions from Manure Management in 2015.
Figure 3
Figure 3
(a) N2O Emissions in 2015. (b) N2O Emissions from Manure Management in 2015.
Figure 4
Figure 4
(a) Comparative results of emission of CH4 by enteric fermentation during 1995–2015. A. Global-scale maps estimation, (b) value of the first 50 countries with the highest emissions (c) historical records of CH4 for different sectors under IPCC classification in Colombia.
See this image and copyright information in PMC

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