CR 34:253-258 (2007)  -  doi:10.3354/cr00634

Historical emissions, by country, of N2O from animal manure management and of CH4 from enteric fermentation in domestic livestock

Maria Silvia Muylaert de Araujo*, Christiano Pires de Campos, Luiz Pinguelli Rosa

International Virtual Institute of Global Change and Energy Planning Program of the Coordination of Post-Graduation Programs in Engineering of the Federal University of Rio de Janeiro (COPPE/UFRJ), Cidade Universitária, Ilha do Fundão, Centro de Tecnologia, Bloco I, Sala 129, CEP:21.945-970, Rio de Janeiro – RJ, Brazil

ABSTRACT: Human activities have always led to the emission of greenhouse gases; atmospheric concentrations have been increasing during the last century; and present-day climate change is a result of past emissions. This paper presents historical emissions (1890–1998) by country due to CH4 enteric fermentation and N2O animal manure management from domestic livestock (excluding animals grazing). Two indicators are compared: cumulative emissions and concentrations. Further research is necessary to improve the inventory of N2O and CH4 emissions and concentrations, by using other country-level historical datasets and emission factors. Inventories were taken from historical databases of emissions from domestic livestock, including cattle, buffalos, pigs, sheep, goats, horses, mules and asses. Emission factors for each animal and gas in each country were based on Intergovernmental Panel on Climate Change methodologies. Developed countries and countries with large populations of domestic animals are responsible for most N2O and CH4 emissions. In addition, emissions depend on animal sizes, and on quantity and quality of the feed.


KEY WORDS: Greenhouse gas inventories · Historical emissions · Methane · Nitrous oxide · Climate change


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Cite this article as: Muylaert de Araujo MS, de Campos CP, Rosa LP (2007) Historical emissions, by country, of N2O from animal manure management and of CH4 from enteric fermentation in domestic livestock. Clim Res 34:253-258

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