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. 2017 Sep 29;12:16. doi: 10.1186/s13021-017-0084-y

Fig. 4.

Fig. 4

Comparison of enteric fermentation (E.F.) and manure management (M.M.) methane emissions estimated using IPCC 2006 and revised emissions factors resulting from this study, for the globe (a), and the US and Canada region (b)