Reconstructing the calculations from Cederberg et al. 2011
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ABCDEFGHIJKLMNOPQRSTUVWXYZ
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2006 pasture and roughage fodder crops allocated to beef, Mha
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Brazil total144
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LAR51
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beef production, Mton CW / year
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Brazil total8.6
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LAR2.155
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productivity, kg CW / (ha * year)paper says:
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Brazil total6060
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LAR4242
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GHG emissions in tons of CO2 / ha572
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pasture factor90%
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prop pasture90%
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rate4%
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prod start / ha42
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GHG emissions_beef (tons CO2 / kg beef CW)0.4545924922
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numerator of equation514.8
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denominator of equation (based on n = 20 amortization years)
1132.44
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paper says:
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GHG emissions_beef (kg CO2 / kg beef)454.5924922726
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Emissions from cattle themselves (kg CO2 / kg beef CW)28
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net increase of land for cattle in LAR between 1985 and 2006 (Mha)
13.5
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productivity, kg CW / (ha * year)42
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fraction of pasture used for beef in LAR90%
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net increase of land for cattle in LAR between 1985 and 2006 (Mha) used for pasture for beef
12.2
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beef production in 2006 on land converted from forest in the 20 years preceding 2006 (Mkg)
510
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same as prev line but in MT0.51
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Total production in the LAR (MT of CW) in 20062.16
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Fraction of CW produced on land deforested within the preceding 20 years
0.2425%
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LUC emissions over the whole production in the LAR in 2006182180
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Total Brazilian production MT CW in 20068.6
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Fraction of CW produced on land deforested within the preceding 20 years
6%6%
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LUC emissions over the whole production in Brazil in 20064444
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main calculations
doing the sum in the denominator of the formula