Table 6.
Changes in soil carbon and annual GHG emissions due to beef to pork redistribution, and payback periods required for decreased GHG to compensate soil carbon losses, under four scenarios 1 for using residual land 2 in 2001.
| Scenario # | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| Soil carbon loss over 40 years (Tg CO2e) | ||||
| East | 0.10 | 9.57 | 2.12 | 1.67 |
| West | 7.67 | 54.48 | 15.48 | 13.32 |
| Canada | 7.77 | 64.06 | 17.60 | 14.99 |
| Decrease 3 in annual GHG emissions (Tg CO2e) | ||||
| East | 0.43 | 0.24 | 0.02 | −0.08 |
| West | 2.04 | 1.75 | 0.56 | 0.23 |
| Canada | 2.46 | 2.02 | 0.59 | 0.15 |
| Payback period (years) | ||||
| East | 0.2 | 40.1 | 92.7 | - |
| West | 3.8 | 31.2 | 27.6 | 57 |
| Canada | 3.2 | 31.9 | 29.9 | 96.9 |
1 scenarios include four uses of residual land for crop or beef production
2 residual land includes the area freed by displaced beef population
3 negative quantities represent an increase in annual emissions