Publication - Research and analysis
Hill, Upland and Crofting Farmer-led Group: climate change evidence
A summary of existing evidence around Hill, Upland and Crofting (HUC) farming, including greenhouse gas emissions produced by the Rural and Environment Science and Analytical Services (RESAS) division.
Annex C – GHG Inventory Assumptions
Estimates of emissions by broad sector have been derived in line with descriptions in the inventory. Not all sources are disaggregated into specific sectors therefore the following sources in the inventory have been attributed based on the following percentages.
| IPCC | Source Name | Crops | Dairy | Deer | Goats | Horses | Beef | Pigs | Sheep |
|---|---|---|---|---|---|---|---|---|---|
| 3H_Urea application | Fertiliser application | 80% | 20% | 10% | |||||
| 1A4cii_Agriculture/Forestry/Fishing:Off-road | Agriculture - mobile machinery | 60% | 30% | 20% | |||||
| 3A4_Enteric_Fermentation_other_livestock | Enteric | 7% | 1% | 67% | 25% | ||||
| 3D11_Inorganic_nitrogen_fertilizers | Grass - Direct | 30% | 60% | 10% | |||||
| 3D14_Crop_residues | Grass - Direct | 30% | 60% | 10% | |||||
| 3G1_Liming - limestone | Liming | 50% | 15% | 30% | 5% | ||||
| 3G2_Liming - dolomite | Liming | 50% | 15% | 30% | 5% |
This results in the following estimates of GHG emissions for agriculture in 2018:
| Agricultural Sector | Emissions in Inventory | Attributed based on expert input | Proportion attributed |
|---|---|---|---|
| MtCO2e | MtCO2e | % | |
| Beef | 2.97 | 0.47 | 16 |
| Crops | 1.02 | 0.59 | 58 |
| Dairy | 0.86 | 0.31 | 36 |
| Sheep | 0.99 | 0.05 | 5 |
| Other livestock | 0.20 | .. | .. |
| Uncategorised | 0.02 | .. | .. |
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