Table B: Soil risk rating criteria for potential damage to soil by fire
Surface layer 10-20 cm thick and slope >30% or surface layer < 10 cm and slope < 30%. High or moderate ratings may indicate the need to consider winter burning, alternate lighting techniques, monitoring of fuel moisture content, yarding of unmerchantable
| Risk Factor --> | Low | Moderate | High | ||
| Medium texture (loams)Texture | Aspect | ||||
| Rock fragments <35% | |||||
| Organic matter > 2% | NE, N, NW | SE, S, SW | |||
| Organic matter < 2% | NE, N, NW | SE, S, SW | |||
| Rock fragments 35-60% | |||||
| Organic matter > 2% | All | ||||
| Organic matter < 2% | All | ||||
| Rock fragments >60% | |||||
| Organic matter > 2% | NE, N, NW | SE, S, SW | |||
| Organic matter < 2% | All | ||||
| Fine texture (clays) | |||||
| Organic matter > 2% | All | ||||
| Organic matter < 2% | All | ||||
| Coarse texture (sands) |
| ||||
| Organic matter > 2% |
| NE, N, NW | SE, S, SW | |
| Organic matter < 2% | All | ||||


