Table 7 Fuel loading model selection results for the top five performing models and the null model for each fuel component. Type = vegetation type
Response variable | Model structure | k | AIC | ΔAIC |
|---|---|---|---|---|
Litter depth | Treatment + type + year | 9 | 367.9 | 0 |
Treatment × type + year | 13 | 366.3 | -1.6 | |
Treatment + type × year | 10 | 369.2 | 1.3 | |
Type + year | 5 | 371.5 | 3.6 | |
Type × year | 6 | 372.9 | 5 | |
Null (random effects only) | 3 | 610.4 | 242.5 | |
1 h loading | Treatment + type + year | 9 | 6.5 | 0 |
Treatment + type × year | 10 | 8.2 | 1.7 | |
Type × year | 12 | 8.4 | 1.9 | |
Treatment + year | 8 | 9.1 | 2.6 | |
Type + year | 5 | 12.5 | 6 | |
Null (random effects only) | 3 | 31.7 | 25.2 | |
10 h loading | Treatment + year | 8 | 836.3 | 0 |
Treatment × year | 12 | 835.3 | -1 | |
Treatment + type + year | 9 | 837.2 | 0.9 | |
Treatment + type × year | 10 | 838.9 | 2.6 | |
Treatment × type + year | 13 | 843.0 | 6.7 | |
Null (random effects only) | 3 | 902.0 | 65.7 | |
100 h loading | Type + year | 5 | 1191.7 | 0 |
Treatment × type × year | 22 | 1191.9 | 0.2 | |
Treatment × year | 12 | 1192.5 | 0.8 | |
Type × year | 6 | 1193.6 | 1.9 | |
Year | 4 | 1197.2 | 5.5 | |
Null (random effects only) | 3 | 1228.8 | 37.1 | |
FWF loading | Treatment × year | 12 | 1140.6 | 0 |
Treatment × type × year | 22 | 1144.2 | 3.6 | |
Type + year | 5 | 1144.3 | 3.7 | |
Treatment + type + year | 9 | 1145.8 | 5.2 | |
Type × year | 6 | 1146.1 | 5.5 | |
Null (random effects only) | 3 | 1204.6 | 64.0 |