TABLE 1.
Variance explained (%) by the two sets of random forest models (trained on reported and expert's interpreted timeseries, respectively) for each combination of ecozone × disturbance agent
| Ecozone | Disturbance causes | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Wind | Fire | Bark beetles | Other biotic | Other abiotic | ||||||
| Reported | Experts interpreted | Reported | Experts interpreted | Reported | Experts interpreted | Reported | Experts interpreted | Reported | Experts interpreted | |
| Alpine | 39.06 (1.18) | 60.51 (3.99) | 39.14 (1.02) | 39.47 (1.03) | 78.73 (0.80) | 78.15 (0.81) | ~ | ~ | 8.17 (1.12) | 6.42 (1.04) |
| Atlantic | 21.52 (1.85) | ~ | ~ | ~ | ~ | ~ | NA | NA | NA | NA |
| Central Med. | 33.7 (1.00) | 29.75 (3.14) | 88.84 (0.95) | 90.2 (0.95) | 83.15 (0.68) | 77.4 (2.77) | 87.68 (0.86) | 83.56 (2.16) | 64.18 (1.26) | 16.26 (3.24) |
| Central Pannonic | 54.57 (0.67) | 74.64 (3.07) | 69.69 (0.79) | 43.4 (1.27) | 85.1 (0.49) | 62.02 (2.79) | 84.51 (0.49) | 89.76 (0.55) | 44.22 (0.91) | 45.05 (3.48) |
| East Med. | ~ | 5.02 (4.25) | 68.95 (1.01) | 68.43 (0.98) | NA | NA | NA | NA | NA | NA |
| Northern Baltic | 24.59 (1.63) | 7.01 (4.11) | 46.58 (1.07) | 43.04 (1.25) | 44.43 (1.11) | 43.52 (1.20) | 26.44 (1.37) | 29.55 (1.29) | 78.8 (0.86) | 79.75 (0.44) |
| Sub‐Atlantic | 9.64 (2.75) | 35.34 (5.32) | 90.3 (0.90) | 90.4 (0.90) | 23.37 (1.97) | 55.08 (4.35) | 72.16 (1.54) | 81.23 (1.98) | 18.04 (1.62) | 42.06 (4.26) |
| West Med. | ~ | ~ | 70.93 (0.57) | 71.87 (0.57) | NA | NA | NA | NA | NA | NA |
Note: NA indicates that there was no data to train a RF model. The ~ symbol indicates that no RF model was fitted for this combination due to limited data availability. The values in the brackets are the root mean squared error (RSME).