Table 1 Input data of area, damaged volume, and amount of salvage logging affected by Vaia as reported by different data sources ([1] PAT (2019); [2] Aichner et al. (2019); [3] Chirici et al. (2019); [4] Bruschini (2019); [5] GeoLab, Florence University, as reported by Cozzarini (2018), [6] by Forzieri et al. (2020), and based on our assumptions [7] within the present study (further information in Appendixes 1, 2, 3, and 4)
Region/Province | Area affected by windstorm | Total volume damaged (not directly used as input, but for calibration of model’s output) | Salvage logging, used both as input (% of damaged area per year) and for partial calibration of model’s output (volume removed, where provided) | |||||
|---|---|---|---|---|---|---|---|---|
Trento province (TN) | 19,545 ha [1]–19,985 ha [6], further distinguished between: | 4.0 · 106 m3 [1]–2.8 · 106 m3 [4]–3.1 · 106 m3 [5] | 2019 | 1.2 · 106 m3 [1], assumed equal ≈ 30% damaged area | ||||
Species [1] | Spruce | 65% | Damaged species distribution not reported | |||||
Fir | 17% | |||||||
Scots pine | 6% | |||||||
Beech | 5% | 2020 | ≈ 30% of damaged area [7] | |||||
Larch | 4% | |||||||
Other conif | 3% | Dist. Cl by [1] | Volume (106 m3) | |||||
Dist. Cl.[1] | I (< 30%) | 21% | I (< 30%) | 0.24 | ||||
II (30–50%) | 15% | II (30–50%) | 0.32 | 2021 | ≈ 20% of damaged area [7] | |||
III (50–90%) | 24% | III (50–90%) | 0.96 | |||||
IV (> 95%) | 40% | IV (> 95%) | 2.53 | |||||
Bolzano province (BZ) | 5,918 ha [2]–5,858 ha [6], proportionally distributed by species and dist. classes, as reported for TN | 1.5 · 106 m3 [2], [4], [5] | 2019 | 1.1 · 106 m3 [2], assumed ≈ 70% damaged area | ||||
2020 | ≈ 20% of damaged area [7] | |||||||
2021 | ≈ 5% of damaged area [7] | |||||||
Friuli Venezia Giulia region (FVG) | 3,340 ha [3]–1,742 ha [6], proportionally distributed by species and dist. Classes, as reported for TN | 0.7 · 106 m3 [4]–0.8 · 106 m3 [5] | 2019 | ≈ 30% of damaged area, as for TN | ||||
2020 | ≈ 30% of damaged area, as for TN | |||||||
2021 | ≈ 20% of damaged area, as for TN | |||||||
Lombardia region (LO) | 4,604 ha [3], proportionally distributed by species and dist. classes, as reported for TN | 0.5 · 106 m3 [4]–0.3 · 106 m3 [5] | 2019 | ≈ 30% of damaged area, as for TN | ||||
2020 | ≈ 30% of damaged area, as for TN | |||||||
2021 | ≈ 20% of damaged area, as for TN | |||||||
Veneto region (VE) | 12,227 ha [3]—4,391 ha [6], proportionally distributed by species and dist. classes, as reported for TN | (5.0 ÷ 8.0) · 106 m3 [4]–2.4 · 106 m3 [5] | 2019 | ≈ 30% of damaged area, as for TN | ||||
2020 | ≈ 30% of damaged area, as for TN | |||||||
2021 | ≈ 20% of damaged area, as for TN | |||||||
Total | \(\cong\) 31,977 ÷ 45,634 ha | \(\cong\) 10.5 ÷ 14.7 · 106 m3 | ||||||