Table 5 Summary of forest area differences across NUTS-3 units over the four periods under study, Forest area differences calculated for the 1892–1908, 1908–1929, 1892–1929, and 1908–2008 periods according department administrative units (NUTS-3) population. Significance assessed from paired t tests
1892–1908 | 1908–1929 | 1892–1929 | 1908–2008 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
FAD mean (×103 ha) | FAD standard-deviation (×103 ha) | Paired t test | FAD mean (×103 ha) | FAD standard-deviation (×103 ha) | Paired t test | FADmean (×103 ha) | FAD standard-deviation (×103 ha) | Paired t test | FAD mean (×103 ha) | FAD standard-deviation (×103 ha) | Paired t test | ||
Total forest area | + 4.2 | 16.5 | < 0.05 | + 3.8 | 15.2 | < 0.05 | + 8.1 | 20.7 | < 0.001 | + 65.4 | 57.4 | < 10−10 | |
Ownership category | Public forest | + 1.6 | 4.8 | < 0.01 | − 0.4 | 8.6 | NS | +1.2 | 9.2 | NS | + 7.4 | 10.6 | < 10−8 |
Private forest | + 2.6 | 15.9 | NS | + 4.2 | 14.2 | < 0.01 | + 6.8 | 20.3 | < 0.01 | + 58.0 | 56.2 | < 10−10 | |
Forest management type | Coppice | − 13.6 | 15.4 | < 10−10 | + 10.0 | 17.8 | < 10−5 | − 3.6 | 17.0 | < 0.1 | − 6.6 | 19.3 | < 0.01 |
Coppice-with-standards | + 10.8 | 15.0 | < 10−8 | − 8.1 | 14.8 | < 10−5 | + 2.6 | 15.0 | NS | + 4.3 | 47.2 | NS | |
High forest | + 4.3 | 11.7 | < 0.01 | + 4.5 | 15.5 | < 0.05 | + 8.8 | 18.8 | < 10−4 | + 57.0 | 40.5 | < 10−10 | |
Other forests | + 2.8 | 9.1 | < 0.01 | − 2.5 | 13.2 | < 0.1 | + 0.3 | 10.5 | NS | + 14.7 | 12.5 | < 10−5 | |