Table 3 Silver fir and mountain pine basal area (m2ha−1) and standard deviations (in parenthesis) by altitudinal classes for the three referenced years in permanent plots
Altitude (m) | Number of permanent plots | Silver fir basal area | Mountain pine basal area | ||||
|---|---|---|---|---|---|---|---|
1991 | 2002 | 2015 | 1991 | 2002 | 2015 | ||
1400–1600 | 2 | 1.3 (1.8) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
1600–1800 | 28 | 11.1 (14.4) | 14.0 (17.4) | 19.5 (22.0) | 2.6 (5.0) | 2.0 (3.7) | 2.0 (3.4) |
1800–2000 | 57 | 12.5 (17.2) | 15.15 (20.2) | 18.4 (21.6) | 13.5 (12.4) | 15.0 (13.9) | 17.0 (15.0) |
2000–2200 | 31 | 0.1 (0.4) | 0.3 (0.7) | 0.6 (2.0) | 23.0 (11.7) | 26.8 (12.5) | 29.3 (13.2) |
2200–2400 | 7 | 0 (8.1) | 0 (8.1) | 0 (8.1) | 21.4 (9.1) | 22.0 (8.1) | 21.7(9.6) |