Table 4 Strata, number of sampling plots, mean values (mean), and standard deviations (SD) of the analyzed forest structural variables of the German biodiversity exploratories project
From: Linking structure and species richness to support forest biodiversity monitoring at large scales
Stratum | Number of sampling plots | FSI mean (SD) | DBHq mean (SD) | DBH sd mean (SD) | Height sd mean (SD) | SRreg mean (SD) | Vol40 mean (SD) | Bark mean (SD) | Flower mean (SD) | DW Standing mean (SD) | DW Downed mean (SD) | Decay classes mean (SD) | SR mean (SD) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Biodiversity exploratories | 150 | 0..38 (0..12) | 32.10 (11.80) | 13.11 (6.23) | 6.84 (1.70) | 2.84 (1.70) | 258.74 (201.16) | 9.09 (4.70) | 4.87 (2.33) | 27.35 (25.28) | 27.59 (13.11) | 1.98 (1.06) | 5.95 (2.75) |
Schorfheide | 50 | 0.39 (0.15) | 37.04 (12.04) | 13.45 (6.53) | 6.58 (1.75) | 2.16 (1.53) | 250.95 (217.25) | 7.40 (3.93) | 4.20 (2.09) | 25.28 (27.19) | 24.70 (13.44) | 1.74 (1.05) | 5.14 (2.29) |
Hainich | 50 | 0.48 (0.12) | 31.05 (10.57) | 15.02 (5.61) | 7.38 (1.62) | 3.28 (1.58) | 320.78 (173.59) | 9.48 (4.60) | 5.12 (2.11) | 27.58 (27.89) | 30.08 (13.51) | 2.14 (1.07) | 5.88 (2.19) |
Swabian Alb | 50 | 0.39 (0.14) | 28.23 (11.19) | 10.85 (5.93) | 6.56 (1.62) | 3.08 (1.78) | 204.47 (196.76) | 10.38 (5.09) | 5.30 (2.65) | 29.19 (20.46) | 27.99 (12.02) | 2.06 (1.04) | 6.82 (3.40) |
Broadleaf-dominated stands | 112 | 0.41 (0.10) | 32.98 (12.72) | 14.72 (6.19) | 7.24 (1.70) | 2.77 (1.61) | 276.68 (200.43) | 8.81 (4.37) | 4.99 (2.18) | 31.61 (25.97) | 30.11 (11.95) | 2.14 (1.01) | 5.97 (2.61) |
Coniferous-dominated stands | 38 | 0.42 (0.20) | 29.54 (8.14) | 8.36 (3.23) | 5.66 (1.02) | 3.05 (1.93) | 205.85 (196.42) | 9.89 (5.57) | 4.53 (2.74) | 14.81 (18.29) | 20.17 (13.72) | 1.50 (1.06) | 5.87 (3.16) |
Beech-dominated stands | 105 | 0.41 (0.11) | 32.71 (13.00) | 14.72 (6.36) | 7.25 (1.75) | 2.84 (1.61) | 271.65 (203.94) | 8.82 (4.49) | 4.96 (2.23) | 32.18 (26.19) | 30.36 (12.27) | 2.15 (1.04) | 5.97 (2.68) |
Spruce-dominated stands | 16 | 0.44 (0.20) | 32.25 (7.22) | 8.89 (2.51) | 5.90 (0.64) | 3.50 (2.22) | 286.80 (238.64) | 11.63 (6.09) | 5.56 (2.73) | 16.99 (18.20) | 25.12 (11.54) | 1.81 (0.91) | 6.94 (3.21) |
Pine-dominated stands | 22 | 0.42 (0.24) | 27.56 (8.36) | 7.97 (3.68) | 5.49 (1.21) | 2.73 (1.67) | 146.98 (136.66) | 8.64 (4.92) | 3.77 (2.54) | 13.23 (18.61) | 16.57 (14.30) | 1.27 (1.12) | 5.09 (2.96) |
Mature stands | 86 | 0.42 (0.08) | 39.12 (8.35) | 16.74 (4.76) | 7.59 (1.51) | 2.87 (1.64) | 376.56 (169.02) | 8.20 (4.12) | 4.80 (2.15) | 32.89 (26.95) | 31.47 (10.34) | 2.17 (0.90) | 5.47 (2.11) |
Immature stands | 36 | 0.45 (0.17) | 29.46 (4.92) | 8.82 (2.58) | 5.87 (0.72) | 3.36 (1.74) | 157.63 (113.72) | 9.47 (4.85) | 4.72 (2.19) | 19.46 (18.66) | 22.16 (11.96) | 1.72 (1.00) | 5.69 (2.75) |
Pole wood stands | 14 | 0.33 (0.24) | 14.33 (2.15) | 4.72 (1.14) | 4.94 (0.91) | 1.93 (1.21) | 8.97 (19.86) | 10.07 (5.64) | 5.14 (3.37) | 12.26 (20.89) | 12.48 (17.74) | 0.93 (1.38) | 6.64 (3.95) |
Beech-dominated mature stands managed | 55 | 0.41 (0.07) | 39.99 (7.58) | 17.58 (4.59) | 7.99 (1.64) | 2.95 (1.26) | 303.09 (167.11) | 6.56 (3.03) | 4.02 (1.68) | 31.45 (30.77) | 33.15 (10.43) | 2.07 (0.96) | 4.68 (1.69) |
Beech-dominated mature stands unmanaged | 25 | 0.48 (0.09) | 39.63 (10.77) | 18.78 (4.22) | 7.72 (1.39) | 2.84 (1.91) | 485.96 (125.22) | 9.40 (4.73) | 5.68 (2.38) | 41.31 (23.50) | 31.67 (11.72) | 2.48 (0.92) | 6.04 (2.30) |