Douglas | Beech-Douglas | Beech | Beech-Spruce | Spruce | South | |
---|---|---|---|---|---|---|
Mean ∆13C | 1.97 ± 0.28a | 3.28 ± 0.63ab | 3.96 ± 0.13 b | 3.63 ± 0.5b | 2.05 ± 0.19a | – |
1.48 ± 0.21a | 2.31 ± 0.18b | 3.55 ± 0.27c | 2.72 ± 0.18b | 1.37 ± 0.2a | – | |
Minimum ∆13C | 0.89 ± 0.35a | 2 ± 0.22b | 2.95 ± 0.12b | 2.09 ± 0.18b | 0.62 ± 0.36a | – |
0.06 ± 0.48a | 1.44 ± 0.23b | 2.95 ± 0.3c | 1.89 ± 0.35b | − 0.15 ± 0.18a | – | |
Maximum ∆13C | 3 ± 0.28a | 3.88 ± 0.3abc | 4.65 ± 0.16c | 4.11 ± 0.32bc | 3.3 ± 0.25ab | – |
2.44 ± 0.22a | 3.08 ± 0.23ab | 4.29 ± 0.26c | 3.48 ± 0.08bc | 2.72 ± 0.27ab | – | |
Range ∆13C | 2.11 ± 0.25a | 1.88 ± 0.21a | 1.7 ± 0.16a | 2.02 ± 0.28a | 2.68 ± 0.41a | – |
2.37 ± 0.48ab | 1.65 ± 0.24a | 1.34 ± 0.29a | 1.6 ± 0.35a | 2.88 ± 0.3b | – | |
Mean ∆15N | 5.83 ± 0.31a | 6.1 ± 0.32ab | 6.63 ± 0.23abc | 6.77 ± 0.26bc | 7.08 ± 0.25c | − 0.9 ± 0.21*** |
4.13 ± 0.21a | 5.23 ± 0.3ab | 5.81 ± 0.27b | 4.8 ± 0.32ab | 5.21 ± 0.4ab | – | |
Minimum ∆15N | 3.78 ± 0.19a | 4.25 ± 0.33a | 4.66 ± 0.22a | 4.41 ± 0.4a | 4.85 ± 0.36a | – |
2.43 ± 0.47a | 4.2 ± 0.3bc | 4.65 ± 0.43c | 3.09 ± 0.49ab | 3.02 ± 0.5ab | – | |
Maximum ∆15N | 7.74 ± 0.51a | 8.33 ± 0.53ab | 8.63 ± 0.45ab | 8.61 ± 0.32ab | 9.36 ± 0.47b | − 1.59 ± 0.32*** |
5.62 ± 0.33a | 6.34 ± 0.97a | 7.75 ± 0.92a | 6.34 ± 0.29a | 6.91 ± 0.42a | – | |
Range ∆15N | 3.97 ± 0.43a | 4.07 ± 0.54a | 3.98 ± 0.48a | 4.2 ± 0.31a | 4.57 ± 0.57a | − 1.37 ± 0.37*** |
3.19 ± 0.56a | 2.66 ± 0.95a | 2.92 ± 1.24a | 3.25 ± 0.44a | 3.88 ± 0.55a | − 1.76 ± 0.8* |