LiDAR crown & understory closure category | |||||
Foliar nutrition (mg∙kg−1) | Significance | High crown | High crown | Low crown | Low crown |
High understory | Low understory | High understory | Low understory | ||
(HH) | (HL) | (LH) | (LL) | ||
Sugar maple: | |||||
Ca | NS | 4965.89 ± 565.79 | 5534.03 ± 192.17 | 5650.07 ± 626.43 | 5214.28 ± 429.92 |
Al | NS | 69.85 ± 10.95 | 63.48 ± 9.13 | 70.85 ± 11.66 | 72.39 ± 10.33 |
K | NS | 7470.56 ± 366.76 | 8152.25 ± 481.53 | 8311.45 ± 452.42 | 7911.42 ± 454.05 |
P | NS | 1455.37 ± 175.26 | 1546.09 ± 222.51 | 1347.03 ± 136.33 | 1598.29 ± 215.66 |
Mg | NS | 976.82 ± 107.59 | 1045.7 ± 50.46 | 1035.3 ± 107.52 | 972.79 ± 89.55 |
Mn | NS | 1307.39 ± 192.33 | 1020.60 ± 104.65 | 1324.35 ± 169.05 | 989.51 ± 108.72 |
Ca:Al Molar Ratio | NS | 55.71 ± 8.91 | 70.41 ± 11.09 | 70.14 ± 18.9 | 55.91 ± 8.49 |
C (%) | NS | 48.82 ± 0.72 | 48.32 ± 0.50 | 47.61 ± 0.41 | 47.59 ± 0.45 |
N (%) | NS | 2.45 ± 0.08 | 2.49 ± 0.05 | 2.50 ± 0.08 | 2.25 ± 0.07 |
Yellow birch: | |||||
Ca | ** | 7966.97 ± 489.31b | 10122.90 ± 667.88a | 7969.18 ± 384.25b | 8757.82 ± 472.02ab |
Al | NS | 68.13 ± 8.32 | 59.01 ± 9.34 | 61.31 ± 9.24 | 51.73 ± 6.93 |
K | NS | 9653.69 ± 748.75 | 11814.4 ± 972.45 | 11776.79 ± 714.89 | 11289.71 ± 974.94 |
P | NS | 1425.87 ± 108.95 | 1479.61 ± 79.13 | 1291.43 ± 80.48 | 1729.22 ± 226.74 |
Mg | NS | 2347.36 ± 140.4 | 2479.96 ± 132.97 | 2197.16 ± 88.13 | 2323.18 ± 125.26 |
Mn | NS | 1794.31 ± 259.1 | 1727.24 ± 200.49 | 1522.94 ± 251.59 | 1322.55 ± 126.98 |
Ca:Al Molar Ratio | * | 85.06 ± 8.35b | 132.98 ± 16.67a | 101.31 ± 13.83ab | 130.84 ± 18.4ab |
C (%) | NS | 48.19 ± 0.63 | 47.67 ± 0.49 | 47.13 ± 0.4 | 47.61 ± 0.67 |
N (%) | NS | 2.86 ± 0.06 | 2.84 ± 0.11 | 2.91 ± 0.09 | 2.79 ± 0.09 |