Table 2.
Comparison of the average annual water and ion throughfall deposition (TF), stemflow deposition (SF), and stand deposition (SD) values between deciduous (Dec) and coniferous (Con) trees in this and previous studies
| Flux (mmol m–2 year–1) | Reference | |||||||
|---|---|---|---|---|---|---|---|---|
| Flux | TF | SF | SD | |||||
| Species | Dec | Con | Dec | Con | Dec | Con | ||
| Ontario | Water | 929.0 | 819.3 | 32.0 | 20.0 | 950.3 (145.8) | 832.7 (82.4) | Neary and Gizyn (1994) |
| Na+ | 4.2 | 4.8 | 0.2 | 0.1 | 4.3 (1.2) | 4.9 (0.4) | ||
| Cl– | 8.6 | 9.2 | 0.6 | 0.4 | 9.0 (1.4) | 9.5 (1.5) | ||
| SO42– | 34.2 | 42.8 | 3.5 | 3.6 | 36.5 (0.9) | 45.2 (4.6) | ||
| K+ | 27.7 | 25.3 | 5.2 | 2.2 | 31.1 (8.4) | 26.8 (2.3) | ||
| Mg2+ | 6.8 | 7.2 | 0.7 | 0.4 | 7.3 (0.4) | 7.4 (0.6) | ||
| Ca2+ | 18.8 | 23.3 | 2.3 | 1.9 | 20.4 (0.6) | 24.6 (2.6) | ||
| H+ | 42.3 | 61.3 | 0.9 | 3.2 | 42.9 (7.9) | 63.4 (8.8) | ||
| NH4+ | 19.0 | 15.0 | 0.3 | 0.1 | 19.2 (3.6) | 15.0 (2.7) | ||
| NO3– | 39.3 | 45.3 | 1.3 | 0.5 | 40.2 (3.8) | 45.6 (7.3) | ||
| Quebec | Water | 1165.0 | 1074.0 | - | - | 1165.0 (94.0) | 1074.0 (100.0) | Houle et al. (1999) |
| Na+ | 3.5 | 3.7 | - | - | 3.5 (1.1) | 3.7 (1.0) | ||
| Cl− | 6.8 | 8.6 | - | - | 6.8 (1.4) | 8.6 (1.7) | ||
| SO42− | 28.2 | 33.8 | - | - | 28.2 (3.6) | 33.8 (5.7) | ||
| K+ | 41.0 | 27.7 | - | - | 41.0(10.1) | 27.7 (5.4) | ||
| Mg2+ | 4.4 | 5.3 | - | - | 4.4 (0.5) | 5.3 (0.7) | ||
| Ca2+ | 12.6 | 13.6 | - | - | 12.6 (1.1) | 13.6 (2.0) | ||
| H+ | 34.7 | 46.7 | - | - | 34.7 (7.9) | 46.7 (9.8) | ||
| NH4+ | 18.2 | 9.8 | - | - | 18.2 (2.9) | 9.8 (1.9) | ||
| NO3− | 33.8 | 25.8 | - | - | 33.8 (2.9) | 25.8 (2.4) | ||
| Merksplas | Water | - | - | - | - | - | - | De Schrijver et al. (2004) |
| Na+ | 158.4 | 202.8 | - | - | 158.4 (121.2) | 202.8 (163.2) | ||
| Cl− | - | - | - | - | - | - | ||
| SO42− | - | - | - | - | - | - | ||
| K+ | 44.4 | 36.0 | - | - | 44.4 (45.6) | 36.0 (28.8) | ||
| Mg2+ | 14.4 | 18.0 | - | - | 14.4 (12.0) | 18.0 (14.4) | ||
| Ca2+ | 22.8 | 26.4 | - | - | 22.8 (14.4) | 26.4 (20.4) | ||
| H+ | 4.8 | 0.0 | - | - | 4.8 (4.8) | 0.0 (1.2) | ||
| NH4+ | 194.4 | 569.3 | - | - | 194.4(125.0) | 569.3(371.8) | ||
| NO3− | 170.1 | 356.1 | - | - | 170.1 (95.7) | 356.1(196.6) | ||
| Chichibu | Water | 1422.2 | 1162.2 | 79.5 | 107.4 | 1501.7 (100.5) | 1269.6 (58.8) | This study |
| Na+ | 8.6 | 9.4 | 0.5 | 1.1 | 9.0 (1.3) | 10.6 (0.9) | ||
| Cl– | 16.5 | 28.6 | 1.0 | 5.9 | 17.5 (2.7) | 34.5 (7.1) | ||
| SO42– | 10.4 | 9.2 | 0.8 | 1.1 | 11.3 (1.3) | 10.4 (0.4) | ||
| K+ | 83.1 | 66.7 | 6.7 | 7.3 | 89.8 (26.6) | 74.0 (12.3) | ||
| Mg2+ | 6.0 | 8.6 | 0.6 | 0.5 | 6.6 (0.6) | 9.1 (1.1) | ||
| Ca2+ | 14.6 | 35.7 | 1.4 | 2.6 | 16.1 (2.2) | 38.3 (2.8) | ||
| H+ | 1.7 | 2.5 | 0.1 | 8.9 | 1.8 (0.2) | 11.4 (1.7) | ||
| NH4+ | 17.8 | 3.9 | 1.3 | 0.6 | 19.1 (1.6) | 4.5 (2.2) | ||
| NO3– | 16.5 | 13.2 | 0.3 | 0.1 | 16.8 (1.7) | 13.3 (1.4) | ||
| Tanashi | Water | 1331.4 | 1328.8 | 22.7 | 134.1 | 1354.1 (86.8) | 1462.8 (164.8) | This study |
| Na+ | 39.4 | 62.0 | 1.0 | 9.5 | 40.4 (5.0) | 71.5 (8.5) | ||
| Cl− | 58.9 | 120.1 | 1.7 | 29.9 | 60.6 (8.1) | 150.0 (16.3) | ||
| SO42− | 28.1 | 36.0 | 0.6 | 7.9 | 28.7 (3.2) | 43.9 (4.2) | ||
| K+ | 119.3 | 79.1 | 6.1 | 17.7 | 125.4 (9.1) | 96.8 (6.5) | ||
| Mg2+ | 20.4 | 24.7 | 0.4 | 3.1 | 20.7 (2.0) | 27.8 (5.1) | ||
| Ca2+ | 39.5 | 57.7 | 0.8 | 5.5 | 40.2 (4.1) | 63.1 (10.7) | ||
| H+ | 9.6 | 4.6 | 0.6 | 23.1 | 10.2 (3.2) | 27.7 (1.6) | ||
| NH4+ | 72.9 | 112.1 | 0.7 | 16.7 | 73.5 (9.5) | 128.8 (19.4) | ||
| NO3− | 50.7 | 110.0 | 1.0 | 24.0 | 51.7 (7.7) | 134.0 (19.7) | ||
Values in parentheses are standard deviations