Table 3.
Comparison of the dry deposition values (mmol m−2 year−1) of Na+, Cl−, SO42−, K+, Mg2+, Ca2+, H+, NH4+, and NO3− between deciduous (Dec) and coniferous (Con) species during the annual, growing, and dormant periods in this and previous studies
| Dry deposition (mmol m–2 year–1) | |||||||
|---|---|---|---|---|---|---|---|
| Elements | Annual | Growing | Dormant | Site | |||
| Dec | Con | Dec | Con | Dec | Con | ||
| Na+ | 0.4 (0.6) | 0.7 (0.2) | − 0.2 (0.2) | − 0.3 (0.2) | 0.6 (0.6) | 0.9 (0.1) | Ontario |
| 1.3 | 1.6 | 0.6 | 0.5 | 0.8 | 1.0 | Quebec | |
| 26.4 | 70.8 | 14.0 | 33.6 | 12.5 | 31.0 | Merksplas | |
| − 1.0 (1.3) | 0.5 (0.8) | 0.8 (1.8) | 1.4 (0.4) | − 1.8 (1.3) | − 0.9 (0.5) | Chichibu | |
| 3.6 (5.6) | 34.7 (8.5) | 2.9 (3.5) | 25.3 (6.0) | 0.8 (2.3) | 9.4 (3.7) | Tanashi | |
| Cl− | 3.7 (0.8) | 3.7 (0.7) | 2.9 (0.5) | 1.8 (0.2) | 0.9 (0.3) | 1.7 (0.9) | Ontario |
| 3.7 | 5.4 | 2.5 | 3.4 | 1.2 | 2.1 | Quebec | |
| - | - | - | - | - | - | Merksplas | |
| 5.7 (2.7) | 22.7 (7.0) | 6.8 (5.1) | 17.9 (5.7) | − 1.1 (1.4) | 4.8 (2.1) | Chichibu | |
| 13.4 (9.0) | 102.8 (16.3) | 10.7 (5.3) | 70.0 (11.5) | 2.8 (3.9) | 32.8 (7.0) | Tanashi | |
| SO42− | 5.0 (4.4) | 15.7 (4.9) | 3.0 (1.3) | 5.9 (0.6) | 2.3 (3.5) | 9.9 (5.5) | Ontario |
| 4.6 | 10.1 | 2.7 | 3.4 | 1.9 | 6.7 | Quebec | |
| - | - | - | - | - | - | Merksplas | |
| 1.8 (1.2) | 0.9 (0.7) | 1.6 (1.2) | − 0.1 (0.6) | 0.3 (1.1) | 1.0 (0.5) | Chichibu | |
| 9.2 (3.5) | 24.3 (4.2) | 8.0 (2.2) | 16.0 (2.9) | 1.2 (1.6) | 8.3 (2.5) | Tanashi | |
| K+ | 0.3 (0.5) | 0.4 (0.1) | − 0.3 (0.2) | − 0.3 (0.3) | 0.2 (0.1) | 0.3 (0.0) | Ontario |
| 0.5 | 0.6 | 0.3 | 0.2 | 0.3 | 0.3 | Quebec | |
| 1.9 | 5.1 | 1.4 | 3.3 | 0.5 | 1.1 | Merksplas | |
| − 1.5 (1.4) | 0.4 (0.9) | 0.5 (2.4) | 2.7 (0.6) | − 1.2 (1.2) | − 0.4 (0.4) | Chichibu | |
| 0.4 (1.7) | 8.5 (2.4) | 0.4 (0.9) | 5.7 (1.5) | 0.0 (1.2) | 3.6 (2.1) | Tanashi | |
| Mg2+ | 0.2(0.3) | 0.3 (0.1) | − 0.2 (0.1) | − 0.2 (0.2) | 0.2 (0.1) | 0.3 (0.0) | Ontario |
| 0.4 | 0.5 | 0.3 | 0.2 | 0.1 | 0.2 | Quebec | |
| 1.9 | 5.1 | 0.9 | 2.1 | 1.0 | 2.6 | Merksplas | |
| − 0.2 (0.3) | 0.2 (0.2) | 0.2 (0.4) | 0.4 (0.1) | − 0.3 (0.4) | − 0.1 (0.1) | Chichibu | |
| 0.9 (1.2) | 7.8 (1.9) | 0.6 (0.8) | 5.5 (1.3) | 0.2 (0.4) | 2.1 (0.7) | Tanashi | |
| Ca2+ | 0.9 (1.6) | 1.3 (0.6) | − 0.5 (0.5) | − 0.6 (0.6) | 0.8 (0.7) | 1.1 (0.2) | Ontario |
| 1.7 | 2.0 | 1.0 | 0.9 | 0.6 | 0.8 | Quebec | |
| 3.8 | 10.3 | 1.9 | 4.5 | 2.1 | 5.2 | Merksplas | |
| − 0.4 (1.1) | 0.6 (0.7) | 0.6 (1.4) | 1.3 (0.4) | − 1.0 (1.4) | 0.0 (0.4) | Chichibu | |
| 1.8 (2.7) | 16.9 (4.1) | 1.2 (1.6) | 11.4 (2.7) | 0.5 (1.2) | 5.6 (2.0) | Tanashi | |
| H+ | 33.2 (17.8) | 64.5 (18.7) | 24.8 (6.9) | 35.0 (1.0) | 9.4 (9.3) | 31.1 (18.8) | Ontario |
| 36.7 | 40.2 | 28.2 | 22.6 | 7.7 | 18.1 | Quebec | |
| 4.9 | − 5.0 | 2.4 | − 1.3 | − 0.7 | − 2.5 | Merksplas | |
| 62.0 (16.5) | 119.2 (20.2) | 47.9 (17.5) | 79.3 (14.5) | 12.5 (6.0) | 36.9 (8.3) | Chichibu | |
| 105.8 (15.2) | 108.6 (14.9) | 96.7 (14.1) | 77.6 (12.3) | 9.2 (3.9) | 30.5 (5.2) | Tanashi | |
| NH4+ | − 2.8 (5.4) | − 7.2 (1.9) | − 0.1 (4.5) | − 3.7 (0.7) | − 1.7 (1.9) | − 2.5 (2.5) | Ontario |
| − 0.8 | − 11.0 | − 1.2 | − 10.0 | 0.9 | − 0.8 | Quebec | |
| 82.9 | 446.3 | 57.1 | 301.9 | 26.7 | 148.2 | Merksplas | |
| 41.8 (7.3) | 8.6 (5.0) | 37.5 (15.5) | 5.1 (3.9) | 5.1 (3.3) | 3.1 (2.6) | Chichibu | |
| 104.2 (16.2) | 153.6 (23.0) | 94.2 (14.6) | 112.3 (14.0) | 10.0 (5.9) | 40.9 (11.6) | Tanashi | |
| NO3− | 2.2 (2.9) | 10.0 (6.8) | − 0.1 (0.6) | 3.2 (0.9) | 2.3 (2.9) | 7.2 (7.2) | Ontario |
| 4.7 | − 3.5 | − 0.4 | − 6.2 | 5.1 | 2.8 | Quebec | |
| 63.1 | 246.6 | 45.9 | 166.3 | 26.7 | 82.4 | Merksplas | |
| 5.9 (1.9) | 6.6 (0.6) | 1.8 (2.0) | 2.6 (1.4) | 3.6 (2.2) | 3.6 (1.1) | Chichibu | |
| 22.3 (9.3) | 107.1 (20.9) | 19.0 (6.7) | 83.0 (16.7) | 3.2 (3.7) | 24.0 (8.2) | Tanashi | |
Values in parentheses are standard deviations