| Ecosystem and depth | C-tot. | N-tot. | C/N |
| 1966/2013 | 1966/2013 | 1966/2013 | |
| g∙dm−3 | g∙dm−3 | ||
| Oxalis acetosella forest | |||
| 0 - 10 cm | 35/56 | 3.4/5.3 | 10.3/10.7 |
| 10 - 20 cm | 30/40 | 2.9/4.1 | 10.5/9.9 |
| 20 - 30 cm | 16/27 | 2.0/2.9 | 8.0/9.3 |
| 30 - 40 cm | 10/17 | 1.6/2.0 | 7.5/8.5 |
| ton∙ha−1 | 92/140 | 9.9/14.2 | 9.3/9.9 |
| Increase (%) | 52 | 43 | |
| Filipendula ulmaria | |||
| 0 - 10 cm | 40/106 | 2.6/10.1 | 11.6/10.6 |
| 10 - 20 cm | 46/78 | 3.9/8.0 | 11.8/9.8 |
| 20 - 30 cm | 25/54 | 4.6/6.5 | 5.4/8.3 |
| ton∙ha−1 | 111/238 | 11.1/24.5 | 10.0/9.7 |
| Increase (%) | 114 | 121 | |
| Carex flacca fen | |||
| 0 - 10 cm | 44/138 | 4.3/13.0 | 10.2/10.7 |
| 10 - 20 cm | 52/72 | 5.2/7.8 | 10.0/9.2 |
| 20 - 30 cm | 32/39 | 3.5/4.7 | 9.1/8.3 |
| ton∙ha−1 | 128/249 | 13.0/25.5 | 9.8/9.8 |
| Increase (%) | 95 | 96 | |
| Carex caespitosa fen | |||
| 0 - 10 cm | 50/162 | 4.5/14.5 | 11.1/11.2 |
| 10 - 20 cm | 67/90 | 6.5/8.8 | 10.3/10.3 |
| 20 - 30 cm | 49/49 | 6.4/5.7 | 7.7/8.6 |
| ton∙ha−1 | 166/301 | 17.4/29.0 | 9.5/10.4 |
| Increase (%) | 81 | 67 |