Table 1. Overview of sample site, corresponding pH and DOC concentration, sampling period and length of growing season.
| Site | Plot number designation | Sampling depth (cm) | Sampling month | Sample | pH | DOC (mg/L) | Sampling period in 2005 | Length of the growing season (days) |
|---|---|---|---|---|---|---|---|---|
| Hainich | 2 | 5 | March | HS2–5-Mar | 5.3 | 12.1 | 8–23 March | 11 |
| 4 | 5 | March | HS4–5-Mar | 5.5 | 9.2 | |||
| 2 | 5 | May | HS2–5-May | 5.0 | 17.4 | 5–3 May | 55 | |
| 4 | 5 | May | HS4–5-May | 5.0 | 15.7 | |||
| 2 | 5 | November | HS2–5-Nov | 5.0 | 27.6 | 2–25 Nov | 237 | |
| 4 | 5 | November | HS4–5-Nov | 5.0 | 20.9 | |||
| Thann | 1 | 5 | March | T-5-March | 4.5 | 55.5 | 9–19 March | 8 |
| 1 | 5 | May | T-5-May | 4.5 | 89.7 | 4–25 May | 70 | |
| 1 | 5 | November | T-5-Nov | 4.3 | 42.7 | 6–23 Dec | 235 | |
| Wetzstein | 1 | 5 | March | W1–5-Mar | 4.0 | 69.1 | 3–17 March | 0 |
| 3 | 10 | March | W3–10-Mar | 4.0 | 120.5 | |||
| 1 | 5 | May | W1–5-May | 4.3 | 96.0 | 11–26 May | 41 | |
| 3 | 5 | May | W3–5-May | 4.3 | 94.4 | |||
| 3 | 10 | May | W3–10-May | 4.0 | 151.9 | |||
| 1 | 5 | November | W1–5-Nov | 4.0 | 61.9 | 26–6 Dec | 199 | |
| 3 | 5 | November | W3–5-Nov | 4.0 | 100.1 |