Table 3. Annual mean concentrations (mg N l−1) of total dissolved nitrogen, N-NH4 +, N-NO3 − and dissolved organic nitrogen in water flows in a Pleioblastus amarus bamboo forest.
| Flow path | TDN | N-NH4 + | N-NO3 − | DON |
| PP | 5.74 (0.32) | 3.12 (0.15) | 1.25 (0.06) | 1.36 (0.08) |
| TF | 6.84 (0.28) | 4.81 (0.28) | 0.82 (0.06) | 1.21 (0.07) |
| SF | 7.49 (0.51) | 4.49 (0.24) | 1.57 (0.08) | 1.40 (0.06) |
| SR | 9.15 (0.68) | 0.70 (0.05) | 7.04 (0.46) | 1.41 (0.06) |
| FFL | 10.56 (0.46) | 3.96 (0.13) | 4.72 (0.32) | 1.87 (0.10) |
| SW1 | 7.54 (0.21) | 2.84 (0.09) | 3.58 (0.19) | 1.11 (0.05) |
| SW2 | 6.27 (0.16) | 1.45 (0.07) | 3.61 (0.14) | 0.96 (0.03) |
Abbreviations: TDN = total dissolved nitrogen, DON = dissolved organic nitrogen, PP = precipitation, TF = throughfall, SF = stemflow, SR = surface runoff, FFL = forest floor leachate, SW1 = soil water at 40 cm belowground, SW2 = soil water at 100 cm belowground. SD in parentheses, n = 3.