Figure 1.
Monthly variations in litterfall fractions in a Pleioblastus amarus bamboo forest.
Bars indicate ± SD, n = 10.
Table 1.
Concentrations, pools and fluxes of total nitrogen in vegetation by part, litterfall by litter fraction, and soils by horizon in a Pleioblastus amarus bamboo forest.
Table 2.
Monthly records of water flows from January to December 2009 in a Pleioblastus amarus bamboo forest.
Figure 2.
Seasonal variations of total dissolved nitrogen, N-NH4+, N-NO3− and dissolved organic nitrogen concentrations in different flow paths.
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. Bars indicate ± SD, n = 3.
Figure 3.
Relationships between monthly water flow depths and monthly mean total dissolved nitrogen concentrations.
Abbreviations: TDN = total dissolved 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. Bars indicate ± SD, n = 3.
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.
Figure 4.
Pools and fluxes of nitrogen in a Pleioblastus amarus bamboo forest.
Abbreviations: 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.
Table 4.
Annual fluxes (kg N ha−1 yr−1) as total dissolved nitrogen, N-NH4+, N-NO3− and dissolved organic nitrogen and effects of forest vertical structure on N fluxes in a Pleioblastus amarus bamboo forest.