Research Article

N : P Stoichiometry in a Forested Runoff during Storm Events: Comparisons with Regions and Vegetation Types

Table 1

Summary of forested runoff nutrient concentrations (μmol L−1) and the molar N : P ratio in storm and baseflow states for the complete dataset (all sites).

ConditionValueDTPDTNDIPDINDOPDONN : P Ratio

StormMin0.021.360.020.180.020.437
Max2.29226.362.26210.721.454162567
Mean0.3351.620.1245.950.2117.23236
SD0.3456.320.2155.910.2132.53279

Baseflow*Min0.030.750.020.600.020.187
Max1.231121.031060.4114.11858
Mean0.1624.60.1321.50.093.59165
SD0.2125.20.1723.60.072.52198

N : P ratios are defined as DTN : DTP molar ratios; molar N: 𝑃 0 . 4 5 N : P (by mass); *data from Zhang et al. [2].