Table 3: Comparison of fixed-area and angle-count estimates of stand increment per 5 years, for the 72 000 data points simulated in each measurement year.

MethodIncrement estimate, m³/ha/5 years
MeanStd. dev.

Fixed-area plots67.8828.14
Angle counts, difference method69.0156.97
Angle counts, starting Value method68.2321.89
Angle counts, end Value method68.2421.13