Table 6: Parameter estimates and performance of general and site specific models for biomass of tree sections.

SectionGeneral/sitesModelParameter estimatesErrorRMSEAIC

Tree branchesGeneral60.13792.17380.027 × dbh2.456846.890.39823.10
7−1.60310.25240.042 × dbh2.345677.870.41826.66
80.13642.16970.00880.028 × dbh2.451842.130.39825.08
90.04340.88680.047 × dbh2.319757.860.40828.52
100.02700.98870.075 × dbh2.118441.720.75795.70
Dindili60.11732.27500.023 × dbh2.441370.470.75383.04
7−2.54560.32110.033 × dbh2.375285.200.76391.26
80.16042.359620.22050.022 × dbh2.455368.640.76384.92
90.04830.90830.032 × dbh2.380420.120.62390.90
100.046240.95490.020 × dbh2.510296.640.72388.60
Rondo60.13432.07770.046 × dbh2.277619.550.46422.6
70.14030.95480.041 × dbh2.303620.000.46421.78
80.0000070.56314.94560.141 × dbh1.890531.550.64405.46
90.02880.89120.047 × dbh2.249594.470.51416.26
100.053470.88400.205 × dbh1.763345.940.85394.66

Tree stemGeneral60.38591.77940.135 × dbh1.994570.480.49811.60
7−1.05230.24820.109 × dbh2.053618.810.49811.76
80.076461.50731.01720.203 × dbh1.859472.480.62803.40
90.16830.72870.174 × dbh1.903494.660.60801.86
100.08480.87260.333 × dbh1.658259.490.85772.30
Dindili60.24512.01190.086 × dbh2.108358.300.56390.86
7−1.15670.28950.103 × dbh2.059343.870.57390.92
80.03951.38791.45830.181 × dbh1.825212.420.84377.04
90.08690.83920.118 × dbh1.963260.60.77388.60
100.08530.87980.108 × dbh1.994277.390.68380.18
Rondo60.39441.76070.200 × dbh1.869549.370.49417.66
7−5.42580.21470.104 × dbh2.043668.710.48422.10
80.02781.26171.51160.344 × dbh1.694441.800.67412.20
90.08080.80260.213 × dbh1.830493.900.59412.35
100.068120.88880.779 × dbh1.395271.520.89391.32