Table 3: Parameter estimates and volume models performance for individual total tree and sectional volume.

SectionGeneral/site specificModelParameter estimatesErrorRMSEAIC

Total tree volumeGeneral62.16200.013 × dbh0.50.900.9592.32
70.001020.013 × dbh0.50.850.9592.06
82.34880.38480.013 × dbh0.50.900.9591.64
90.90390.014 × dbh0.51.100.92107.42
Dindili forest70.000900.014 × dbh0.50.720.8845.82
82.50420.43290.012 × dbh0.50.740.8939.36
Rondo forest70.00100.011 × dbh0.50.870.9646.92
82.31760.18540.010 × dbh0.50.920.9645.34

Tree branch volumeGeneral62.16580.013 × dbh0.50.840.7888.74
70.000310.013 × dbh0.50.820.7888.58
82.55140.12770.012 × dbh0.50.830.7989.78
90.89010.014 × dbh0.50.900.7399.72
Dindili forest70.000460.013 × dbh0.50.600.7039.66
82.92290.39030.012 × dbh0.50.700.6938.26
Rondo forest70.000330.011 × dbh0.50.800.8445.72
82.56420.06590.010 × dbh0.50.800.8743.14

Tree stem volumeGeneral62.14520.028 × dbh0.50.680.8947.90
70.000520.009 × dbh0.50.650.9047.74
82.16110.55170.008 × dbh0.50.650.9038.70
90.90880.008 × dbh0.50.670.8940.18
Dindili forest70.000470.008 × dbh0.50.420.7933.9
82.03921.28550.007 × dbh0.50.360.864.3
Rondo forest70.000590.009 × dbh0.50.830.9033.94
82.16850.30380.009 × dbh0.50.830.9035.3