Table 9 Parameter estimates for the compatible taper and volume equations for economically important tree species based on all sample data
From: Compatible volume and taper models for economically important tree species of Turkey
Model | r | c | e | p | a | b | b1 | b2 |
|---|---|---|---|---|---|---|---|---|
Model 1 | ||||||||
Brutian pine | 11.5135 | 0.2501 | 1069.923 | 3.1086 | 0.8355 | 2.1099 | ||
Lebanon cedar | 4.7271 | 0.2017 | 2203.949 | 1.3455 | 1.0220 | −8.0195 | ||
Cilicica fir | 5.2524 | 0.1783 | 1218.746 | 2.3669 | 0.9861 | 10.3318 | ||
Scots pine | 7.5552 | 0.1565 | 1412.678 | 4.1543 | 0.9319 | 5.5064 | ||
Black pine | 11.9387 | 0.1977 | 3030.905 | 6.6283 | 0.7775 | 3.1583 | ||
Model 2 | ||||||||
Brutian pine | 11.4017 | 0.2540 | 1011.186 | 2.3083 | 0.8121 | 2.0202 | 0.8626 | −0.7413 |
Lebanon cedar | 5.4615 | 0.2082 | 2092.052 | 4.7690 | 1.0171 | −11.0719 | 0.8654 | −0.6268 |
Cilicica fir | 16.7668 | 0.1946 | 2060.795 | 2.8190 | 0.9879 | 11.9823 | 0.8606 | −0.7317 |
Scots pine | 7.9374 | 0.1683 | 1347.738 | 4.0489 | 0.9281 | 5.5458 | 0.8547 | −0.5223 |
Black pine | 14.6912 | 0.2212 | 2919.034 | 5.3852 | 0.7742 | 3.1097 | 0.8943 | −1.0560 |