Large-Scale Forest Modeling: Deducing Stand Density from Inventory Data

Table 2

Species-specific parameters and growth submodel fitting statistics.

Species	𝛽0	𝛽2	𝛽3	𝐵0	Wood density (Mg m^−3)	𝑟^2 net increment	𝑟^2 gross increment
Picea  abies	0.0081	64	−0.45	0.23	0.38	0.77	0.30
Larix sp. *	0.0091	54	−0.29	0.30	0.39	0.69	0.77
Pseudotsuga  menziesii	0.0137	39	−0.26	0.30	0.4	0.87	0.46
Abies sp. *	0.0091	54	−0.41	0.23	0.39	0.63	0.26
Pinus sylvetris, Pinus nigra	0.0092	64	−0.33	0.30	0.43	0.93	0.82
Pinus  pinaster	0.01	64	−0.34	0.30	0.43	0.71	0.43
Populus sp. *	0.0227	22	−0.37	0.30	0.4	0.89	0.70
Quercus sp. *	0.0079	74	−0.38	0.45	0.57	0.85	0.59
Fagus  sylvatica	0.0077	69	−0.24	0.50	0.56	0.52	0.66
Betula sp. *	0.0109	53	−0.24	0.30	0.58	0.65	0.75

*based on more than one species of the same genus, species listed in [23].
Description of parameters and units in Table 1.