Compatible volume and taper models for economically important tree species of Turkey

Table 7 Bias and standard error of the estimate of total volume by relative height (RH) class for five tree species using Eq. 5

RH	n	Brutian pine			Lebanon cedar			Cilicica fir			Scots pine			Black pine
RH	n	B (m³)	SEE (m³)	n	B (m³)	SEE (m³)	n	B (m³)	SEE (m³)	n	B (m³)	SEE (m³)	n	B (m³)	SEE (m³)
0.0–0.1	336	0.0023	0.0075	176	0.0025	0.0049	278	0.0026	0.0096	136	−0.0003	0.0022	241	0.0022	0.0079
0.1–0.2	327	0.0010	0.0099	141	0.0014	0.0045	257	0.0030	0.0097	135	−0.0003	0.0030	216	0.0012	0.0095
0.2–0.3	295	0.0010	0.0096	159	0.0013	0.0052	238	0.0029	0.0101	126	0.0005	0.0022	220	−0.0013	0.0093
0.3–0.4	308	0.0014	0.0093	156	0.0013	0.0055	252	0.0020	0.0091	129	0.0015	0.0045	220	−0.0012	0.0087
0.4–0.5	299	0.0022	0.0102	144	0.0015	0.0052	248	0.0006	0.0088	132	0.0019	0.0053	220	−0.0007	0.0079
0.5–0.6	320	0.0015	0.0095	154	0.0008	0.0053	248	0.0004	0.0067	127	0.0015	0.0044	210	−0.0002	0.0091
0.6–0.7	313	0.0012	0.0082	152	0.0006	0.0041	248	0.0001	0.0053	128	0.0005	0.0037	213	0.0001	0.0083
0.7–0.8	313	0.0002	0.0050	155	−0.0001	0.0031	250	−0.0002	0.0039	129	−0.0006	0.0031	224	0.0008	0.0082
0.8–0.9	303	−0.0001	0.0026	148	−0.0002	0.0017	251	0.0001	0.0020	127	−0.0005	0.0019	210	0.0006	0.0047
0.9–1.0	249	0.0001	0.0010	165	0.0001	0.0004	236	−0.0001	0.0008	101	0.0001	0.0005	111	−0.0001	0.0012
All	3,063	0.0011	0.0080	1,550	0.0009	0.0043	2,506	0.0012	0.0074	1,270	0.0008	0.0041	2,091	0.0002	0.0080
		FI	0.9821		FI	0.9859		FI	0.9843		FI	0.9828		FI	0.9786

ISSN: 1297-966X