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

Table 5 Bias and standard error of the estimate of diameter over bark by relative height (RH) class for five tree species using Eq. 4

RH	n	Brutian pine			Lebanon cedar			Cilicica fir			Scots pine			Black pine
RH	n	B (cm)	SEE (cm)	n	B (cm)	SEE (cm)	n	B (cm)	SEE (cm)	n	B (cm)	SEE (cm)	n	B (cm)	SEE (cm)
0.0–0.1	336	0.6741	1.7000	176	0.5702	1.1207	278	0.6403	1.2306	136	−0.0187	0.5686	241	0.8504	1.9695
0.1–0.2	327	0.2952	1.7410	141	0.3689	0.9175	257	0.9980	1.5273	135	−0.1851	0.7463	216	0.3757	1.5345
0.2–0.3	295	0.2911	1.8616	159	0.4177	1.1958	238	1.0091	1.8952	126	0.1123	0.6207	220	−0.1840	1.6260
0.3–0.4	308	0.4709	1.9977	156	0.5000	1.3819	252	0.8840	1.8743	129	0.3065	0.9515	220	−0.3790	1.6860
0.4–0.5	299	0.7038	2.2065	144	0.5407	1.4051	248	0.6098	2.0130	132	0.5240	1.4545	220	−0.3515	1.6930
0.5–0.6	320	0.7317	2.3922	154	0.5198	1.6449	248	0.4760	1.8250	127	0.5763	1.4384	210	−0.3926	1.9855
0.6–0.7	313	0.6374	2.5315	152	0.4312	1.5646	248	0.4100	1.7655	128	0.3083	1.4422	213	−0.3422	2.0911
0.7–0.8	313	0.2850	2.2497	155	0.1197	1.4374	250	0.1903	1.6833	129	−0.1567	1.4941	224	−0.1691	2.4587
0.8–0.9	303	0.0234	1.9724	148	−0.1086	1.2327	251	0.2685	1.4335	127	−0.4035	1.4226	210	0.1430	2.3311
0.9–1.0	249	0.3709	1.7217	165	0.2792	0.8870	236	0.1886	1.1865	101	0.0682	0.9784	111	−0.0614	1.6431
All	3,063	0.4527	2.0517	1,550	0.3670	1.2870	2,506	0.5698	1.6528	1,270	0.3376	1.3432	2,091	−0.0411	1.9268
		FI	0.9770		FI	0.9845		FI	0.9843		FI	0.9793		FI	0.9768

ISSN: 1297-966X