Effect of Climate Variables on Monthly Growth in Modeling Biological Yield of Araucaria angustifolia and Pinus taeda in the Juvenile Phase

Table 4

Coefficients and statistics of the Chapman-Richards equation for monthly production in diameter (𝐷) and height (𝐻) of Araucaria angustifolia and Pinus taeda, with (CV) and without (NCV) the inclusion of climate variables.

Period	Var.	Type	Araucaria angustifolia							Pinus taeda
			Equation coefficients					IA	Syx%	Equation coefficients					IA	Syx%
			𝛼	𝛽1	𝛽2	𝑐1	𝑐2			𝛼	𝛽1	𝛽2	𝑐1	𝑐2
Year 1	𝐷	NCV	1.4270	0.1277	0.3903	—	—	0.7388	37.84	6.2914	0.1931	0.5888	—	—	0.9659	12.99
		CV	1.5800	0.0826	0.2401	−0.0101	0.0028	0.6918	36.35	8.4300	0.0946	0.4121	0.0132	−0.0002	0.9602	12.29
	𝐻	NCV	1.0018	0.1292	0.0000	—	—	0.6412	35.66	2.1729	0.3392	0.7704	—	—	0.9312	18.80
		CV	0.9424	0.1449	0.0000	−0.0061	0.0009	0.5218	37.44	2.4700	0.1633	0.5473	0.0219	−0.0006	0.9230	17.83
Year 2	𝐷	NCV	4.3122	0.0767	0.0929	—	—	0.8852	20.87	7.3312	0.1515	0.4863	—	—	0.9615	13.46
		CV	4.1258	0.0951	0.1221	−0.0030	−0.0002	0.8486	20.27	9.9380	0.0772	0.3407	0.0103	−2.2𝐸−05	0.9531	12.95
	𝐻	NCV	1.7444	0.3260	0.8309	—	—	0.9475	18.83	2.0521	0.4236	0.8678	—	—	0.9519	16.91
		CV	1.8600	0.3408	0.8361	0.0001	−0.0004	0.9391	18.22	1.8737	0.3193	0.8057	0.0067	0.0004	0.9445	16.18
Year 3	𝐷	NCV	4.1678	0.1729	0.3941	—	—	0.9621	11.85	6.1763	0.1204	0.2201	—	—	0.8968	19.52
		CV	3.6582	0.1531	0.3720	0.0045	0.0014	0.9496	11.55	10.009	0.0427	0.0115	0.0079	0.0001	0.8657	18.81
	𝐻	NCV	2.0871	0.2560	0.6651	—	—	0.9367	17.74	2.0801	0.3654	0.8267	—	—	0.9606	14.88
		CV	2.0300	0.2295	0.6405	0.0053	0.0001	0.9218	17.27	2.0001	0.2756	0.7514	0.0088	0.0003	0.9545	14.16
Year 4	𝐷	NCV	4.3914	0.1518	0.4343	—	—	0.8858	22.87	5.8306	0.1460	0.3665	—	—	0.8723	23.35
		CV	3.6196	0.1126	0.3752	0.0129	0.0019	0.8571	22.22	6.6597	0.0892	0.2384	0.0079	−0.0001	0.8389	22.59
	𝐻	NCV	1.6234	0.3489	0.7655	—	—	0.9552	14.91	1.9455	0.4129	0.8526	—	—	0.9681	13.29
		CV	1.5002	0.3805	0.7868	−0.0138	0.0024	0.9449	14.48	1.8104	0.3548	0.8153	0.0061	3.4𝐸−05	0.9621	12.83
Year 5	𝐷	NCV	3.9219	0.1641	0.4436	—	—	0.9174	18.93	6.3711	0.0755	0.1949	—	—	0.7791	31.66
		CV	3.6229	0.1549	0.4270	0.0008	0.0010	0.8959	18.33	6.7998	0.0689	0.1814	0.0041	−0.0006	0.7238	30.71
	𝐻	NCV	1.5641	0.4103	0.8491	—	—	0.9509	16.46	1.8148	0.3410	0.8028	—	—	0.9191	21.18
		CV	2.2466	0.3639	0.8232	0.0138	−0.0068	0.9413	15.89	1.0102	0.1774	0.6259	0.0200	0.0043	0.9066	20.15
Year 6	𝐷	NCV	4.3932	0.1688	0.4272	—	—	0.8365	27.11	3.0697	0.0972	0.1446	—	—	0.6992	37.29
		CV	4.1163	0.2233	0.5007	−0.0253	0.0025	0.7984	26.09	2.9608	0.1405	0.2554	−0.0062	−4.0𝐸−05	0.6313	35.91
	𝐻	NCV	1.6546	0.3776	0.8708	—	—	0.9467	18.65	1.6395	0.3862	0.8155	—	—	0.9296	18.87
		CV	1.1100	0.3439	0.8547	0.0143	0.0022	0.9393	17.94	1.4015	0.2735	0.7095	0.0102	−2.0𝐸−05	0.9181	17.87