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

Table 1

Correlation matrix between the current monthly increment in diameter and height of the species Araucaria angustifolia and Pinus taeda over the six-year evaluation period with climatic variables.

Species	Variables	Year 1		Year 2		Year 3		Year 4		Year 5		Year 6
		CMI 𝐷	CMI 𝐻	CMI 𝐷	CMI 𝐻	CMI 𝐷	CMI 𝐻	CMI 𝐷	CMI 𝐻	CMI 𝐷	CMI 𝐻	CMI 𝐷	CMI 𝐻
Araucaria angustifolia	CMI 𝐷	1	—	1	—	1	—	1	—	1	—	1	—
	CMI 𝐻	0.1150	1	0.0672	1	0.7531	1	0.5607	1	0.5228	1	0.4950	1
	Pp	0.2031	0.2171	0.3437	0.5635	−0.0063	−0.1714	0.7090	0.5204	0.3873	0.5259	−0.1757	−0.0631
	Pressure	0.1454	−0.6527	−0.2193	−0.8529	−0.5052	−0.8189	−0.6167	−0.9387	−0.5324	−0.8183	−0.5820	−0.7602
	𝑇max	−0.1328	0.8313	0.4327	0.6185	0.7604	0.8976	0.6609	0.8564	0.5972	0.8748	0.5337	0.8411
	𝑇avg	−0.0793	0.8882	0.3899	0.8208	0.7857	0.9087	0.6954	0.8703	0.6056	0.8480	0.5334	0.8800
	𝑇min	−0.0100	0.9138	0.3888	0.8762	0.7869	0.9055	0.7302	0.8802	0.6260	0.8093	0.5578	0.9001
	UR	0.3386	0.7236	0.5903	0.6330	0.1249	0.1930	0.2721	0.2299	0.4139	0.3805	−0.3104	−0.0505
	Rad	−0.3020	0.6537	0.3375	0.4895	0.5000	0.8341	0.4315	0.7371	−0.1420	0.2947	0.4974	0.5098
	Photo	−0.1184	0.5976	0.5067	0.6712	0.7631	0.8394	0.7952	0.9164	0.6173	0.8520	0.7516	0.8127
Pinus taeda	ICM 𝐷	1	—	1	—	1	—	1	—	1	—	1	—
	CMI 𝐻	0.9177	1	0.6618	1	0.4156	1	0.4266	1	0.5029	1	0.2410	1
	Pp	0.4367	0.2669	0.1971	0.4307	0.5352	0.4620	−0.0067	0.3746	0.3689	0.5446	0.0155	−0.2702
	Pressure	−0.8830	−0.8778	−0.3971	−0.6719	−0.1855	−0.7848	−0.6042	−0.8976	−0.3207	−0.8449	0.1402	−0.6805
	𝑇max	0.6711	0.5967	0.8023	0.8430	0.3132	0.5794	0.5003	0.6798	0.5104	0.7966	−0.1710	0.5963
	𝑇avg	0.7076	0.6138	0.7872	0.8375	0.3616	0.6635	0.4973	0.7151	0.4895	0.7587	−0.2657	0.5498
	𝑇min	0.7230	0.6076	0.7669	0.8321	0.3664	0.7298	0.4562	0.7591	0.4529	0.7270	−0.3102	0.5213
	UR	0.4543	0.4208	0.2510	0.4860	0.1912	0.5922	−0.5023	0.0171	0.1532	0.2949	−0.3199	−0.6204
	Rad	0.0635	−0.1482	0.7061	0.8192	−0.0611	0.6078	0.4975	0.7589	0.1314	0.6997	0.0104	0.6333
	Photo	0.8975	0.9448	0.7664	0.9515	0.4089	0.9521	0.4574	0.8564	0.3294	0.8980	−0.0193	0.8467

Where CMI 𝐷: current monthly increment in diameter (cm); ICM 𝐻: current monthly increment in height (m); P_p: monthly precipitation (mm); Pressure: atmospheric pressure (hPa), 𝑇_max: maximum temperature (°C); 𝑇_avg: average temperature (°C); 𝑇_min: minimum temperature (°C), RH: relative humidity (%); Rad: solar radiation (W/m²); Photo: photoperiod (hours/day).