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
CMI
CMI
CMI
CMI
CMI
CMI
CMI
CMI
CMI
CMI
CMI
Araucaria angustifolia
CMI
1
—
1
—
1
—
1
—
1
—
1
—
CMI
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
−0.1328
0.8313
0.4327
0.6185
0.7604
0.8976
0.6609
0.8564
0.5972
0.8748
0.5337
0.8411
−0.0793
0.8882
0.3899
0.8208
0.7857
0.9087
0.6954
0.8703
0.6056
0.8480
0.5334
0.8800
−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
1
—
1
—
1
—
1
—
1
—
1
—
CMI
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
0.6711
0.5967
0.8023
0.8430
0.3132
0.5794
0.5003
0.6798
0.5104
0.7966
−0.1710
0.5963
0.7076
0.6138
0.7872
0.8375
0.3616
0.6635
0.4973
0.7151
0.4895
0.7587
−0.2657
0.5498
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 : current monthly increment in diameter (cm); ICM : current monthly increment in height (m); Pp: monthly precipitation (mm); Pressure: atmospheric pressure (hPa), : maximum temperature (°C); : average temperature (°C); : minimum temperature (°C), RH: relative humidity (%); Rad: solar radiation (W/m²); Photo: photoperiod (hours/day).