International Journal of Forestry Research / 2013 / Article / Tab 1

Research Article

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.

SpeciesVariablesYear 1Year 2Year 3Year 4Year 5Year 6
CMI CMI CMI CMI CMI CMI CMI CMI CMI CMI CMI CMI

Araucaria angustifolia CMI 111111
CMI 0.115010.067210.753110.560710.522810.49501
Pp0.20310.21710.34370.5635−0.0063−0.17140.70900.52040.38730.5259−0.1757−0.0631
Pressure0.1454−0.6527−0.2193−0.8529−0.5052−0.8189−0.6167−0.9387−0.5324−0.8183−0.5820−0.7602
−0.13280.83130.43270.61850.76040.89760.66090.85640.59720.87480.53370.8411
−0.07930.88820.38990.82080.78570.90870.69540.87030.60560.84800.53340.8800
−0.01000.91380.38880.87620.78690.90550.73020.88020.62600.80930.55780.9001
UR0.33860.72360.59030.63300.12490.19300.27210.22990.41390.3805−0.3104−0.0505
Rad −0.30200.65370.33750.48950.50000.83410.43150.7371−0.14200.29470.49740.5098
Photo−0.11840.59760.50670.67120.76310.83940.79520.91640.61730.85200.75160.8127

Pinus taeda ICM 111111
CMI 0.917710.661810.415610.426610.502910.24101
Pp0.43670.26690.19710.43070.53520.4620−0.00670.37460.36890.54460.0155−0.2702
Pressure−0.8830−0.8778−0.3971−0.6719−0.1855−0.7848−0.6042−0.8976−0.3207−0.84490.1402−0.6805
0.67110.59670.80230.84300.31320.57940.50030.67980.51040.7966−0.17100.5963
0.70760.61380.78720.83750.36160.66350.49730.71510.48950.7587−0.26570.5498
0.72300.60760.76690.83210.36640.72980.45620.75910.45290.7270−0.31020.5213
UR0.45430.42080.25100.48600.19120.5922−0.50230.01710.15320.2949−0.3199−0.6204
Rad0.0635−0.14820.70610.8192−0.06110.60780.49750.75890.13140.69970.01040.6333
Photo0.89750.94480.76640.95150.40890.95210.45740.85640.32940.8980−0.01930.8467

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).

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