Research Article
Dominant Height Model for Site Classification of Eucalyptus grandis Incorporating Climatic Variables
Table 1
Descriptive statistics of the database used to model dominant height in function of age with incorporation of climatic variables.
| | Variable | Descriptive statistics | | Mean | Minimum | Maximum | CVb% |
| | Stand | | | | | | Planting age (year) | 1994.9 | 1987.0 | 2000.0 | — | | Dominant height (m) | 20.9 | 4.9 | 37.3 | 19.0 | | Mean annual dominant height increment (m/year) | 4.7 | 2.2 | 9.0 | 20.8 | | Age (years) | 4.6 | 1.0 | 12.3 | 31.8 | | Environmental | | | | | | Latitude | 19.1 | 17.6 | 19.9 | 3.3 | | Content of clay in the soil (%) | 35.6 | 8.5 | 56.0 | 19.9 | | Content of silt in the soil (%) | 7.0 | 5.5 | 8.3 | 6.7 | | Content of sand in the soil (%) | 57.2 | 36.2 | 86.0 | 12.8 | | Maximum monthly temperature (°C) | 28.4 | 26.1 | 30.5 | 3.1 | | Mean monthly temperature (°C) | 23.8 | 21.3 | 25.1 | 2.5 | | Minimum monthly temperature (°C) | 20.3 | 17.9 | 21.3 | 3.0 | | Monthly precipitation (mm) | 94.5 | 63.0 | 188.0 | 12.7 | | Monthly precipitation—sdma (mm) | 11.7 | 6.9 | 43.3 | 30.7 | | Monthly potential evapotranspiration (mm) | 103.8 | 75.6 | 120.5 | 7.1 | | Monthly potential evapotranspiration—sdm (mm) | 4.1 | 2.3 | 7.1 | 18.3 |
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asdm: standard deviation of the mean monthly values, bCV: coefficient of variation.
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