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Table 2 Average value and standard deviation of major environmental factors in each group

From: Characteristics of vegetation succession on the Pinus thunbergii forests in warm temperate regions, Jeju Island, South Korea

GroupAltitude (m)Distance from coast (m)Annual mean temperature (°C)Annual mean precipitation (mm)Slope (degree)Canopy gap (%)
I74.3 ± 0.31460.9 ± 1254.215.0 ± 0.31659.2 ± 227.28.5 ± 8.346.1 ± 39.9
II125.2 ± 52.03822.9 ± 2801.515.0 ± 0.41747.0 ± 65.012.8 ± 9.015.5 ± 10.1
III142.7 ± 108.14302.6 ± 2902.514.8 ± 0.51605.6 ± 224.67.1 ± 8.516.4 ± 8.0
IV365.0 ± 108.36061.1 ± 1287.514.0 ± 0.51616.1 ± 107.910.4 ± 8.523.6 ± 8.5
Grand mean129.2 ± 112.12855.1 ± 2498.514.9 ± 0.51664.4 ± 194.59.4 ± 8.533.6 ± 33.3