Table 1. The major climatic factors of B. berchemiifolia stands extracted from Worldclim-Global Climate Data. The climate information is the representative climate factor derived through PCA analysis, and is the average information for 50 years (1950∼2000).

Climate information	Annual Mean Temperature (°C)	Mean Temperature of Warmest Quarter (°C)	Mean Temperature of Coldest Quarter (°C)	Annual Precipitation (mm)	Precipitation of Wettest Quarter (mm)	Precipitation of Driest Quarter (mm)
Plot 1	13.9	24.3	2.7	1,355	680	121
Plot 2	13.9	24.3	2.7	1,355	680	121
Plot 3	13.9	24.4	2.7	1,352	679	120
Plot 4	13.9	24.3	2.7	1,355	680	121
Plot 5	12.4	23.1	1.1	1,499	764	131
Plot 6	13.0	24.0	1.7	1,434	730	125
Grand mean	13.5±0.6	24.1±0.5	2.3±0.7	1,391.7±61.5	702.2±36.4	123.2±4.2