Table 1. General description and site characteristics for thinning experimental sites of Korean white pine plantation.

Thinning experimental site	Experiment area (ha)	Plot area (ha)	Established year	Stand age (year)		Annual mean temperature (°C)	Annual mean precipitation (mm)	Soil moisture	Soil texture	Aspect (°)	Slope (°)	Elevation (m)	Site index^a) (m)	Location^b)
Thinning experimental site	Experiment area (ha)	Plot area (ha)	Established year	First measurement	Last measurement	Annual mean temperature (°C)	Annual mean precipitation (mm)	Soil moisture	Soil texture	Aspect (°)	Slope (°)	Elevation (m)	Site index^a) (m)	Location^b)
Site 1	0.16	0.04	1996	19	42	11.4 (6.3~17.4)	1,341.5	Moderate	Loam	213~232	18~28	622~630	14	N: 37°47′25″E: 127°50′02″
Site 2	0.16	0.04	1996	19	42					233~260	12~26	645~661	14	N: 37°47′27″E: 127°50′03″
Site 3	0.36	0.09	1999	21	43					194~256	26~28	600~612	16	N: 37°48′07″E: 127°49′24″

Site index of Korean white pine plantations was computed based on base age and dominant height according to the site index table provided by Korea Forest Research Institute (2012b).
The coordinate system of location is WGS 84 Web Mercator.