Modeling of radial growth curves and radial variation of basic density in Chamaecyparis obtusa planted in two progeny test sites

Journal of Wood Science

Official Journal of the Japan Wood Research Society

Table 1 Outline of two progeny test sites

Details	Hitachi	Kiso
Latitude	36°41'N	35°45'N
Longitude	140°41'E	137°35'E
Above sea level (m)	30	1230–1350
Established date	April 1998	May 1998
Initial planting spacing (stem/ha)	3000	3000
Number of replicate blocks	6	6 (5)
Slope (degree)	0–5	5–15
Monthly mean temperature (℃)
Minimum	4 (January–February)	− 5 (January)
Maximum	25 (August)	19 (August)
Mean	14	7
Monthly total precipitation (mm)
Minimum	44 (December)	76 (Jannuay)
Maximum	201 (September)	412 (July)
Annual total precipitation (mm)	1501	2482
Maximum snow depth (cm)	6	22

Of six replicate blocks in the Kiso site, five replicate blocks were subjected for the present study because the number of survival individuals was limited in one replicate block. The climate dataset was based on a 1-km mesh scale via the digital national land information of Japan [21]