Table 5. Regression models to quantify annual rainfall interception per tree of study species

Species	Regression model^*	r²	p	N	Range^**
Abies holophylla	lnY= —3.4548+1.5267 lnDBH	0.9350	<0.0001	234	DBH	10.0-59.8
Abies holophylla	lnY= —1.1541+1.8984 lnCW	0.9524	<0.0001	234	CW	1.6-7.3
Acer palmatum	lnY= —3.8542+1.4769 lnDBH	0.9003	<0.0001	603	DBH	10.0-45.3
Acer palmatum	lnY= —2.0157+1.9777 lnCW	0.9739	<0.0001	603	CW	2.2-7.0
Ginkgo biloba	lnY= —4.1479+1.7237 lnDBH	0.9243	<0.0001	269	DBH	10.0-68.0
Ginkgo biloba	lnY= —1.5127+1.9632 lnCW	0.9772	<0.0001	269	CW	1.5-7.6
Pinus densiflora	lnY= —5.105+1.9461 lnDBH	0.9247	<0.0001	492	DBH	10.0-54.3
Pinus densiflora	lnY= —1.6367+1.9852 lnCW	0.9711	<0.0001	492	CW	1.7-7.8
Pinus koraiensis	lnY= —3.472+1.6281 lnDBH	0.9157	<0.0001	513	DBH	10.0-54.5
Pinus koraiensis	lnY= —1.0959+1.9457 lnCW	0.9646	<0.0001	513	CW	1.8-7.5
Prunus yedoensis	lnY= —3.9227+1.5249 lnDBH	0.9298	<0.0001	313	DBH	10.0-90.0
Prunus yedoensis	lnY= —2.108+1.9814 lnCW	0.9857	<0.0001	313	CW	2.1-12.8
Zelkova serrata	lnY= —2.4985+1.3769 lnDBH	0.9007	<0.0001	727	DBH	10.0-98.9
Zelkova serrata	lnY= —1.3614+1.9926 lnCW	0.9888	<0.0001	727	CW	2.0-15.0

Y: Rainfall interception (m³/tree/yr).
DBH: cm, CW (Crown width): m.