Table 4. Effects of male flowering intensity (treated as a two-level factor in (a), or as a four-level factor in (b)), local density, and tree circumference (quadratic effect) on the individual selfing rate (arc.sine(sqrt) transformed).

	Num d.f.	Den d.f.	F	P-value
(a)
Male flowering (0/+)	1	16	5.53	0.0318	*
Local density	1	16	0.61	0.4480	NS
Circumference (quadratic)	2	16	1.68	0.2175	NS
(b)
Male flowering (0–3)	4	13	1.26	0.3326	NS
Local density	1	13	0.29	0.5995	NS
Circumference (quadratic)	2	13	0.91	0.4263	NS

^*P<0.05.