Provenance variation and seed sourcing for sessile oak (Quercus petraea (Matt.) Liebl.) in France

Table 2 Variances due to random effects in the mixed models. Variances are expressed relative to the total variance of all random terms

Source of variation	aCIRC10-20	CIRC10	DEB3	HT4	HT10	SURV10	SHP10	SHP20
Set	0.005^a	0.144^a	0.029^a	0.148^a	0.140^a	0.367^a	0.000	0.10^a
Site	0.054^a	0.108^a	0.080^a	0.018^a	0.041^a	0.180^a	0.313^a	NE
Test	0.116^a	0.104^a	0.434^a	0.350^a	0.239^a	0.037^a	0.434^a	NE
Microblock	NE	NE	0.224^a	NE	NE	0.135^a	0.107^a	0.69^a
Plot	0.129^a	0.141^a	0.196^a	0.127^a	0.162^a	0.282^a	0.122^a	0.21^a
Prov*Test	0.002	0.014^a	0.038^a	0.008^a	0.013^a	NE	0.024^a	NE
Prov*site	0.007^a	0.001^a	NE	0.003^a	0.001^a	NE	NE	NE
Prov*Set	0.002	0.014^a	NE	0.014^a	0.009^a	NE	NE	0.000
Residual	0.684	0.474	NA	0.332	0.395	NA	NA	NA

NE: effects not introduced into the model (see text)
NA: residual variances were not available for discrete traits
^aSource of variation contributes significantly to the variance according to the AIC criterion (the inclusion of the source of variation in the model reduces by more than 2 units the value of AIC in comparison to the complete model)

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