Table 7.

Predictive abilities between observed and predicted values for 9 spatial and non-spatial models (M1, ⋯ , M9) and mixed datasets using the best locations given the AIC (Mix1) and the ρ -GP-CV per location-year combination (Mix2)

	M1	M2	M3	M4	M5	M6	M7	M8	M9	Mix1	Mix 2
WC	0.700	0.694	0.691	0.679	0.692	0.692	0.691	0.694	0.689	0.689	0.690
	a	ab	ab	c	ab	ab	ab	ab	abc	bc	abc
AC	0.395	0.398	0.390	0.395	0.391	0.389	0.389	0.395	0.391	0.391	0.390
	b	a	cd	de	c	e	de	b	c	c	cd

Same letters within rows indicate no significant differences (α=5%) according to a paired t-test. Sampling strategies were: Within crosses (WC) and across crosses (AC).