Table 1.

Generalized dissimilarity modeling results for genetic variation using amplified fragment length polymorphism markers

	Ecuador	W Andes	E Andes
Full model	95.2	98.5	72.2
Significantly contributing variables in full model*	2,7,5,6,9,12,15,16,18	1,4,5,6,7,8,16,18	1,5,6,9,11,12,14,16,17
Using contemporary environment	90.5	98.4	71.5
Using geographic distance	0	50.8	8.8
Using Andean barrier	93.2	–	–
Using random variables	9.1	19.4	28.0

Shown are percentages of total variation explained by models for the entire study region and the regions west and east of the Andes.

^*1 geographic distance; 2 Andean barrier; 3 elevation (SRTM); 4 elevation std (SRTMstd); 5 QSCATMean; 6 QSCATStd; 7 Treecover; 8 LAImax; 9 LAIrange; 10 Bio1; 11 Bio2; 12 Bio4; 13 Bio5; 14 Bio6; 15 Bio12; 16 Bio15; 17 Bio16; 18 Bio17; see Fig. S4 for the relative importance of each variable in the models.