Model settings (evaluation metrics) for AIC_<i>c</i>-selected MaxEnt model predictions.

<p>Model settings (evaluation metrics) for AIC_<i>c</i>-selected MaxEnt model predictions.</p

Within-group genetic variability in walnut.

<p>Within-group genetic variability in walnut.</p

Genetic relationships among walnut genotypes.

<p>(A) Neighbor-joining cluster analysis using pair-wise Nei and Li distance matrix. (B) Principal components analysis using multilocus microsatellite genotype data.</p

Inverse distance weighted (IDW) interpolation of allelic diversity estimates in walnut.

<p>(A) allelic richness, (B) private allelic richness, and (C) expected levels of heterozygosity among walnut geographic groups.</p

Ecological niche modeling of walnut distributions.

<p>AIC_c-selected model prediction of occurrence of walnut for current, last glacial maximum (LGM; 21–18 kyr BP), and last interglacial (LIG; 130–107 kyr BP) climatic conditions for the data set filtered at 10 km with 137 occurrence points (refer to <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0185974#pone.0185974.t006" target="_blank">Table 6</a> for feature class and regularization multiplier settings).</p

Locus-wise genetic variability in walnut germplasm.

<p>Locus-wise genetic variability in walnut germplasm.</p

Population structure inferred from a model based Bayesian cluster analysis.

<p>(A) Posterior probabilities (Ln Pr <i>X</i>|<i>K</i>) averaged over 20 replicate runs, (B) The <i>ad hoc</i> statistic delta <i>K</i> related to the second order rate of change of log probability of data between successive values of <i>K</i> with a distinct peak at <i>K</i> = 5 with some minor peaks at <i>K</i> = 9, 13, and 16, and (C) Bayesian Inferred population structure of walnut for <i>K</i> = 5 groups.</p

Genetic differentiation among geographic groups in walnut.

<p>Genetic differentiation among geographic groups in walnut.</p

Pair-wise <i>F</i>_<i>ST</i> values showing genetic differentiation among geographic groups in walnut.

<p>Pair-wise <i>F</i>_<i>ST</i> values showing genetic differentiation among geographic groups in walnut.</p