Appendix S1: Results of the Structure analysis. Ln(Pr) calculated using the Structure software (white dots) that K is the correct number of populations. The ad-hoc statistic (black cubes) ∆K based on the rate of change in the log probability of data between successive K values (Evanno et al. 2005), is not applicable for K=1, and from the equation given in the methods section it is obvious that it cannot be calculated for the highest K number either (because data for K=1 are needed); we further ignore the high value obtained for K=2 as suggested by ΔK Hausdorf and Hennig (2010). Appendix S2: Analyses of molecular variance (AMOVA) to detect genetic differentiation between the two species, and and the differentiation Zosterops poliogaster Z. abyssinicus, within (mountain massifs). Variance values in top line with respective Z. poliogaster F statistic values (in parenthesis below). Abbreviations: *: p < 0.05; **: p < 0.01; ***: p < 0.001. Respective is given Table 3. R-statistics Among groups Among populations Within Group or species (FCT) within groups (FSC) individuals All all 0.2440 0.8066 Z. abyssinicus vs Z. 1.7004 (0.0815*) (0.2933***) poliogaster 0.4493 0.3524 Z. poliogaster 1.6833 (according K = 4) (0.1589***) (0.1482***) 1.0142 0.0945 Z. poliogaster 1.4255 five mountain areas (0.36595***) (0.0538***)
Appendix S1: Results of the Structure analysis. Ln(Pr) calculated using the Structure software (white dots) that K is the correct number of populations. The ad-hoc statistic ∆K (black cubes) based on the rate of change in the log probability of data between successive K values (Evanno et al. 2005), is not applicable for K=1, and from the equation given in the methods section it is obvious that it cannot be calculated for the highest K number either (because data for K=1 are needed); we further ignore the high ΔK value obtained for K=2 as suggested by Hausdorf and Hennig (2010). Appendix S2: Analyses of molecular variance (AMOVA) to detect genetic differentiation between the two species, Zosterops poliogaster and Z. abyssinicus, and the differentiation within Z. poliogaster (mountain massifs). Variance values in top line with respective F statistic values (in parenthesis below). Abbreviations: *: p < 0.05; **: p < 0.01; ***: p < 0.001. Respective R-statistics is given Table 3. Group Among groups or species (FCT) Among populations within groups (FSC) Within individuals All Z. abyssinicus vs all Z. poliogaster 0.2440 (0.0815*) 0.8066 (0.2933***) 1.7004 Z. poliogaster (according K = 4) 0.4493 (0.1589***) 0.3524 (0.1482***) 1.6833 Z. poliogaster five mountain areas 1.0142 (0.36595***) 0.0945 (0.0538***) 1.4255
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