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Figure 2 | BMC Evolutionary Biology

Figure 2

From: Sexual selection on cuticular hydrocarbons in the Australian field cricket, Teleogryllus oceanicus

Figure 2

The fitness surface of the two major canonical axes m 1 and m 6 of the courtship duration attractiveness measure. The two axes represent the eigenvectors with both the strongest nonlinear selection (highest eigenvalues) and the strongest positive (m1) and negative (m6) eigenvalues. The surface is shaded in colours where red corresponds to the greatest and green the lowest values on the z axis.

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