Correction to: Scientific Reports https://doi.org/10.1038/s41598-019-48060-0, published online 08 August 2019

In Figure 1, the plots of ‘Asendorf 2015’, ‘Asendorf 2016’ and ‘Triesdorf 2016’ have incorrect Y-axis scale measurements. The correct Figure 1 appears below.

Figure 1
figure 1

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