Correction to: Scientific Reports https://doi.org/10.1038/s41598-019-46683-x, published online 25 July 2019

In the original HTML version of this Article, Christina Mengel and Katrin Heer were incorrectly affiliated with ‘Nordwestdeutsche Forstliche Versuchsanstalt, Göttingen, Germany’. Their correct affiliation is listed below:

‘Naturschutzbiologie, Philipps-Universität, Marburg, Germany’

This error has now been corrected in the HTML version of the Article, and in the accompanying Supplementary Information file; the PDF was correct at the time of publication.