Funding for this research was provided by:
Fondo de Investigación en Bosque Nativo (037/2011)
Received: 29 June 2017
Accepted: 19 April 2018
First Online: 24 April 2018
Ethics approval and consent to participate
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.