Funding for this research was provided by:
Fondo Nacional de Desarrollo Científico y Tecnológico (1150517, 1130948)
Text and Data Mining valid from 2019-01-03
Received: 28 June 2018
Accepted: 29 November 2018
First Online: 3 January 2019
Ethics approval and consent to participate
: The study proposal was approved by Servicio Agrícola y Ganadero (SAG) (resolutions 8082; 1095; 3936; 2988), Corporación Nacional Forestal (CONAF) (resolutions 011; 002; 03; 019; XI-19-15) and the Bioethics Committee of the Universidad de Concepción (resolutions CE 03-2009; CER-18-2012), Chillán, Chile.
: Not applicable.
: The authors declare that they have no competing interests.
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