Funding for this research was provided by:
Ministerio de Economía y Competitividad (AGL2016-75288-R AEI/FEDER, UE.)
Article History
Received: 12 April 2018
Accepted: 11 October 2018
First Online: 26 October 2018
Ethics approval and consent to participate
: Compliance with ethical standards. Field work was conducted in accordance with local legislation and with regulations and guidelines established by the University of A Coruña. No endangered or protected species were involved.
: Not applicable.
: The authors declare that they have no competing interests.
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