Funding for this research was provided by:
LIFE programme (LIFE13 NAT/PT/001300)
Received: 21 December 2019
Accepted: 22 June 2020
First Online: 26 June 2020
Ethics approval and consent to participate
: The experiments comply with the current laws of Portugal. RS had a permit for conducting the fieldwork from the Portuguese authorities.
: Not applicable.
: The authors declare that they have no competing interests. The funders had no role in study design, data collection or analysis, decision to publish, or preparation of the manuscript. And none of the authors was hired or contracted by EDP or any other Portuguese power company.