**Author details**

Rui Alexandre Castanho1,2,3,4\*, Sérgio Lousada<sup>5</sup> , José Manuel Naranjo Gómez4,6, Patrícia Escórcio<sup>5</sup> , José Cabezas3,4, Luis Fernández-Pozo<sup>3</sup> and Luís Loures4,7,8

\*Address all correspondence to: alexdiazbrown@gmail.com

1 Faculty of Applied Sciences, University of Dąbrowa Górnicza, Dąbrowa Górnicza, Poland

2 ICAAM—Institute for Agrarian and Environmental Sciences, Évora, Portugal

3 Environmental Resources Analysis Research Group (ARAM), University of Extremadura, Badajoz, Spain

4 VALORIZA—Research Centre for Endogenous Resource Valorization, Portalegre, Portugal

5 Faculty of Exact Sciences and Engineering (FCEE), Department of Civil Engineering and Geology (DECG), University of Madeira (UMa), Funchal, Portugal

6 Polytechnic School, University of Extremadura, Caceres, Spain

7 Polytechnic Institute of Portalegre (IPP), Portalegre, Portugal

8 Research Centre for Tourism, Sustainability and Well-being (CinTurs), University of Algarve, Faro, Portugal
