1Pyrenean Institute of Ecology (CSIC), Zaragoza, Spain
2EEAD-CSIC, Zaragoza, Spain
3Facultad Ciencias del Mar y Ambientales, Geología, Cadiz, Spain
4Estación Experimental del Zaidín, CSIC, Granada, Spain
5School of Sciences, University of A Coruña, Coruña, Spain
6Department of Vegetal Biology (Botanic Area), Faculty of Biology, Campus de Espinardo, University of Murcia, Murcia, Spain
7Institut für Geowissenschaften, Technische Universität Braunschweig, Braunschweig, Germany
8Cátedra de Medio Ambiente ENRESA, Campus Rabanales, Edificio Aulario Averroes, Córdoba University, Córdoba, Spain