1. Institute of Olive Tree, Subtropical Crops and Viticulture (ELGO-DIMITRA), Leoforos Karamanli 167, GR-73100 Chania, Greece
2. Mediterranean Agronomic Institute of Chania (CIHEAM), Agrokipio, GR-73100 Chania, Greece
3. SEO/BirdLife, GEOLIT, Parque Científico y Tecnológico, Manzana 11, C/Sierra Morena, Complejo Tecnológico de Servicios Avanzados, Primera Planta, Local 1.1, 23620 Mengíbar, Jaén, Spain
4. Dipartimento delle Culture Europee e del Mediterraneo: Architettura, Ambiente, Patrimoni Culturali, Università degli Studi della Basilicata, 85100 Potenza, Italy
5. Department of Agriculture (AGRARIA), Mediterranean University of Reggio Calabria, Feo di Vito, 89122 Reggio Calabria, Italy