Figure 4

Location of the 51 survey areas in Alentejo, Portugal, and open habitats in the region (open farmlands and permanent pastures, based on the official land cover maps of mainland Portugal for 2007 and 201575, publicly available on-line at https://mapas.dgterritorio.pt/geoportal/catalogo.html). Map created using the Free and Open Source QGIS 2.14.2088 by A.T.M.