Decline of relict centennial cork oaks in Doñana (SW Spain) and potential deleterious effect of tree-nesting colonial waterbirds

2 paginas, 8 fotografias, 3 graficos. Panel presentado al II Symposium The oak: Ecology, History, Management and Planning. Suleyman Demirel University, Isparta, Turquia. 1-3 Junio, 2010. Abstract Book pp. 109-110.