Hydraulic Lift in Cork Oak Trees in a Savannah-Type Mediterranean Ecosystem and its Contribution to the Local Water Balance - Cathy Kurz-Besson; Dennis Otieno; Raquel Lobo do Vale; Rolf Siegwolf; Markus Schmidt; Alastair Herd; Carla Nogueira; Teresa Soares David; Jorge Soares David; John Tenhunen; João Santos Pereira; Manuela Chaves (Plant and Soil, 2006)