Teemu’s thesis is “Tree water transport mediating the changing environmental conditions to tree physiological processes”. The opponent is Professor Jordi Martinez-Vilalta, Autonomous University of Barcelona, Spain. The custos is Professor Teemu Hölttä. The opponent will participate remotely via Zoom. The defense can be followed via Zoom using the following link: https://helsinki.zoom.us/j/66942183116?pwd=NmdJTjVFOUhMTm5rSkU2S2VUK2FDdz09 Meeting ID: 66 942 183 116 and Password: 997799.