Saveyn, An Drought and the diurnal patterns of stem CO2 efflux and xylem CO2 concentration in young oak (Quercus robur). [electronic resource] - Tree physiology Mar 2007 - 365-74 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0829-318X Standard No.: 10.1093/treephys/27.3.365 doi Subjects--Topical Terms: AlgorithmsCarbon Dioxide--metabolismCircadian RhythmDisastersPlant Stems--metabolismQuercus--metabolismTemperatureWater--metabolismXylem--metabolism