Z. Naturforsch. 54c, 8 1 2 -8 2 3 (1999); received December 1, 1998/March 2, 1999 Biomass, Carbohydrate. Drought Stress, Elevated C 0 2, Leaf Anatomy Young sessile oak (Quercus petraea) trees were exposed for one vegetation period in closed environmental chambers in a crossed factorial study on effects to varied C 0 2 concentrations, ozone concentrations and irrigation treatments. Elevated C 0 ...
