Fig. 1 Mortality rate of oak (Quercus petraea ) and beech
(Fagus sylvatica ) saplings at the end of a recovery growing
season following a growing season with 4 drought duration treatment (D0
= watering weekly, D1 = watering biweekly, D2 = watering monthly, and D3
= watering bimonthly) combined with N-fertilization (1.68 g N
kg-1 dry soil fertilized vs. unfertilized).