Abstract
Sessile oak (Quercus petraea (Matt.) Liebl.) is the most important Quercus species in Romania, covering over 700000 ha. It is located in the hill and low mountain ranges, and forms either pure or mixed stands with other broadleaved tree species such as European beech (Fagus sylvatica L.), common ash (Fraxinus excelsior L.), sycamore (Acer pseudoplatanus L.), linden (Tilia sp.), hornbeam (Carpinus betulus L.), etc. Sessile oak in Romania is established by natural seeding following a mixed uniformgroup shelterwood system as well as by manual seeding or planting (1.5 x 1.0 m or 2.0 x 1.0 m). After the regeneration phase, lasting usually for 15-20 years, pure or mixed sessile oak stands are successively tended through a series of release cutting, cleaningrespacing, and thinning, that halt at the age of 70-80 years (sawtimber as target wood assortment) or 100-120 years (stands for veneer wood production). The rotation age of sessile oak-dominated stands depends on the two wood assortments and varies between 120-140 years (sawtimber production) and 160-200 years (veneer production).
Published Version
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