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Posouzení druhové čistoty vybraných porostů uznaných za zdroj selektovaného reprodukčního materiálu v přírodní lesní oblasti 17 Polabí
Matějka, Ondřej
The thesis aims on the assesment of species purity of registered stands for procurement of forest reproductive material of category selected in natural forest region 17 Polabí. The species identity was studied on the sets of leafs collected from 2 x 30 sample trees (10 leafs collected per tree) along two independent transects. Leaf sets were ascribed either to pedunculate oak or sessile oak by means of the discimination function derived from the most typical leaf samples. Proportions of either oak species were determined by means of this function in the model registered stand. Along with the information about proportions of closely related oaks in the model stand, an amendment of common sampling design was proposed, and appropriate seed harvesting and handling in registered stands composed of closely related oak species is discussed.

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