Condition and viability of oak in the Forest-Steppe of Ukraine
Journal Title: Лісівництво і агролісомеліорація - Year 2014, Vol 125, Issue
Abstract
Condition and viability of the natural mature and old growth oak stands of different origin are investigated in forest genetic reserves of fresh hornbeam and maple-lime oakeries in the western, northern and eastern parts of Forest-Steppe of Ukraine (Ternopil, Sumy and Kharkov regions). Dynamics of distribution of different phenological forms of oak is analyzed by categories of sanitary condition. The Early phenological form of oak is under influence of complex of unfavorable factors. It shows up in a greater part the weak and recently died trees in composition. However, the trees of the early phenological form are able to recover the height, going across from the category of weakened trees to the higher category of viability. In optimal forest site conditions, the oakeries of seed origin have rather high stability as compared to coppices
Authors and Affiliations
V. Tkach, N. Kuprina
Keywords
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