In this Bachelor Thesis we studied the spatial distribution and the condition of the common walnut plantations in the Tolmin forest management area. We were interested in the number of plantations, their origin and condition, as well as the common walnut’s natural regeneration in the plantations and their surroundings. We measured and estimated several parameters of 185 trees in 7 plantations. The results showed that we were mostly dealing with mature and vital trees with relatively good trunk quality. When we studied the natural regeneration of the trees, adequate results were found in Bodrež and Stomaž. Especially the area in Stomaž seems to be very interesting regarding the natural regeneration and the possibility of future research, as young trees are found even hundreds of meters away from plantations. What is also interesting is the large number of young walnut trees in the clearings, where this species successfully competes with other species if given enough light. We suggest special attention and care for common walnut trees in the areas where it regenerates naturally. More work and funds should be invested to achieve a bigger proportion of a high-quality walnut wood in the woods.
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