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The perception of forests has changed in recent years. The non−wood services of forests gain more and more importance. Society pays more attention to the protective and social aspects of forestry. Hence, there is the need for their valuation. The aim of the research was to determine the economic value of the tourist function of the ‘Nad Tanwią’ nature reserve (south−eastern Poland) using a contingent...
The aim of the study was to present two issues concerning forests in the Sudety Mts. (SW Poland): 1) the process of tree mortality in individual years in the period between 2002 and 2018, as well as 2) the analysis of the radial growth of the main tree species (i.e. spruce, larch, beech, fir and Douglas fir). The intensity of the process of tree mortality is evidenced by the volume of wind−broken...
The research was carried out in the economic and natural Forest Reserve ‘Yertys Ormany’ in Pavlodarsk Oblast (Kazakhstan) in 2018. In the middle of May, two barrier traps of the ‘Netocia’ type (30, in total) were installed on each research plot damaged by wind, fire and great pine web – spinning pine sawfly – Acantholyda posticalis Mats. Insects were caught every month, from mid−June to mid−August...
he paper aims at assessing the impact of meteorological conditions on the start of the growing season (SOS) over forests in north−eastern Poland. The main objective was to study which, and if so to what extent, the meteorological parameters can describe the changes of the onset of vegetation in broadleaved forests. Study area encompasses forest complexes located in north−eastern Poland, which are...
Forests covered by various forms of nature protection are a popular resting place for the society. The choice of a certain place for the leisure depends not the attractiveness of the area, but also on its availability, the condition of the infrastructure, and on the preferences of tourists. The aim of the research was to determine the significance of the ‘Nad Tanwią’ nature reserve (‘NT’ NR) for tourism...
Phytophthora pathogens cannot be controlled with well−known fungicides, because as oomycetes they do not synthesize chitin and ergosterol. Phytopathogenic microorganisms of Phytophthora genus offers an alternative to pesticides. The aim of the study was to understand the interactions among the host silver birch (Betula pendula), a common forest tree species in Polish lowlands and in lower mountain...
Vertical distribution of species richness of various groups of organisms within trees is still insufficiently understood. The reason for this are, among others, the difficulties in accessing standing trees. The aim of the study was to determine the differentiation of species richness of fungi, lichens and lichenicolous fungi and bryophyte of three tree species (oak, birch and pine) within windthrow...
Seedlings produced with a covered root system were intended to be used in the afforestation of ‘difficult’ soils in post−agricultural lands, on post−fire areas, in wastelands, within zones of industrial damage or on mining heaps. It is assumed that the suitable substrate and properly grown seedling ensure a good start for a plant in a new, unfavorable environment. In many forest districts so−called...
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