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Spontaneous regeneration in the hurricane−disturbed stand in the Pisz Forest District (N Poland) was registered in the years 2007−2008 and 2011−2012. Breast height diameter and crown size were measured on 10×10 m plots. The analysis also included the soil respiration rate, the decomposition rate of organic matter, soil pH, leaf area index (LAI), content of Mg, Ca, C, N and P in soil, and vegetation...
The paper presents determination of the rotation age in Scots pine stands of 1st site index class on the example of Pisz Forest District (northern Poland). The development of quantitative and qualitative changes in the structure of 10 stands, forming a homologous series ranged between 40 and 130 years was the basis for determining their rotation age. Stand maturity for cutting was determined taking...
In spite of the growing importance of the protective and social functions of forests, their productive function, including production of raw wood with a diversified assortment structure, is still prominent. Changes in the assortment structure depend to a large extent on tree species, habitat conditions and intensity of tending treatments. However, for the temporal organization of forest management,...
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