Abstract
This paper investigated wood structure formation of pure pine stands (Pinus sylvestris L.) depending on meteorological indicators. Influence of average temperature and sum of precipitation on wood structure at the level of annual growth and at the level of xylem cellular structure is presented. Three series of experimental objects in the boreal zone of the European part of Russia was observed: naturally formed mature stands, plots passed by thinning, plots passed by thinning with the fertilizers application. It is shown that fluctuations of average temperature have a more significant role in the formation of the zone of early wood than late wood. Statistical analysis has determined that the effect of average temperature and precipitation factors on the formation of macrostructure elements of wood is higher in the naturally formed stands, than in the stands that have been treated. It was identified that thinning and application of fertilizers increase the role of meteorological factors influence on changes in the number of xylem cells in annual growth. At the same time, the size of xylem cells and the thickness of cell walls are in a more significant correlation with weather factors in stands unaffected by treating.
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Schedule a callMore From: IOP Conference Series: Earth and Environmental Science
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