V.N.Sukachev Institute of Forest
Author list of organization
List of articles written by the authors of the organization
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ANALYSIS OF TREE HIGHT GROWTH CURVE DEVIATION OF SCOTS PINE IN MINUSINSK PINE WOODS
DescriptionA deviation from tree height growth trends of Scots pine is analyzed. They have a periodicity and vary both by the amplitude and period. At average the value of period is 40-50 years and has a significant variabil-ity. It depends on longevity of tree life and age classes. The deviation depends on relation between the trees in stand. An abiotic factors effect increases and comes to the fore under constant of actual adverse environment conditions for growing
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DYNAMICS OF MOUNTAIN FOREST IN RESERVE AREA (“STOLBY” RESERVATION)
DescriptionAccounting stands (1959, 1977, 2007) revealed reduction of areas dominated by deciduous species and larch in the State Nature Reserve "Stolby". Area stands of fir and pine increased. Area stands of cedar and spruce didn’t change over the last 50 years. Deciduous stands differs rapid accumulation of stock, but they have productivity lower then conifers. There is a shift in even-aged stands to multiple-aged stands in coniferous formations. They are close to a climax state. Cedars grow on the type of the even-aged stands, because they appeared in the area recently
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Description
This article speaks about the impact on the soil by the logging machines is the compaction, deformation, mineralization of the soil, changing its structure, biological, water-physical and chemical properties. The negative impact of machinery on soils depends on the construction and systems of machines, technologies of timber harvesting, climate, forest, and other factors. This work considers a comprehensive assessment of the impact of the process of logging on the environment and proposes measures to reduce the anthropogenic impact on soil, water bodies. We have determined the annual volume of emissions to the atmosphere from combustion engines of logging equipment, characteristics of gross emissions of pollutants into the atmosphere after cleaning of the neutralizer gas; we have also determined the amount of pollutants by vehicles in the transportation of wood total in the process of clear cutting