Influence of low fire on condition of pine plants
Fires have caused significant damage since ancient times, and over time the area and damage has increased. Pine plantations in the southern and eastern regions of Ukraine are particularly affected by this natural phenomenon. The damage caused by the fire interrupts the course of natural successions and prolongs the period of climax. In order to assess the impact of persistent grassroots fire on the complex of forestry and taxation indices of plantations, the taxation structure of pine plantations and the impact on phytocenoses, a methodical analysis of plantations in the Skripayivsky forestry of the state enterprise «Skripayevsky Educational Research Forestry» was made. The data of forest fires over the last 30 years have been analyzed and the reconnaissance works have been carried out, the characteristic test areas have been selected and monitored over the three years. As a result of the work, the relationship between the height of the slope and the intensity of drying was observed. It has been observed that the mass drying of trees does not occur in the first year, but within three years. Also noted was a certain category of trees that appeared to be more resistant to the negative effects of fire, characterized by the following characteristics: thick, dense, high raised bark, well cleared of branches of tree trunks, diameter above average, high raised crown. This factor should be taken into account when creating forest crops (use quality planting material and the introduction of deciduous trees), carrying out further planting care (timely care of forest crops and the required intensity) and carrying out fire prevention measures (raising crowns, mineralization and mineralization breaks). Based on these observations, it is possible to predict the state of planting after a fire, depending on the intensity of the fire (altitude and the degree of burning of the litter) and take into account when conducting forestry activities.
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