Adaptation of scots pine (Pinus sylvestris) to modern environmental realities in the Belarusian Polesie

  • Katsiaryna V. Matsiusheuskaya Belarusian State University
  • Victar N. Kisialiou Belarusian State University
  • Alaksey Ya. Jarotau Belarusian State University

Abstract

The results of a study of the current state of pine (Pinus sylvestris) in the Belarusian Polesie after the completion of reclamation development of swamps and wetlands for agricultural purposes are shown. The problem of its adaptation to the changed hydrogeological realities of a semihydromorphic sand edaphotope in changing climatic conditions has become particularly acute. The maximum, average and minimum tree-ring growth of modern generations of pine in the Belarusian Polesie was used to identify its adaptive abilities. It is proved that the adaptation of pine trees to changing climatic conditions after the completion of drainage reclamation resulted in a decrease in tree-ring growth in the second half of the twentieth century and in the beginning of the twenty-first century. It was found that sensitive to the variability of the conditions of humidification of the semihydromorphic edaphotope, both by atmospheric precipitation and ground water, blueberry pine forest demonstrates greater adaptive adaptability to the changed soil-ground water factor after drainage reclamation in dynamic climatic conditions in the Belarusian Polesie. It was found that the potential for stem mass growth  (maximum, average and minimum tree-ring growth) of blueberry pine forest trees is reduced by 1.5 times when the ground water is lowered to 1.6-2.0 m from the initial level of 0.35-0.5 m. It is noted that the May ground water level of 0.6 m is optimal for the stand, although its suppression is not excluded during heavy precipitation.

Author Biographies

Katsiaryna V. Matsiusheuskaya, Belarusian State University

PhD (geography), docent; head of the department of physical geography of the world and educational technologies

Victar N. Kisialiou, Belarusian State University

doctor of science (geography), full professor; scientific consultant of the Department of physical geography of the world and educational technologies

Alaksey Ya. Jarotau, Belarusian State University

PhD (geography), docent; associate professor at the department of physical geography of the world and educational technologies

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Published
2021-01-13
Keywords: Belarusian Polesie, pine, adaptation, climate, land reclamation, tree-ring growth
How to Cite
Matsiusheuskaya, K. V., Kisialiou, V. N., & Jarotau, A. Y. (2021). Adaptation of scots pine (Pinus sylvestris) to modern environmental realities in the Belarusian Polesie. Journal of the Belarusian State University. Ecology, 4, 10-18. Retrieved from https://journals.bsu.by/index.php/ecology/article/view/3639
Section
The Study and Rehabilitation of Ecosystems