PRODUCTIVITY OF PINE FORESTS IN RAISED BOGS WITHIN THE INFLUENCE OF DRAINAGE SYSTEMS

UDC 630*1;631.6;630*116

 

Komar Artur Yur’yevich – researcher, the Sector of Monitoring of Plant World. V. F. Kuprevich Institute of Experimental Botany of the National Academy of Sciences of Belarus (27, Akademicheskaya str., 220072, Minsk, Republic of Belarus). E-mail: artur.komar@tut.by

Yermokhin Maxim Valer’yevich ‒ PhD (Bioljgy). PA “Botanical Society” (27, Akademicheskaya str., 220072, Minsk, Republic of Belarus). E-mail: maxim.yermokhin@gmail.com

Sudnik Aliaksandr Uladzimiravich ‒ PhD (Biology), Head of the Laboratory. V. F. Kuprevich Institute of Experimental Botany of the National Academy of Sciences of Belarus (27, Akademicheskaya str., 220072, Minsk, Republic of Belarus). E-mail: asudnik@tut.by

 

DOI: https://doi.org/10.52065/2519-402Х-2024-282-1.

 

Key words: forest drainage, productivity, bonitet, radial growth, Pinetum ledosum, succession, landscape reserve “Naliboksky”.

For citation: A. Yu., Yermokhin M. V., Sudnik A. U. Productivity of pine forests in raised bogs within the influence of drainage systems. Proceedings of BSTU, issue 1, Forestry. Nature Management. Processing of Renewable Resources, 2024, no. 2 (282), pp. 5–12 (In Belarusian).

Abstract

Drainage can enhance forest productivity, but draining raised bogs forests for forestry is both illogical and detrimental. This practice is economically unviable, a point highlighted by the author throughout the20th century. The untouched pine forests in raised bogs are vital for biodiversity, which is diminished by drainage. According to modified scale of fire danger assessment criteria for Belarusian forest types and areas, drained pine forests fall into the highest fire danger class. Pine forests in raised bogs show minimal response to drainage. Pine forests in raised bogs respond to drainage to a minor extent. According to the phytocenological and tree-ring analysis on 16 test plots, it was revealed that only in rare cases the bonitet class of pine stands in raised bogs increases from Va–Vb to III after drainage. In this case, they are described as Pinetum myrtillosum type in a forest inventory data. Most often, the bonitet class is increased to the IV. There are cases when drainage did not have an effect on pine forests and the bonitet class remains Va–Vb. This is typical for sites with an inaccurately designed drainage network, or an insufficient intensity of drainage. Thus, the drainage of raised bogs has absolutely no economic and forestry effect. The inconsistency of forest inventory data and phytocenetic structure of drained pine forests must be taken into account when inventory them and such forests should be marked as drained forest type.

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15.03.2024