Current state and longevity forecast of oak trees in the Gornensky State Nature Reserve
DOI:
https://doi.org/10.25726/worldjournals.pro/WEJ.2020.1.1Keywords:
Pedunculate oak, Quercus robur, mixed stands, oak-maple stands, growing of forest crops, productivity of stands, stability of stands, formation of stands, longevity forecastAbstract
The Gornensky State Nature Reserve, situated in the central part of the Rostov Region, is a protected natural area of regional significance. The reserve contains unique objects, represented by artificially created forest stands of pedunculate oak (Quercus roburL.). In the modern forestry of the Chernozem zone, pedunculate oak continues to take a leading position in terms of its economic value. Much attention is paid to productivity when growing forests. Plantings that are resistant to diseases, pests, and adverse natural phenomena are always productive and have a large stock of wood per unit area.
The dieback of oak forests has become an urgent problem in recent years. The main factors of these processes are damage by pests and infectious diseases. Timely improvement felling of oak trees helps to increase the stability of the stands.
The authors analyzed plantings of petiolate oak formed with the participation of the main accompanying species – Norway maple. Two variants of forest oak plantations in the conditions of a dry oak forest (D1) were studied, and forestry and taxation indicators were determined for different age periods. It is noted that in the absence of planned improvement felling in the periods from 25 to 40 and from 35 to 50 years, there is a drop in the yield class from 1 to 2. Along with this, the dieback of trees is noted, which results in the grassing-down of the soil surface and, accordingly, changes in the growing conditions.
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