<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Oak (<italic>Quercus robur</italic> L.) forest stands are among the most common forest formations in the forest-steppe zone of Ukraine. Investigations of the patterns of distribution of trees by diameter and the dynamics of the commodity structure of mature oak stands of coppice origin were carried out based on the forest survey data from 28 temporary sample plots, on the sites designated for the final felling in the Left-Bank Forest Steppe of Ukraine (Sumy, Kharkiv, and Poltava Regions). We distributed trees by diameter classes and technical suitability categories. To establish the commodity structure of the stand, we selected model trees that corresponded to the average size of trees in terms of diameter classes and their qualitative characteristics. Then, we constructed a model tree stem profile using Institute of Forest Ecosystems Research (IFER)’s method of “6 points”. Based on stands’ structure and quality condition as well as on the growth tables, the commodity structure dynamics table for the changes in the commodity structure for the coppice oak stands in the Left-Bank Forest Steppe of Ukraine has been developed. The results of the analysis of wood stock dynamics showed that the maximum average increment of class A and B wood is 90–100 years. Therefore, the age of technical maturity and the associated age for the final felling in commercial oak forests of second site class and above should be assigned to 91–100 years.</p></abstract>

Oak (Quercus robur L.) forest stands are among the most common forest formations in the forest-steppe zone of Ukraine. Investigations of the patterns of distribution of trees by diameter and the dynamics of the commodity structure of mature oak stands of coppice origin were carried out based on the forest survey data from 28 temporary sample plots, on the sites designated for the final felling in the Left-Bank Forest Steppe of Ukraine (Sumy, Kharkiv, and Poltava Regions). We distributed trees by diameter classes and technical suitability categories. To establish the commodity structure of the stand, we selected model trees that corresponded to the average size of trees in terms of diameter classes and their qualitative characteristics. Then, we constructed a model tree stem profile using Institute of Forest Ecosystems Research (IFER)’s method of “6 points”. Based on stands’ structure and quality condition as well as on the growth tables, the commodity structure dynamics table for the changes in the commodity structure for the coppice oak stands in the Left-Bank Forest Steppe of Ukraine has been developed. The results of the analysis of wood stock dynamics showed that the maximum average increment of class A and B wood is 90–100 years. Therefore, the age of technical maturity and the associated age for the final felling in commercial oak forests of second site class and above should be assigned to 91–100 years.

Optimization of maturity age for coppice oak forests within Left-Bank Forest-Steppe in Ukraine

Central European Forestry Journal

This work is licensed under the Creative Commons Attribution 4.0 International License.

Oak (Quercus robur L.) forest stands are among the most common forest formations in the forest-steppe zone of Ukraine. Investigations of the patterns of...

Optimization of maturity age for coppice oak forests within Left-Bank Forest-Steppe in Ukraine

Published Online: Jun 24, 2021

Page range: 181 - 186

DOI: https://doi.org/10.2478/forj-2020-0026

Keywords
oak, industrial timber, coppice stand, commodity structure, marketability dynamics

© 2021 Victor Tkach et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Optimization of maturity age for coppice oak forests within Left-Bank Forest-Steppe in Ukraine

Published Online: Jun 24, 2021

Page range: 181 - 186

DOI: https://doi.org/10.2478/forj-2020-0026

Keywordsoak, industrial timber, coppice stand, commodity structure, marketability dynamics

© 2021 Victor Tkach et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Keywords
oak, industrial timber, coppice stand, commodity structure, marketability dynamics