Comparison of Scots pine growth dynamics in Polissya and Steppe zone of Ukraine

Viktoriia Lovynska, Andriy Terentiev, Petro Lakyda, Svitlana Sytnyk, Olexander Bala and Yuriy Gritsan
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Viktoriia Lovynska: Department of Parks and Gardens, Faculty of Agronomy, Dnipro State Agrarian and Economic University, Dnipro, Ukraine
Andriy Terentiev: Education and Research Institute of Forestry and Landscape Park Management, National University of Life and Environmental Sciences of Ukraine, Kyiv, Ukraine
Petro Lakyda: Education and Research Institute of Forestry and Landscape Park Management, National University of Life and Environmental Sciences of Ukraine, Kyiv, Ukraine
Svitlana Sytnyk: Department of Parks and Gardens, Faculty of Agronomy, Dnipro State Agrarian and Economic University, Dnipro, Ukraine
Olexander Bala: Education and Research Institute of Forestry and Landscape Park Management, National University of Life and Environmental Sciences of Ukraine, Kyiv, Ukraine
Yuriy Gritsan: Department of Parks and Gardens, Faculty of Agronomy, Dnipro State Agrarian and Economic University, Dnipro, Ukraine

Journal of Forest Science, 2021, vol. 67, issue 11, 533-543

Abstract: The goal of the study was to compare the dynamic changes in individual biometric indices of Scots pine in different natural zones of Ukraine, Polissya and Steppe. Scots pine stands were mainly concentrated in the Polissya zone, and their area was 3.6 times larger than that of forests in the Steppe zone, and the total wood stock by 4.6 times. The regression equations for biometric indices of artificial modal stands were developed. A comparison of the average height, diameter, and wood stock for pine stands of site index Іа, I, and II growing in Polissya and Steppe was made. It was found that the average differences in the average height (from 1.9 to 2.6 m) are observed at the age of 15-20 years. For the average diameter, the difference increases with age and the growth of the site index. The difference in the average stock is constantly increasing with age. At the age of 20 years this difference is 20-30 m3, and at the age of 120 years from 100 to 120 m3 depending on the site index. The developed growth models can be used in planning and prioritizing appropriate forestry activities for pine stands growing in specific regional conditions.

Keywords: growth tables; Pinus sylvestris L.; biometric indices; natural zone of Ukraine (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnljfs:v:67:y:2021:i:11:id:93-2021-jfs

DOI: 10.17221/93/2021-JFS

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