<abstract xmlns="http://www.w3.org/1999/xhtml">The aim of our study was to compare the growth rates of lodgepole pine (<italic>Pinus contorta</italic> Dougl.) with those of Scots pine (<italic>Pinus sylvestris</italic> L.) and Norway spruce (<italic>Picea abies</italic> L.) in plantations. The experimental plots were established in 1988, 1989 and 1994 in the southern part of the Leningrad region. In 2014, the condition of the plants on those plots was examined and their linear parameters were measured. The comparison of Scots pine with lodgepole pine of the same age growing in similar soil conditions has shown that Scots pine has only an insignificant advantage over lodgepole pine in the growth rate. In the mixes of Norway spruce and lodgepole pine, Norway spruce considerably suppresses the growth of lodgepole pine.Lodgepole pine has successfully adapted to the climatic conditions of the Leningrad region of Russia, which is easy to see from the well-preserved plantations and their annual bearing. No significant damage because of either diseases or insect pests has been revealed.It is for the first time that the volume yield of lodgepole pine was determined in 20-to 26-year-old experimental plantations in the Leningrad region of Russia.</abstract>

The aim of our study was to compare the growth rates of lodgepole pine (Pinus contorta Dougl.) with those of Scots pine (Pinus sylvestris L.) and Norway spruce (Picea abies L.) in plantations. The experimental plots were established in 1988, 1989 and 1994 in the southern part of the Leningrad region. In 2014, the condition of the plants on those plots was examined and their linear parameters were measured. The comparison of Scots pine with lodgepole pine of the same age growing in similar soil conditions has shown that Scots pine has only an insignificant advantage over lodgepole pine in the growth rate. In the mixes of Norway spruce and lodgepole pine, Norway spruce considerably suppresses the growth of lodgepole pine.Lodgepole pine has successfully adapted to the climatic conditions of the Leningrad region of Russia, which is easy to see from the well-preserved plantations and their annual bearing. No significant damage because of either diseases or insect pests has been revealed.It is for the first time that the volume yield of lodgepole pine was determined in 20-to 26-year-old experimental plantations in the Leningrad region of Russia.

Estimating the growth of 20-to 26-year-old lodgepole pine plantations in the Leningrad region of Russia

Saint-Petersburg State Forest Technical University

Saint-Petersburg Forestry Research Institute

Folia Forestalia Polonica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The aim of our study was to compare the growth rates of lodgepole pine (Pinus contorta Dougl.) with those of Scots pine (Pinus sylvestris L.) and Norway spruce...

Estimating the growth of 20-to 26-year-old lodgepole pine plantations in the Leningrad region of Russia

Published Online: May 04, 2019

Page range: 58 - 63

Received: Oct 22, 2018

Accepted: Dec 10, 2018

DOI: https://doi.org/10.2478/ffp-2019-0006

Keywords
introduction, lodgepole pine, forest plantations, growth, standing crop

© 2019 Anatoly V. Zhigunov et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Estimating the growth of 20-to 26-year-old lodgepole pine plantations in the Leningrad region of Russia

Published Online: May 04, 2019

Page range: 58 - 63

Received: Oct 22, 2018

Accepted: Dec 10, 2018

DOI: https://doi.org/10.2478/ffp-2019-0006

Keywordsintroduction, lodgepole pine, forest plantations, growth, standing crop

© 2019 Anatoly V. Zhigunov et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
introduction, lodgepole pine, forest plantations, growth, standing crop