<abstract xmlns="http://www.w3.org/1999/xhtml"><p>This study is focused on the research of selected <italic>Pinus</italic> species exposed to high ozone concentrations in the mountain environment. We noticed different values of modelled ozone doses (MOD) up-taken by Mountain pine (<italic>Pinus mugo</italic> Turra) in the High Tatra Mts (SK–HTMts) and Swiss stone pine (<italic>Pinus cembra</italic> L.) in the Alpes-Mercantour (FR–AlpMar) during the growing season 2019. The MOD values were obtained by multiplicative DO3SE model, while we also tested a new approach based on modification of input ozone data. The MOD values were obtained by multiplicative DO3SE model, while we also tested a new approach based on modification of input ozone data. Testing has shown that ozone input based on passive sampling may be used in MOD modelling for sites situated in the subalpine zone where the operation of active monitors is limited.. Presented results confirmed the assumption regarding stomatal ozone flux reduction due to the occurrence of soil drought in hot and dry summer weather typical for the Mediterranean climate region. Despite the limitation of stomatal flux, foliar ozone specific injury on two years needles of <italic>P. cembra</italic> was substantially higher in comparison to the incidence of ozone injury symptoms observed on two years needles of <italic>P. mugo</italic> in SK–HTMts. It may suggest low phytotoxicity of given MOD or efficient resistance of <italic>P. mugo</italic> against oxidative stress. In addition, the visible injury index (VINX) covering the broad effect of biotic and abiotic harmful agents was appraised on <italic>P. mugo</italic>. Percentage of affected surface indicated moderate deterioration of needle injury at the end of the growing season, particularly due to traces of mechanical damage.</p></abstract>

This study is focused on the research of selected Pinus species exposed to high ozone concentrations in the mountain environment. We noticed different values of modelled ozone doses (MOD) up-taken by Mountain pine (Pinus mugo Turra) in the High Tatra Mts (SK–HTMts) and Swiss stone pine (Pinus cembra L.) in the Alpes-Mercantour (FR–AlpMar) during the growing season 2019. The MOD values were obtained by multiplicative DO3SE model, while we also tested a new approach based on modification of input ozone data. The MOD values were obtained by multiplicative DO3SE model, while we also tested a new approach based on modification of input ozone data. Testing has shown that ozone input based on passive sampling may be used in MOD modelling for sites situated in the subalpine zone where the operation of active monitors is limited.. Presented results confirmed the assumption regarding stomatal ozone flux reduction due to the occurrence of soil drought in hot and dry summer weather typical for the Mediterranean climate region. Despite the limitation of stomatal flux, foliar ozone specific injury on two years needles of P. cembra was substantially higher in comparison to the incidence of ozone injury symptoms observed on two years needles of P. mugo in SK–HTMts. It may suggest low phytotoxicity of given MOD or efficient resistance of P. mugo against oxidative stress. In addition, the visible injury index (VINX) covering the broad effect of biotic and abiotic harmful agents was appraised on P. mugo. Percentage of affected surface indicated moderate deterioration of needle injury at the end of the growing season, particularly due to traces of mechanical damage.

The response of <italic>Pinus</italic> species to ozone uptake in different climate regions of Europe

Earth Science Institute of the Slovak Academy of Sciences

Department of Plant Pathology and Mycology

National Forest Centre - Forest Research Institute Zvolen

Central European Forestry Journal

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

The response of  species to ozone uptake in different climate regions of Europe

This study is focused on the research of selected Pinus species exposed to high ozone concentrations in the mountain environment. We noticed different values...

The response of Pinus species to ozone uptake in different climate regions of Europe

Online veröffentlicht: 02. Dez. 2020

Seitenbereich: 255 - 268

DOI: https://doi.org/10.2478/forj-2020-0022

Schlüsselwörter
Modelled Ozone Dose (MOD), Visible Injury Index (VINX), passive O sampling, soil humidity, mountain environment

© 2020 Svetlana Bičárová et al., published by Sciendo

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

The response of Pinus species to ozone uptake in different climate regions of Europe

Online veröffentlicht: 02. Dez. 2020

Seitenbereich: 255 - 268

DOI: https://doi.org/10.2478/forj-2020-0022

SchlüsselwörterModelled Ozone Dose (MOD), Visible Injury Index (VINX), passive O sampling, soil humidity, mountain environment

© 2020 Svetlana Bičárová et al., published by Sciendo

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

Schlüsselwörter
Modelled Ozone Dose (MOD), Visible Injury Index (VINX), passive O sampling, soil humidity, mountain environment