The impact of climate elements on the diameter increment of Austrian pine (Pinus nigra Arn.) in Serbia

Ćirković-Mitrović, Tatjana; Popović, Vladan; Brašanac-Bosanac, Ljiljana; Rakonjac, Lj.; Lučić, Aleksandar

doi:10.2298/abs1301161c

Cited by 5 publications

(5 citation statements)

References 7 publications

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“…Unfavourable climate, especially the lack of precipitation during the growing season, air temperatures above multi-annual averages ( Tables S4–S7 ), and prolonged and frequent drought periods have had serious and long-term consequences on forest ecosystems in Serbia. Similar observations have been stated by domestic authors [ 53 , 54 , 55 , 65 , 66 , 67 , 68 , 69 , 70 ], whose research confirms the negative impacts of climate change and extreme climate events on the growth, development, and vitality of forest tree species and forest ecosystems as a whole.…”

Section: Discussionsupporting

confidence: 90%

Impact of an Extremely Dry Period on Tree Defoliation and Tree Mortality in Serbia

Češljar

Jovanovic

Brašanac-Bosanac

et al. 2022

Plants

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This paper presents research results on forest decline in Serbia. The results were obtained through monitoring defoliation of 34 tree species at 130 sample plots during the period from 2004 to 2018. This research aimed to determine whether the occurrence of defoliation and tree mortality were caused by drought. Defoliation was assessed in 5% steps according to the International Co-operative Programme on Assessment and Monitoring of Air Pollution Effects on Forests (ICP Forests) methodology. All the trees recorded as dead were singled out, and annual mortality rates were calculated. To determine changes in air temperature and precipitation regimes during the study period, we processed and analysed climatic data related to air temperature and precipitation throughout the year and in the growing season at 28 main weather stations in Serbia. Tree mortality patterns were established by classifying trees into three groups. The first group of trees exhibited a gradual increase in defoliation during the last few years of monitoring, with dying as the final outcome. The second group was characterised by sudden death of trees. The third group of trees reached a higher degree of defoliation immediately after the first monitoring year, and the trees died after several years. Tree mortality rates were compared between years using the Standardised Precipitation Evaporation Index (SPI) and the Standardised Precipitation Evapotranspiration Index (SPEI), the most common methods used to monitor drought. The most intensive forest decline was recorded during the period from 2013 to 2016, when the largest percentage of the total number of all trees died. According to the annual mortality rates calculated for the three observation periods (2004–2008, 2009–2013, and 2014–2018) the highest forest decline rate was recorded in the period from 2014 to 2018, with no statistically significant difference between broadleaved and coniferous tree species. As the sample of coniferous species was small, the number of sample plots should be increased in order to achieve better systematic forest condition monitoring in Serbia. The analysis of the relationship between defoliation and climatic parameters proved the correlation between them. It was noted that the forest decline in Serbia was preceded by an extremely dry period with high temperatures from 2011 to 2013, supporting the hypothesis that it was caused by drought. We therefore conclude that these unfavourable climatic conditions had serious and long-term consequences on forest ecosystems in Serbia.

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Section: Discussionsupporting

confidence: 90%

Impact of an Extremely Dry Period on Tree Defoliation and Tree Mortality in Serbia

Češljar

Jovanovic

Brašanac-Bosanac

et al. 2022

Plants

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“…The fact that sufficient precipitation with a good distribution throughout the year has a strong positive influence on the radial growth of Austrian pine (Pinus nigra Arn.) was also observed in Serbia (Koprivica et al 2009, Ćirković-Mitrović et al 2013). According to Koprivica et al (2009), in middleaged Austrian pine plantations, a statistically significant dependence of the diameter increment on the precipitation was determined, whereas the dependence on the air temperature and thinning is random.…”

Section: Discussionmentioning

confidence: 61%

“…According to Koprivica et al (2009), in middleaged Austrian pine plantations, a statistically significant dependence of the diameter increment on the precipitation was determined, whereas the dependence on the air temperature and thinning is random. Ćirković-Mitrović et al (2013) found a strong positive correlation between the trends in the diameter increment of Austrian pine and annual precipitation, but also with precipitation during the growing season (Ćirković-Mitrović et al 2013).…”

Section: Discussionmentioning

confidence: 93%

Relationships Between Climatic Variables and Tree-Ring Width of Silver Fir (Abies alba Mill.) in Kozara National Park (Bosnia and Herzegovina)

Subotić

Dukić

Popov

et al. 2020

SEEFOR

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Silver fir (Abies alba Mill.) is the most common conifer species in Bosnia and Herzegovina. The paper describes the development of a silver fir master tree-ring chronology from Kozara National Park and analyzes the influence of the climate conditions on tree-ring widths. The knowledge concerning the effect of climate on cambium activity and, as a result, on tree growth is of great importance for silviculture, which is particularly complex in terms of deterioration of health condition. Four sites were selected for sampling at Kozara National Park. At each sampling site, 15 dominant trees were drilled with Pressler’s increment borer at breast height. The development of chronology included three steps: i) cross-dating of a series of tree-ring width and checking of their quality using the COFECHA program, ii) data standardization in the ARSTAN program, and iii) master chronology development. Correlation analysis was performed in order to determine the links between tree-ring width and climate (primarily temperature and precipitation). In the 88-year-long master chronology, pointer years analysis identified five positive and nine negative years. Correlation analysis revealed that precipitation had stronger and more significant impact on silver fir radial growth, particularly at the beginning of the growing season, in April and May (r=0.175 and r=0.318, respectively), and in the crucial July−September period (r in the range of 0.143−0.222). The highest negative correlation coefficient with temperature was determined for September of the previous year (r=-0.282) and then for summer months (July and August) of the current year (r=-0.184 and r=-0.272, respectively). In addition, statistically significant correlation between radial growth and the Forestry Aridity Index was determined (r=-0.390). The results of tree-ring width climate analysis obtained in this study are in accordance with other studies carried out in Bosnia and Herzegovina and in the surrounding area.

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“…Poljanšek et al (2013) noted that "summer sunshine is tightly connected with moisture stress in trees, because the moisture stress and therefore the width of tree rings are under the influence of the direct and interactive effects of sunshine duration (temperature, precipitation, cloud cover and evapotranspiration)". Ćirković-Mitrović et al (2013) found a strong positive correlation between the tree ring-width of Austrian pine trees from three artificially established stands at three sites in the Belgrade area in Serbia and precipitation in the growing period.…”

Section: Discussionmentioning

confidence: 87%

Dendroindication of drought in Rogatica region (Eastern Bosnia)

Ducic

Ivanovic

Mihajlović

et al. 2015

ARCH BIOL SCI BELGRA

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The aim of this study was to investigate the possibility of using the dendrochronological method in drought prediction in eastern Bosnia. As an indicator of drought, the standardized precipitation index (SPI) was used. In the wider area of Rogatica (eastern Bosnia), 11 core samples from trees were taken. The best connection between the width of tree rings and drought was shown by the sample of a 67-year-old European silver fir (Abies alba) from the mountain Boksanica. Removal of the biological trend (standardization) was performed by the autoregressive-moving-average (ARMA) method. Calculations showed that precipitation, i.e. drought in the summer months, is crucial for radial increment of the sample. The obtained results of our research have been confirmed in examples in the region and further.

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The impact of climate elements on the diameter increment of Austrian pine (Pinus nigra Arn.) in Serbia

Cited by 5 publications

References 7 publications

Impact of an Extremely Dry Period on Tree Defoliation and Tree Mortality in Serbia

Impact of an Extremely Dry Period on Tree Defoliation and Tree Mortality in Serbia

Relationships Between Climatic Variables and Tree-Ring Width of Silver Fir (Abies alba Mill.) in Kozara National Park (Bosnia and Herzegovina)

Dendroindication of drought in Rogatica region (Eastern Bosnia)

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