Fingerprints of extreme climate events in Pinus sylvestris tree rings from Bulgaria

Panayotov, Momchil; Zafirov, Nikolay; Cherubini, Paolo

doi:10.1007/s00468-012-0789-1

Cited by 43 publications

(28 citation statements)

References 39 publications

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“…The above presented pattern of climate-growth relationship, namely the positive dominance of summer precipitation and negative impact of summer temperature was reported in other studies in Hungary on beech (Garamszegi & Kern, 2014) and on oak (Kern et al, 2013) and was observed many times on pine (Koprowski, 2012;Michelot, 2012;Panayotov et al, 2013;Levanič, 2015;Toromani et al, 2015) as well. However, we found a much unusual pattern also, which has never been observed in Hungary neither on pines nor on other species, but rare in the MJJ (May-June-July), JJA (June-July-August), SPR (March-April-May) and VGP (March-October) represent the combined periods, GWL shows groundwater data.…”

Section: Discussionsupporting

confidence: 76%

“…In the literature many types of radial growth features have been discussed like narrow rings (e.g. Panayotov et al, 2013), frost rings (e.g. Hantemirov et al, 2004), light rings (e.g.…”

Section: Introductionmentioning

confidence: 99%

“…Campelo et al, 2007Campelo et al, , 2013Cufar et al, 2011;de Luis et al, 2011;De Micco et al, 2014;Olivar et al, 2012) but researches have already been made in temperate forests as well (Ježík, 2011;Nabais et al, 2014;Panayotov et al, 2013;van der Werf, 2007). Tree-ring studies in Hungary have been focused on climate-growth relationship (Babos, 1984;Garamszegi & Kern, 2014;Kern et al, 2013;Szabados, 2006) and climate reconstruction (Kern et al, 2009) so far, thus dendrochronological approach of the investigation of negative extreme climatic events is still missing.…”

Section: Introductionmentioning

confidence: 99%

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Possibility of identification of negative extreme climatic events using Pinus sylvestris tree-rings in Transdanubia, Hungary

Misi¹,

Náfrádi²

2016

Dendrobiology

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Negative climatic extremes occur more frequently in the last decades. Since the Carpathian Basin is highly concerned in their impacts it is important to investigate prior events and estimate the response of the environment to them to get useful information for the future. In our work we selected a stand which is seriously affected by unfavorable summer conditions to examine what kind of fingerprint the negative extreme events have left. We investigated narrow rings and intra-annual density fluctuation to describe years with extreme events. Their stabilized frequency was tested against climatic and groundwater data, as well as against aridity index to determine climate-growth relationships using Pearson and Spearman's correlations. Our results show positive significant correspondence between summer precipitation and treering growth together with negative connection with summer temperature. The Spearman's correlation between stabilized frequency of intra-annual density fluctuations, narrow rings and climate data ended with significant relationship in summer. According to the comparison of intra-annual density fluctuation and narrow ring data with drought periods it can be said that narrow rings are better tool for the examination of negative extreme events in summer.

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Section: Discussionsupporting

confidence: 76%

“…In the literature many types of radial growth features have been discussed like narrow rings (e.g. Panayotov et al, 2013), frost rings (e.g. Hantemirov et al, 2004), light rings (e.g.…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Possibility of identification of negative extreme climatic events using Pinus sylvestris tree-rings in Transdanubia, Hungary

Misi¹,

Náfrádi²

2016

Dendrobiology

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“…Our research is in accordance with the findings of the other authors who found that the growth of Scots pine in the studied region mainly depends on the amount of available precipitation (Misi & Náfrádi, 2016) or severity of drought (Misi & Ná-frádi, 2017) and less on temperature (Sidor & Popa, 2015). Some authors found an indirect connection between climate and growth of Scots pine -Poljanšek et al (2015) found a close connection between a hot and dry summer and the number of needles of the terminal bud, while Panayotov et al (2012) found a connection between drought and partial or complete absence of latewood if the summer in the year of ring formation was dry and warm.…”

Section: Discussion Correlation Between Growth and Spimentioning

confidence: 99%

Growth response of different tree species (oaks, beech and pine) from SE Europe to precipitation over time

Stojanović¹,

Levanič²,

Matović³

et al. 2018

Dendrobiology

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Changing climatic conditions can have various consequences for forest ecosystems, from increasing frequencies of forest fires, ice and windstorm events to pathogen outbreaks and mass mortalities. The Standardized Precipitation Index (SPI) was chosen for the evaluation of drought impact on the radial growth of trees after extensive preliminary testing of various calculated monthly climate parameters from the CARPATCLIM database. SPI was calculated for periods between 3 and 36 months for different sites (lowland and mountainous parts of Serbia, Southeast Europe), from which Quercus robur, Q. cerris, Fagus sylvatica and Pinus sylvestris samples were acquired. Bootstrapped Pearson's correlations between SPI monthly indices and radial growth of tree species were calculated.We found that 12-month SPI for summer months may be a good predictor of positive and negative growth of different species at different sites. The strongest positive correlations for five of six tree-ring width chronologies were between 12-month June and 14-month September SPI, which implies that high growth rates can be expected when the autumn of the previous year, and winter, spring and summer of the current year, are well supplied with precipitation, and vice versa (low precipitation in given period/low growth rates).

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“…MorenoGutiérrez et al, 2012;Olivar et al, 2012;Novak et al, 2013), P. pinaster (e.g. Rozas et al, 2011;Campelo et al, 2013) and P. sylvestris (Panayotov et al, 2013), have shown good correlations between IADF formation and climate around the Mediterranean. The consistency of the climatic signal among different pine species and areas suggests that a large-scale network of IADFs could be developed in the Mediterranean region to study intraannual climate variability (Campelo et al, 2013).…”

Section: Study Areamentioning

confidence: 95%

Changes in climate-growth relationships and IADF formation over time of pine species (Pinus halepensis, P. pinaster and P. sylvestris) in Mediterranean environments

et al. 2015

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RESEARCH ARTICLEOPEN ACCESS (Lavorel et al., 1998). Mediterranean forests are the most important ecological infrastructure of the region, providing goods and services and acting as a key for resilience and adaptability. AbstractBackground: The Mediterranean basin has experienced an increase in the mean annual temperature, a decrease in the mean annual precipitation, and an increase in the frequency of severe drought periods during the second half of the 20 th century. However, winter and spring precipitation has increased and summer precipitation has decreased in the western Mediterranean region.Aim of the study: The objectives of the present study were: i) to compare changes in climate-growth relationships over time for Pinus halepensis, P. pinaster and P. sylvestris in Spain ii) to quantify the presence of intra-annual density fluctuations (IADFs) on the three species, and iii) to define the associated climatic variables.Area of study: 26 sampling sites (8 P. halepensis sites, 8 P. pinaster sites and 10 P. sylvestris sites) were selected in their distribution area in Spain.Main results: Precipitation is the main factor influencing growth and IADF occurrence in the three species. Wet periods during previous winter and spring induced higher growth rates on P. halepensis and P. pinaster, while P. sylvestris was mostly influenced by summer precipitation. However, the influence of these climatic variables on the growth of these species changed over the studied period. The increase of winter and spring precipitation combined with increasingly harsh summer climatic conditions in the second half of the 20 th century may have enhanced the importance of precipitation at the beginning of the growing season on the growth of species subject to higher summer drought stress (P. halepensis and P. pinaster) and increased IADF occurrence.Research highlights: Besides reflecting changes in the environmental conditions during the growing season, the inclusion of IADF detection in chronologies adds new information to ring-width chronologies, thereby improving its quality.Key words: Aleppo pine; maritime pine; scots pine; dendroclimatology, IADFs. Abbreviations used: IADF: Intra-annual density fluctuation; AIC: Akaike information criterion; ROC: Receiver operating characteristic.Citation: Olivar, J., Bogino, S., Spiecker, H., Bravo, F. (2015). Changes in climate-growth relationships and IADF formation over time of pine species (Pinus halepensis, P. pinaster and P. sylvestris) in Mediterranean environments. Forest Systems, Volume 24, Issue 1, e-010, 9 pages. http://dx

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Fingerprints of extreme climate events in Pinus sylvestris tree rings from Bulgaria

Cited by 43 publications

References 39 publications

Possibility of identification of negative extreme climatic events using Pinus sylvestris tree-rings in Transdanubia, Hungary

Possibility of identification of negative extreme climatic events using Pinus sylvestris tree-rings in Transdanubia, Hungary

Growth response of different tree species (oaks, beech and pine) from SE Europe to precipitation over time

Changes in climate-growth relationships and IADF formation over time of pine species (Pinus halepensis, P. pinaster and P. sylvestris) in Mediterranean environments

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