The climate to growth relationships of pedunculate oak in steppe

Netsvetov, Maksym; Sergeyev, Maksym; Nikulina, Varvara; Korniyenko, V. O.; Prokopuk, Yulia

doi:10.1016/j.dendro.2017.03.004

Cited by 25 publications

(11 citation statements)

References 33 publications

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“…For June-October months, trendlines started to grow around the late 1970s -early 1980s and obviously induced changes in the growth-climate relationship patterns revealed by the moving correlation analysis as a strengthening of the negative correlation with temperature after the 1800s. The shift to a negative growth association with January temperature is probably the most unprecedented change, which is inconsistent with results reported from Northern Poland (Pritzkow et al, 2016), but is in line with recent oak growth-climate relationship patterns in steppe zone in Ukraine (Netsvetov et al, 2017). Most of the factors tightly associated with oak growth in the Lisnyky forest, however, lost their control in the 2000s, which may be related to a climatic hiatus, i.e.…”

Section: Discussion Oak Growth-to-climate Relationshipscontrasting

confidence: 56%

Climatic sensitivity of Quercus robur L. in floodplain near Kyiv under river regulation

Netsvetov¹,

Prokopuk²,

Didukh³

et al. 2017

Dendrobiology

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Climate change has a significant impact on natural ecosystems, particularly on floodplain forests that are among the most transformed ecosystems in the world. The climate sensitivity of dominant species is likely to play a key role in determining the susceptibility of flooded forests to climate changes. Here, we use dendrochronological approaches and local climate records from 1880 to 2015 to assess the response in pedunculate oak (Quercus robur L.) trees growing in a floodplain of the Dnipro River near Kyiv to climatic variables. Correlation analysis reveals the strongest positive association of the Q. robur tree-ring width chronology with May-June precipitation, May-June temperature, and May self-calibrating Palmers drought severity indices (scPDSI). The moving-window correlation analysis points to positive association with the scPDSI after the 1950s, when local river regulation was implemented. The positive correlation with current March precipitation is the least expected change in the oak growth-to-climate relationship that occurred in the aftermath of human alterations in the local river and regional climate changes. This study discusses the probable ecological consequences and ecophysiological mechanisms of observable climate-to-growth relationships and their temporal stability.

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Section: Discussion Oak Growth-to-climate Relationshipscontrasting

confidence: 56%

Climatic sensitivity of Quercus robur L. in floodplain near Kyiv under river regulation

Netsvetov¹,

Prokopuk²,

Didukh³

et al. 2017

Dendrobiology

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“…The proportion of transpiration in floodplain forests is a high 80% of the total evapotranspiration, and most of the transpired water originates from underground sources 54 . In such conditions, climate change together with the fall of river water levels, increasingly expose oak to unfavorable conditions 37 , 55 – 58 .…”

Section: Discussionmentioning

confidence: 99%

Drought-induced shift in tree response to climate in floodplain forests of Southeastern Europe

Mikac

Žmegač

Trlin

et al. 2018

Sci Rep

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Floodplain forests are the most rapidly disappearing ecosystem in the world, especially in temperate regions of Europe where anthropogenic influence has been pronounced throughout history. Research on primeval forests is crucial to further our understanding of their natural dynamics and interaction with climate but is limited by the lack of such preserved forests. The aim of this study was to investigate how a primeval floodplain forest in Southeastern Europe has responded to climate variability during the last 250 years through comparison of tree growth and climate, canopy disturbance and recruitment dynamic of two dominant tree species with different tolerances to flooding/drought. Our analysis revealed induced stress caused by several consecutive severe drought events in the 1940s, which led to a significant increase in sensitivity to increasing temperatures and decreasing river water levels. This trend is particularly pronounced in pedunculate oak. Age structure analysis revealed one larger episode of oak regeneration culminating after periods of intense growth release. Such period co-occurs with summer drought, which is part of a complex system of natural disturbances and a significant natural driver of the cyclical regeneration of primeval oak ecosystems.

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“…Tree-ring data from Continental Europe show a high sensitivity of oak trees to low winter temperatures(Denman et al, 2014;Netsvetov et al, 2017). In winter, sunny and warm conditions during the day and low temperatures during the night can cause frost cracks,causing damages to phloem and necrosis(Denman et al, 2014).…”

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confidence: 99%

Response of Growth to Climate within Oaks of the World Heritage Site of Prussian Gardens

2020

International Journal of Forestry and Horticulture

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Trees constitute the basis for structure and convey the particular impression of most historic gardens and parks. In the World Heritage property 'Palaces and Parks of Potsdam and Berlin' (Germany) oaks are among the most abundant tree species and can be seen as key species. Questions about exact age, extent and time of environmental influences and impact of extreme weather events still remain unanswered. Against this background, this study tries to get answers about the reaction of these oaks to climatic conditions at three sites, and about the link between vitality and tree-ring growth with a dendrochronological approach. A correlation analyzes and moving correlations gave insight in climate-growth relationships and their stability. Growth reactions were also evaluated in single years by pointer year analyses and superposed epoch analyses (SEA).The oak trees show declining growth trends which can be interpreted as typical sign of the old stage of trees and that are not necessarily linked to changing climatic conditions. However, our results highlight the significance of adequate precipitation sums in previous year's July and September and from current May to July for xylogenesis. This result is confirmed by the correlation analyzes to ground-water table and a drought index as well as by the pointer year analyses and the SEA. The climate-growth correlations show instability in many months of previous and current year over recent decades. The results of the present study show strong site-specific drought sensitivity for Quercusthat is strongly correlated with soil moisture conditions and precipitation.

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The climate to growth relationships of pedunculate oak in steppe

Cited by 25 publications

References 33 publications

Climatic sensitivity of Quercus robur L. in floodplain near Kyiv under river regulation

Climatic sensitivity of Quercus robur L. in floodplain near Kyiv under river regulation

Drought-induced shift in tree response to climate in floodplain forests of Southeastern Europe

Response of Growth to Climate within Oaks of the World Heritage Site of Prussian Gardens

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