Jan Tumajer
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View article: Spatiotemporal Variability of Dendroecological Indicators in Pedunculate Oak ( <i>Quercus robur</i> L.) Tree‐Rings Across Europe in Relation to Species Distribution Models
Spatiotemporal Variability of Dendroecological Indicators in Pedunculate Oak ( <i>Quercus robur</i> L.) Tree‐Rings Across Europe in Relation to Species Distribution Models Open
Climate is a primary, but non‐stationary, driver of tree growth. Climate change is altering the sensitivity of forest growth to water availability and temperature over time. It is considered that pedunculate oak ( Quercus robur L.) will co…
View article: Longer growing seasons will not offset growth loss in drought-prone temperate forests of Central-Southeast Europe
Longer growing seasons will not offset growth loss in drought-prone temperate forests of Central-Southeast Europe Open
The radial growth of temperate forests responds to climate change with remarkable variation across space and between species. However, there is limited understanding of how growing season extension and increasing drought stress contribute …
View article: When parasites bite hardest: mistletoe effects on oak radial growth peak near climatic optima
When parasites bite hardest: mistletoe effects on oak radial growth peak near climatic optima Open
Summary Hemiparasitic mistletoes can alter host water and carbon balance, but their impact on tree growth is expected to vary with phenology, microclimate and stand context. We asked whether the yellow mistletoe Loranthus europaeus shifts …
View article: Temperature and nutrient availability influence radial growth of <i>Picea abies</i> at opposite slopes in a treeline ecotone
Temperature and nutrient availability influence radial growth of <i>Picea abies</i> at opposite slopes in a treeline ecotone Open
Treeline ecotones in complex mountain landscapes are exposed to pronounced differences in irradiation and soil nutrient availability. Different amounts of nutrients and direct solar energy can influence tree stem growth, especially in lowe…
View article: Impact of pollution on the temperature sensitivity of multiple Norway spruce tree-ring parameters in Central Europe
Impact of pollution on the temperature sensitivity of multiple Norway spruce tree-ring parameters in Central Europe Open
Central European forests experienced high rates of air pollution in the second half of the 20th century, especially along the borders of Czechia, Germany and Poland. Consequently, tree-growth declines were detected in heavily polluted fore…
View article: Rapid trend towards larger and more moisture-limited trees in Central-European temperate forests
Rapid trend towards larger and more moisture-limited trees in Central-European temperate forests Open
Tree stems represent a long-lived biomass compartment for atmospheric carbon sequestration. While terrestrial biosphere models predict rising carbon sequestration in forests, direct observations of tree growth are inconclusive due to varyi…
View article: Age-dependent moisture response of conifers near their cold range limit
Age-dependent moisture response of conifers near their cold range limit Open
View article: Response of leaf internal CO<sub>2</sub> concentration and intrinsic water-use efficiency in Norway spruce to century-long gradual CO<sub>2</sub> elevation
Response of leaf internal CO<sub>2</sub> concentration and intrinsic water-use efficiency in Norway spruce to century-long gradual CO<sub>2</sub> elevation Open
The strategies of Norway spruce [Picea abies (L.) Karst.] to increasing atmospheric CO2 concentration (C a) are not entirely clear. Here, we reconstructed centennial trajectories of leaf internal CO…
View article: Radial growth of Picea abies is controlled by joint effects of temperature and nutrient availability at the lower part of treeline ecotone
Radial growth of Picea abies is controlled by joint effects of temperature and nutrient availability at the lower part of treeline ecotone Open
Treeline ecotones in complex mountain landscapes are exposed to pronounced differences in irradiation and soil nutrient availability. Different amounts of nutrients and direct solar energy can influence tree stem growth resulting in variat…
View article: High Inter‐Specific Diversity and Seasonality of Trunk Radial Growth in Trees Along an Afrotropical Elevational Gradient
High Inter‐Specific Diversity and Seasonality of Trunk Radial Growth in Trees Along an Afrotropical Elevational Gradient Open
Understanding mechanisms driving tropical tree growth is essential for comprehending carbon sequestration and predicting the future of tropical forests amid rapid deforestation. We conducted a natural experiment in Mount Cameroon to identi…
View article: Tip-to-base conduit widening remains consistent across cambial age and climates in <i>Fagus sylvatica</i> L.
Tip-to-base conduit widening remains consistent across cambial age and climates in <i>Fagus sylvatica</i> L. Open
Water transport, mechanical support and storage are the vital functions provided by the xylem. These functions are carried out by different cells, exhibiting significant anatomical variation not only within species but also within individu…
View article: Spatial patterns in recent forest growth trends across the Czech Republic
Spatial patterns in recent forest growth trends across the Czech Republic Open
The radial growth of trees significantly contributes to climate change mitigation by sequestering carbon into woody biomass. Radial growth trends observed in European temperate forests during the recent period of climate warming vary betwe…
View article: Increasing stem dimensions of European temperate tree species between 1990 and 2015
Increasing stem dimensions of European temperate tree species between 1990 and 2015 Open
Increasing forest CO2 absorption is ensured by enhanced gross primary production (GPP) which exhibited increasing trends as documented by CO2 flux measurements or by global vegetation models. Considering the simultaneous increase in ecosys…
View article: Understanding Climate Sensitivity of Central European Conifers: Insights from Multivariate and Multi-Parameter Tree-Ring Analysis
Understanding Climate Sensitivity of Central European Conifers: Insights from Multivariate and Multi-Parameter Tree-Ring Analysis Open
View article: Impact of Pollution on the Temperature Sensitivity of Multiple Norway Spruce Tree-Ring Parameters in Central Europe
Impact of Pollution on the Temperature Sensitivity of Multiple Norway Spruce Tree-Ring Parameters in Central Europe Open
View article: Impact of Pollution on the Temperature Sensitivity of Multiple Norway Spruce Tree-Ring Parameters in Central Europe
Impact of Pollution on the Temperature Sensitivity of Multiple Norway Spruce Tree-Ring Parameters in Central Europe Open
View article: Impact of Pollution on the Temperature Sensitivity of Multiple Norway Spruce Tree-Ring Parameters in Central Europe
Impact of Pollution on the Temperature Sensitivity of Multiple Norway Spruce Tree-Ring Parameters in Central Europe Open
View article: Incorporating high-resolution climate, remote sensing and topographic data to map annual forest growth in central and eastern Europe
Incorporating high-resolution climate, remote sensing and topographic data to map annual forest growth in central and eastern Europe Open
To enhance our understanding of forest carbon sequestration, climate change mitigation and drought impact on forest ecosystems, the availability of high-resolution annual forest growth maps based on tree-ring width (TRW) would provide a si…
View article: Dendrometers challenge the ‘moon wood concept’ by elucidating the absence of lunar cycles in tree stem radius oscillation
Dendrometers challenge the ‘moon wood concept’ by elucidating the absence of lunar cycles in tree stem radius oscillation Open
Wood is a sustainable natural resource and an important global commodity. According to the ‘moon wood theory’, the properties of wood, including its growth and water content, are believed to oscillate with the lunar cycle. Despite contradi…
View article: Delineating vulnerability to drought using a process-based growth model in Pyrenean silver fir forests
Delineating vulnerability to drought using a process-based growth model in Pyrenean silver fir forests Open
View article: Variability in Tree-ring Width and NDVI Responses to Climate at a Landscape Level
Variability in Tree-ring Width and NDVI Responses to Climate at a Landscape Level Open
Inter-annual climatically driven growth variability of above-ground biomass compartments (for example, tree stems and foliage) controls the intensity of carbon sequestration into forest ecosystems. However, understanding the differences be…
View article: Seasonal precipitation and continentality drive bimodal growth in Mediterranean forests
Seasonal precipitation and continentality drive bimodal growth in Mediterranean forests Open
View article: Shifting Climatic Responses of Tree Rings and Ndvi Along Environmental Gradients
Shifting Climatic Responses of Tree Rings and Ndvi Along Environmental Gradients Open
View article: Bimodal and unimodal radial growth of Mediterranean oaks along a coast-inland gradient
Bimodal and unimodal radial growth of Mediterranean oaks along a coast-inland gradient Open
View article: Tip-to-base conduit widening and spatial distribution of xylem conduits along the stem of Fagus sylvatica L.
Tip-to-base conduit widening and spatial distribution of xylem conduits along the stem of Fagus sylvatica L. Open
<p>Xylem is a multifunctional tissue that allows water transport, mechanical support, and storage of nutrients. These functions are provided by different cells, with different anatomy among species but also within individual trees. F…
View article: Increasing water-use efficiency mediates effects of atmospheric carbon, sulfur, and nitrogen on growth variability of central European conifers
Increasing water-use efficiency mediates effects of atmospheric carbon, sulfur, and nitrogen on growth variability of central European conifers Open
<p>Climate controls forest biomass production through direct effects on cambial activity and indirectly through interactions with CO<sub>2</sub>, air pollution, and nutrients availability. Atmospheric concentration of CO&…
View article: Multi-parameter reconstruction of the past 400 years of Carpathian temperatures from tree rings
Multi-parameter reconstruction of the past 400 years of Carpathian temperatures from tree rings Open
<p>Instrumental data derived from meteorological stations provide a fairly reliable record of climate variability for at least the last century for most parts of Europe. Proxy-based climate reconstructions have been extensively devel…
View article: Limitation by vapour pressure deficit shapes different intra‐annual growth patterns of diffuse‐ and ring‐porous temperate broadleaves
Limitation by vapour pressure deficit shapes different intra‐annual growth patterns of diffuse‐ and ring‐porous temperate broadleaves Open
Summary Understanding the effects of temperature and moisture on radial growth is vital for assessing the impacts of climate change on carbon and water cycles. However, studies observing growth at sub‐daily temporal scales remain scarce. W…
View article: Seasonal Precipitation and Continentality Drive Bimodal Growth of Gymnosperm Trees and Shrubs in the Mediterranean
Seasonal Precipitation and Continentality Drive Bimodal Growth of Gymnosperm Trees and Shrubs in the Mediterranean Open
View article: Growing faster, longer or both? Modelling plastic response of <i>Juniperus communis</i> growth phenology to climate change
Growing faster, longer or both? Modelling plastic response of <i>Juniperus communis</i> growth phenology to climate change Open
Aim Plant growth and phenology respond plastically to changing climatic conditions in both space and time. Species‐specific levels of growth plasticity determine biogeographical patterns and the adaptive capacity of species to climate chan…