Klemen Novak

ORCID: 0000-0003-0993-5286
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About
Contact & Profiles
Research Areas
  • Tree-ring climate responses
  • Plant Water Relations and Carbon Dynamics
  • Forest ecology and management
  • Ecology and Vegetation Dynamics Studies
  • Mediterranean and Iberian flora and fauna
  • Historical and socio-economic studies of Spain and related regions
  • Horticultural and Viticultural Research
  • Wood Treatment and Properties
  • Forest Ecology and Biodiversity Studies
  • Hydrology and Drought Analysis
  • Agroforestry and silvopastoral systems
  • Wood and Agarwood Research
  • Forest Biomass Utilization and Management
  • Fire effects on ecosystems
  • Botany and Plant Ecology Studies
  • Urbanism, Landscape, and Tourism Studies
  • Insect and Pesticide Research
  • Biodiesel Production and Applications
  • Taxation and Legal Issues
  • Tree Root and Stability Studies
  • Geology and Paleoclimatology Research
  • Pulsars and Gravitational Waves Research
  • EEG and Brain-Computer Interfaces
  • Freshwater macroinvertebrate diversity and ecology
  • Mechanical Systems and Engineering

University of Ljubljana
2009-2023

Technical University of Munich
2023

University of Alicante
2009-2022

Universidad de Zaragoza
2009-2019

Michigan State University
2014

National Superconducting Cyclotron Laboratory
2014

Abstract Forecasted increase drought frequency and severity may drive worldwide declines in forest productivity. Species‐level responses to a drier world are likely be influenced by their functional traits. Here, we analyse resilience using an extensive network of tree‐ring width data satellite imagery. We compiled proxies growth productivity ( TRW i, absolutely dated ring‐width indices; NDVI , Normalized Difference Vegetation Index) for 11 tree species 502 forests Spain corresponding...

10.1111/gcb.14082 article EN Global Change Biology 2018-02-28

Posterior distributions for physical parameters describing relativistic heavy-ion collisions, such as the viscosity of quark-gluon plasma, are extracted through a comparison hydrodynamic-based transport models to experimental results from 100$A$ GeV + Au+Au collisions at Relativistic Heavy Ion Collider (RHIC). By simultaneously varying six and by evaluating several classes observables, we able explore complex intertwined dependencies observables model parameters. We obtain full...

10.1103/physrevc.89.034917 article EN Physical Review C 2014-03-31

We investigated the variability of climate-growth relationship Aleppo pine across its distribution range in Mediterranean Basin. constructed a network tree-ring index chronologies from 63 sites region. Correlation function analysis identified relationships to climate factors for each site. also estimated dominant climatic gradients region using principal component monthly, seasonal, and annual mean temperature total precipitation 1,068 gridpoints. Variation ring width was primarily related...

10.1371/journal.pone.0083550 article EN cc-by PLoS ONE 2013-12-31

Abstract The negative impacts of drought on forest growth and productivity last for several years generating legacies, although the factors that determine why such legacies vary across sites tree species remain unclear. We used an extensive network tree‐ring width (RWI, ring‐width index) records 16 from 567 forests, high‐resolution climate normalized difference vegetation index (NDVI) datasets Spain during common period 1982‒2008 to test hypothesis conditions features modulate legacy effects...

10.1111/1365-2745.13435 article EN Journal of Ecology 2020-05-23

Tree rings provide information about the climatic conditions during growing season by recording them in different anatomical features, such as Intra-Annual Density Fluctuations (IADFs). IADFs are intra-annual changes of wood density appearing latewood-like cells within earlywood, or earlywood-like latewood. The occurrence is dependent on age and size tree, it triggered drivers. variations IADF frequency species their dependence climate across a wide geographical range have still to be...

10.3389/fpls.2016.00579 article EN cc-by Frontiers in Plant Science 2016-05-02

Intra-annual density fluctuations (IADFs) in tree rings of Aleppo pine ( Pinus halepensis ) are considered to be among the most promising wood anatomical features dendrochronological studies. They provide environmental information addition those obtained from tree-ring widths. We used a network 35 sites Spain, ranging nearly desert temperate climate. analysed series 529 trees study IADF frequencies, and their dependence on climatic factors cambial age. The results showed that frequency is...

10.1163/22941932-00000037 article EN IAWA Journal 2013-01-01

Drought is one of the key natural hazards impacting net primary production and tree growth in forest ecosystems. Nonetheless, species show different responses to drought events, which make it difficult adopt fixed tools for monitoring impacts under contrasting environmental climatic conditions. In this study, we assess response a satellite proxy (NPP) peninsular Spain Balearic Islands, region characterized by complex climatological, topographical, characteristics. Herein, employed three...

10.3390/f9090524 article EN Forests 2018-08-30

To understand better the adaptation strategies of intra-annual radial growth in Pinus halepensis and sylvestris to local environmental conditions, we examined seasonal rhythm cambial activity cell differentiation at tissue cellular levels. Two contrasting sites differing temperature amount precipitation were selected for each species, one typical their other represented border climatic where two species coexisted. Mature P. trees from Mediterranean (Spain) sub-Mediterranean (Slovenia) sites,...

10.3389/fpls.2016.01923 article EN cc-by Frontiers in Plant Science 2016-12-26

Abstract Tree‐ring data has been widely used to inform about tree growth responses drought at the individual scale, but less is known how sensitivity scales up driving changes in forest dynamics. Here, we related tree‐ring chronologies and stand‐level basal area from two independent sets test if match stand dynamics (stand growth, ingrowth, mortality). We assessed covary as a function of spatial scale taxa (gymnosperm or angiosperm). To this end, compared network with Spanish National Forest...

10.1002/eap.2589 article EN Ecological Applications 2022-03-25

Climate predictions for the Mediterranean Basin include increased temperatures, decreased precipitation, and frequency of extreme climatic events (ECE). These conditions are associated with tree growth vulnerability to pests diseases. The anatomy rings responds these environmental conditions. Quantitatively, width a ring is largely determined by rate duration cell division vascular cambium. In climate, this may occur throughout almost entire year. Alternatively, cease during relatively cool...

10.3389/fpls.2016.00727 article EN cc-by Frontiers in Plant Science 2016-05-31
Jernej Jevšenak Marcin Klisz Jiří Mašek Vojtěch Čada Pavel Janda and 95 more Miroslav Svoboda Ondřej Vostarek Václav Treml Ernst van der Maaten Andreï Popa Ionel Popa Marieke van der Maaten‐Theunissen Tzvetan Zlatanov Tobias Scharnweber Svenja Ahlgrimm Juliane Stolz Irena Sochová Cătălin-Constantin Roibu Hans Pretzsch Gerhard Schmied Enno Uhl Ryszard J. Kaczka Piotr Wrzesiński Martin Šenfeldr Marcin Jakubowski Jan Tumajer Martin Wilmking Nikolaus Obojes Michal Rybníček Mathieu Lévesque Aleksei Potapov Soham Basu Marko Stojanović Stefan Stjepanović Adomas Vitas Domen Arnič Sandra Metslaid Anna Neycken Peter Prislan Claudia Hartl Daniel Ziche Petr Horáček Jan Krejza Sergei Mikhailov Jan Světlík Aleksandra Kalisty Tomáš Kolář Vasyl Lavnyy Maris Hordo Walter Oberhuber Tom Levanič Ilona Mészáros Lea D. Schneider Jiří Lehejček Rohan Shetti Michal Bošeľa Paul Copini Marcin Koprowski Ute Sass‐Klaassen Şule Ceyda Izmir Remigijus Bakys Hannes Entner Jan Esper Karolina Janecka Edurne Martínez del Castillo Rita Verbylaitė Mátyás Árvai Justine Charlet de Sauvage Katarina Čufar Markus Finner Torben Hilmers Zoltán Kern Klemen Novak Radenko Ponjarac Radosław Puchałka Bernhard Schuldt Nina Škrk Dolar Vladimir Tanovski Christian Zang Anja Žmegač Cornell Kuithan Marek Metslaid Eric Andreas Thurm Polona Hafner Luka Krajnc Mauro Bernabei Stefan Bojić Robert Brus Andreas Burger Ettore D’Andrea Todor Đorem Mariusz Gławęda Jožica Gričar Marko Gutalj Emil Horváth Saša Kostić Bratislav Matović Maks Merela Boban Miletić András Morgós

To enhance our understanding of forest carbon sequestration, climate change mitigation and drought impact on ecosystems, the availability high-resolution annual growth maps based tree-ring width (TRW) would provide a significant advancement to field. Site-specific characteristics, which can be approximated by Earth observation satellites (EOS), emerge as crucial drivers growth, influencing how translates into tree growth. EOS provides information surface reflectance related characteristics...

10.1016/j.scitotenv.2023.169692 article EN cc-by The Science of The Total Environment 2023-12-29

The responses of the vascular cambium and tracheid differentiation to extreme drought in Aleppo pine ( Pinus halepensis Mill.) were investigated. research focused on year 2005, primary study area at Maigmo (MAI) southeastern Spain, with comparisons Jarafuel (JAL) Guardamar (GUA). climate this region is typically warm dry hot summers. Wood formation throughout 2005 growing season was studied transverse microtome sections integrated a retrospective dendrochronological analysis crossdated...

10.1163/22941932-20160133 article EN IAWA Journal 2016-06-06

Wood formation is the primary biological process through which carbon durably sequestered in woody plants, and thus a major contributor to mitigate climate change. We analyzed tree growth patterns of four conifer species across Iberian Peninsula (IP) based on dense dendrochronological network (179 sites) combined with high resolution dataset. Generalized linear-mixed models were used predict potential different pine under conditions considering age classes. found strong dependency growth,...

10.3390/f9070416 article EN Forests 2018-07-11

Annual periodicity of cambium production xylem and phloem cells has rarely been compared in trees from different environments. We the structure youngest increments four tree species, Fagus sylvatica, Picea abies, Pinus sylvestris halepensis , nine temperate Mediterranean sites Slovenia Spain. In sylvatica locations Slovenia, growth ring boundaries could be identified. growing at two elevations on Moncayo mountain, Spain, increment consisted only early phloem. same sites, were not as clear...

10.1163/22941932-20160138 article EN IAWA Journal 2016-06-06

The escalating decline in growth trends of European beech (Fagus sylvatica) observed across its distribution area pose a major ecological and economic challenge for countries with high proportion beech, such as Slovenia. In this study, the effects climate change were examined at high-resolution scale, encompassing large climatic, orographic, variability forests Using basal increment data (BAI) from tree-ring network (48 sites Slovenia), modelled data, generalized linear mixed models (GLMM),...

10.1016/j.dendro.2023.126135 article EN cc-by-nc-nd Dendrochronologia 2023-09-21

We used the Confocal Laser Scanning Microscope (CLSM) Olympus LEXT OLS5000 for non-destructive observation and image analysis of wood anatomy traits in growth layers tree species from different climatic zones. In European beech (Fagus sylvatica), where rings can generally be recognised, we discuss changes tree-ring structure due to adverse effects (insect attacks). Growth Mediterranean Aleppo pine (Pinus halepensis) south-eastern Spain are not always annual contain numerous intra-annual...

10.26614/les-wood.2019.v68n02a01 article EN cc-by-nc Les/Wood 2019-12-30
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