Luka Krže

ORCID: 0000-0002-1323-2244
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Research Areas
  • Forest ecology and management
  • Tree-ring climate responses
  • Plant Water Relations and Carbon Dynamics
  • Forest Ecology and Biodiversity Studies
  • Botany and Plant Ecology Studies
  • Wood and Agarwood Research
  • Tree Root and Stability Studies
  • Cultural Heritage Materials Analysis
  • Geology and Paleoclimatology Research
  • Remote Sensing and LiDAR Applications
  • Regional Development and Management Studies
  • Identification and Quantification in Food
  • Seed Germination and Physiology
  • Ancient and Medieval Archaeology Studies
  • Lichen and fungal ecology
  • Biological Activity of Diterpenoids and Biflavonoids
  • Plant Reproductive Biology
  • Botanical Studies and Applications
  • Archaeology and ancient environmental studies
  • Balkan and Eastern European Studies
  • Ancient Mediterranean Archaeology and History
  • Plant biochemistry and biosynthesis
  • Forest Management and Policy
  • Seedling growth and survival studies
  • Wood Treatment and Properties

University of Ljubljana
2009-2025

Biotechnical Educational Centre Ljubljana
2022

The high temperature sensitivity of pine trees in northern Fennoscandia has led to some the most reliable tree-ring climate reconstructions world for past millennia. However, wood anatomical anomalies that likely reflect temperature-induced reductions cell wall lignification, so-called Blue Rings (BRs), have not yet been systematically investigated and shrubs Europe. Here, we present frontier research on occurrence BRs Pinus sylvestris Juniperus communis (L) s.l. from upper treeline Norway...

10.3389/fpls.2024.1487099 article EN cc-by Frontiers in Plant Science 2025-01-22

We investigated the anatomical structure of phloem and xylem growth rings as well dormant cambium in relation to vitality 81 adult silver fir trees ( Abies alba Mill.). Specifically, we number cells produced current ring (PR), (XR) their ratio, (CC), PR, which included characterisation early (EP), late (LP), presence, absence, continuity tangential bands axial parenchyma (AP). EP was relatively stable with respect types PR width changed, but LP quite variable. The CC more vital than cells....

10.1163/22941932-90000208 article EN IAWA Journal 2009-01-01

Climate change is reshaping the species composition, distribution and extent of forests worldwide. Across vast areas in Central Europe widespread Norway spruce (Picea abies) has exhibited large-scale decline, primarily due to its vulnerability drought events. Forest management thus facing important questions related replacement spruce, especially where it was introduced high economic value.This study investigates potential Douglas fir (Pseudotsuga menziesii), a drought- pest-tolerant...

10.5194/egusphere-egu25-4269 preprint EN 2025-03-14

Exact wood identification is usually based on observation of features under the microscope. For this, we have to take a sample from object and cut thin slides, possibly all three anatomical sections. Such destructive sampling often not possible valuable historical objects, therefore there need for non-destructive approaches. The objective study present potential Confocal Laser Scanning Microscopy (CLSM) using an Olympus LEXT OLS5000 wood. We work example gothic sculpture, “St. George...

10.26614/les-wood.2019.v68n02a02 article EN cc-by-nc Les/Wood 2019-12-30

Na 16 koliščih na Ljubljanskem barju v Sloveniji je bilo med leti 1995 in 2021 z arheološkimi izkopavanji zbranih več kot 8.800 vzorcev vodo napojenega arheološkega lesa. Večina odvzetih iz pilotov, zabitih zemljo, katerih so bila zgrajena bivališča. Približno 20 % lesa hrasta (Quercus sp.) jesena (Fraxinus sp.), 45 branikami, ki jih mogoče vključiti dendrokronološke analize sestaviti kronologije širin branik za večino najdišč. Datiranje uporabo dendrokronologije, radiokarbonskega datiranja...

10.26614/les-wood.2022.v71n01a06 article SL cc-by-nc Les/Wood 2022-07-26

We present the investigation of wood discovered during 2009/2010 archaeological excavations at prehistoric pile-dwelling settlement Špica in Ljubljansko barje, Slovenia. The results include data on identification, dendrochronological dating and spatial distribution piles. focussed smaller sections site dated oak ash piles with reference chronologies settlements Založnica Parte spanning period 2659 – 2366 BC. Based established dates tree felling, we identified several construction activities...

10.26614/les-wood.2024.v73n02a07 article EN cc-by-nc Les/Wood 2024-12-04

Wood identification of barbecue charcoal from commercial packages three retailers (B1, B2, B3) in Slovenia and Croatia was performed with help Confocal Laser Scanning Microscopy (CLSM). CLSM enabled us to image key features wood that were compared light micrographs the reference collection. Product B1 contained made exclusively beech (Fagus sylvatica) declaration indicated address producer, Serbia which allowed traceability wood. The selection species product consisted red oak (Quercus...

10.26614/les-wood.2020.v69n02a02 article EN cc-by-nc Les/Wood 2020-12-30

Dendrochronology, the science of dating tree rings in wood, defines which calendar year a particular ring was formed. The method can be used to determine age and authentication wooden musical instruments. We present protocol describing how perform dendrochronological analysis on stringed instruments interpret dating. describes basic steps top plates, are usually made Norway spruce (Picea abies) or, more rarely, silver fir (Abies alba). First, plate is carefully inspected, then widths...

10.3791/64591-v article EN Journal of Visualized Experiments 2022-10-06

Painted chests are an important part of museum collections folk art in the Alpine region. At Gorenjska Museum Kranj, we examined over 30 mostly made Norway spruce (Picea abies) and selected 18 them for dendrochronological analysis. We took high resolution images radial boards constructional parts tree-ring analyses. constructed chronologies each chests. Nine were dendrochronologically dated (eight one silver fir) with end dates ranging from 1742 to 1882. The study chest fir (Abies alba) is...

10.26614/les-wood.2020.v69n01a03 article EN cc-by-nc Les/Wood 2020-06-20

Dendrochronology, the science of dating tree rings in wood, defines which calendar year a particular ring was formed. The method can be used to determine age and authentication wooden musical instruments. We present protocol describing how perform dendrochronological analysis on stringed instruments interpret dating. describes basic steps top plates, are usually made Norway spruce (Picea abies) or, more rarely, silver fir (Abies alba). First, plate is carefully inspected, then widths...

10.3791/64591 article EN Journal of Visualized Experiments 2022-10-06
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