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Dr. Georg von Arx - Personal Homepage

Georg von Arx
Organisational unit Landscape Dynamics
Dendrosciences
Address Swiss Federal Research Institute WSL
Zürcherstrasse 111
8903 Birmensdorf

Room Bi HL C 29
Contact Phone: +41 44 739 2316
Fax: +41 44 7392 215
Web / E-Mail http://www.wsl.ch/info/mitarbeitende/vonarx

Research interests

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>>>   NEW TRAINING SCHOOL   <<<

4th International Training School "Quantitative Wood Anatomy using ROXAS – from samples to data"
QWA2017

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>>>   WATCH INSTRUCTION FILM   <<<

Quantitative Wood Anatomy: From Sample to Data for Environmental Research. 2015. G von Arx, A Stritih, K Čufar, A Crivellaro, M Carrer. doi: 10.13140/RG.2.1.3323.0169 (YouTube)
QWA film

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>>>   LEARN MORE ABOUT ROXAS   <<<
roxas

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I am interested in intra- and inter-annual growth of trees, shrubs and non-woody plants, and the intrinsic and extrinsic processes and factors influencing it. Form fits function – with this simple concept in mind, I use anatomical properties of cells in the xylem and other tissues to learn about tree and plant functioning, particularly regarding water and carbon relations. In dated tree rings, this allows me to obtain detailed insight into centuries of tree growth and how it was influenced by environment.

Furthermore, I am interested in forest ecology, particularly in the interactions between forest structure and microclimate, and tree regeneration; and in plant ecology, particularly in phenotypic plasticity, life-history changes and growth responses in perennial forbs to changing environments

Keywords

Anatomical wood density, carbon cycle, cell wall thickness, climate change, dendroecology, dendrometers, eco-physiology, environmental variability, growth, herb-chronology, hydraulics, hydraulic conductivity, image analysis, lumen area, mechanistic understanding, non-structural carbohydrates (NSC), rays, P50, parenchyma, phloem, quantitative wood anatomy, ROXAS, specific leaf area, time series, tree-ring anatomy, tree growth, tracheids, vessels, vessel grouping, vulnerability curves, water cycle, xylem

Software

ROXAS is a tool for the quantitative analysis of cell anatomical features such as lumen area, cell wall thickness and cell topology in trees (angiosperms and conifers), shrubs and herbaceous plants. Many options for optimizing and customizing the analysis help to produce high-quality anatomical data with comparably little effort. Data output is for each cell, as well as in summarized form for each annual ring. Read more...

Teaching and Training

  • Workshop "Methods of quantitative and functional wood anatomy" (16 May 2017), TRACE, Kaliningrad (RU) (info)
  • 4th International Training School "Quantitative Wood Anatomy using ROXAS – from samples to data" (13-17 Mar 2017), LTRR, Tucson (USA) (info)
  • 3rd International Training School "Quantitative Wood Anatomy using ROXAS – from samples to data" (20-24 Jun 2016), San Vito (I) (flyer)
  • Training school "Quantitative wood anatomy using ROXAS" (2-4 Feb 2016, Siberian Federal University, Krasnoyarsk (RU) (program)
  • Instruction film "Quantitative Wood Anatomy: From Sample to Data for Environmental Research" (2015; by G von Arx, A Stritih, K Čufar, A Crivellaro, M Carrer. doi: 10.13140/RG.2.1.3323.0169" (video)
  • 2nd International Training school “Quantitative wood anatomy – from sample to data” (8-12 Jun 2015), San Vito (I) (flyer)
  • 1st International Training school “Quantitative wood anatomy – from sample to data” (18-21 Nov 2014), Birmensdorf (CH) (report)
  • Lecture “Functional Plant Ecology” (701-1410-00L; master course), 2012, Institute of Integrative Biology, ETH Zurich (CH)

 

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