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Danny Tholen via ecophys%40net.bio.net (by thalecress+p from gmail.com)
Mon May 29 12:19:29 EST 2017

Dear all,

Please distribute to anyone interested.

many thanks,

Danny Tholen


A tree-year PhD position funded by the Austrian Science Fund (FWF) will
become available  at the Institute of Botany, University of Natural
Resources and Applied Life Sciences (Universität für Bodenkultur,
www.boku.ac.at) Vienna, Austria. Tentative start date of the project is
October 2017.

Leaves have an intricate structure that is well-known to affect their
ability to perform photosynthesis. It remains difficult to describe
quantitatively how anatomical features, such as cell shape, chloroplast
positions, etc. affect the photosynthetic process . Although
three-dimensional reaction diffusion models of  the leaf anatomy have been
developed, they have not often been parametrized by accurate measurements
of anatomy and physiology.

Recent work has shown that leaf anatomy can change rapidly under drought
stress, and this provides an interesting opportunity to examine the effect
of anatomy on leaf photosynthesis in detail. To this end, high-resolution
three-dimensional images are obtained for poplar leaves exposed to water
deficits. At the same time, the photosynthetic performance of the leaves
will be characterized by gas-exchange measurements. The anatomy observed
during these experiments will be analysed using state-of-the-art reaction
diffusion models of the leaf. Apart from visits to collaborators (France,
Canada and/or Japan), work will be based in Vienna.

The ideal candidate has experience electron and/or light microscopy, sample
preparation (including microtome), gas-exchange, leaf hydraulic
measurements and good English writing skills. Courses in various
ecophysiological techniques relevant to the project will also be offered
during the studies.

Interested candidates can contact Danny Tholen (thalecress+p At gmail.com).
Formal applications including a curriculum vitae, a letter explaining why
you are interested in this research and two letters of support should be
received before July 15.

Daniel Tholen
Institute of Botany
University of Natural Resources and Applied Life Sciences (BOKU)
Gregor Mendel-Str.33
1180 Vienna, Austria
tel: +43-1-47654-83112
fax: +43-1-47654-83109
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