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PhD position

The Chair of Silviculture is offering a PhD position | term for filing application: 31.10.2019
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The Chair of Silviculture is offering a

PhD position
Part-time position (75 %), Start-date: 01.01.2020

The Chair of Silviculture at the University of Freiburg offers a PhD position to carry out research on

 “The influence of structural, functional, and species diversity on temporal stability of productivity and efficiency of resource

use in a tropical mixed-species plantation”

The position is anticipated to start in January 2020 and will run for three years.


Project Description:

Owing to past deforestation and ecosystem degradation there is a large need and potential for afforestation in tropical and subtropical regions. Mixed-species plantations offer an opportunity to establish forests that may be more productive and offer ecosystem services at a higher level than monocultures. However, whether diverse tree plantations are in fact more resilient to droughts and whether they use nutrients and water more efficiently than monocultures has not been sufficiently studied, in particular not in tropical regions. Using stem discs from the recently harvested “Sardinilla” tree diversity experiment in Panama, with 16 years the oldest of its kind, we will analyse whether there is a stabilizing effect of tree neighbourhood diversity, the scale at which tree-tree interactions occur, on the productivity and resource use dynamics (water and nutrients) of trees over time. This will be the first study that assesses woody biomass production, water-use efficiency, and nutrition accumulation in combination and at an annual resolution, and over a relatively long time period (16 years) in tropical trees. The proposed analyses of tree diversity effects during wet and very dry periods is particularly relevant for future plantations against the background of projected climate change.


Expected profile of candidate’s qualification:

The successful candidate with a master's degree is expected to carry out dendro-ecological an dendro-chemical analyses on the stem discs of harvested trees. This includes growth-ring analyses and the quantification of nutrients and the isotopic composition of C and O in individual year rings to identify drought stress in trees. Applicants should have a good background in dendro-ecological analyses, tree physiology and nutrition, and very good quantitative and statistical skills. Proficiency in English (writing/speaking) is indispensable.


Applications must include a motivation letter, CV, copies of certificates, copies of publications or a thesis and names and contact details of two academic referees.


Further information will be provided by Prof. Dr. Jürgen Bauhus (juergen.bauhus@waldbau.uni-freiburg.de) or Dr. Julia Schwarz (Julia.schwarz@waldbau.uni-freiburg.de). 

The salary will be determined in accordance with TV-L E13.
We are particularly pleased to receive applications from women for the position advertised here.

Please send in a complete and convincing application in English with the above-mentioned supporting documents including the reference number 00000727, by date 31.10.2019 at the latest. Please send your application to the following address in written or electronic form:
Albert-Ludwigs-Universität Freiburg
Professur für Waldbau
Tennenbacher Str. 4
79106 Freiburg
E-Mail (please as a single PDF file):
ursula.eggert@waldbau.uni-freiburg.de
For further information, please contact Herr Prof.Dr. Juergen Bauhus on the phone number +49 761 203-3677 or E-Mail juergen.bauhus@waldbau.uni-freiburg.de.
General and legal remarks:
Full-time positions may generally be split up into two or more part-time positions, provided that there are no formal or legal barriers. Candidates are selected in accordance with the provisions of the AGG (Allgemeines Gleichbehandlungsgesetz - German General Equal Treatment Act).
Applicants with disabilities (Schwerbehinderte Menschen) will be given preferential consideration in case of equal qualification.
The department offering the position is liable for the content of this job posting. Textual errors do not constitute a basis for any claims or rights. The relevant human resources department has sole responsibility for all legal transactions made within the context of the selection and hiring process.
Please note that breaches in privacy and unauthorized access by third parties cannot be excluded in communication by unencrypted email.
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