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Angebotsdatum: 1. Oktober 2017
Art der Stelle: Doktorarbeit
Fachgebiet: Biologie > Biodiversitätsforschung
Titel des Themas: From the Forest Canopy to the Aquifer: the Role of Microbial Processes in the Origin and Fate of Nitrate in the Earth’s Critical Zone

Institut: Institut für Biodiversität, Friedrich-Schiller-Universität Jena
Adresse:
Dr. rer. nat. Maria Fabisch
Dornburger Str. 159
07743 Jena
Tel.:    Fax.:
Bundesland:
Homepage: http://www.aquadiva.uni-jena.de/GRADUATE+SCHOOL/Open+positions-p-213.html
E-Mail Kontakt: mail

Beschreibung: The Integrated Research Training Group AquaDiva invites applications for a Doctoral Researcher Position (m/f; Ref.No. 254/2017; has already been published under Reg.-No. 129/2017) at the Institute of Biodiversity, Aquatic Geomicrobiology, at the Friedrich Schiller University Jena (FSU)

This project aims to understand, which factors are driving nitrification and nitrogen loss via denitrification or anammox across two superimposed oligotrophic limestone aquifer assemblages in the Hainich Critical Zone Exploratory. To identify key processes and players, rate measurements will be complemented with the analysis of natural abundances of 15N isotopes in nitrate and ammonium and with molecular surveys of the corresponding microbial communities. To assess the influence of surface conditions in groundwater recharge areas, we will follow the microbial transformation of N compounds from forest canopies via soils and seepage water to the groundwater.

Requirements:
- A Master’s degree (or equivalent) in microbiology, biogeochemistry, geo-ecology, or a related discipline in the environmental sciences
- Solid knowledge of microbial ecology of the nitrogen cycle and molecular approaches to investigate microbial communities in environmental samples
- Excellent technical skills in: standard methods of molecular microbial ecology (nucleic acid extraction from environmental samples, PCR, cloning, sequence analysis, standard cultivation techniques of microorganisms, photometric methods of water chemical analysis); experience in the analysis of next generation sequencing data and in 15N-based isotopic approaches would be desirable but are not mandatory
- Readyness to work for extended periods in the field
- Enthusiasm to play an active role in the interdisciplinary research team of AquaDiva
- Highly motivated and creative personalities, with an interest to shape their own thesis project
- Excellent written and oral communications skills in English

We offer:
- A doctoral researcher position (TV-L E13 - salary agreement for public service employees, 65%) starting Nov 1, 2017, with funding until Jun 30, 2021, as well as generous research funding with the possibility of a three-months research stay abroad
- Opportunity for research on an innovative and unique Critical Zone research platform
- A comprehensive mentoring program with supervision by a team of advisors
- A communicative atmosphere within a scientific network providing top-level research facilities and training program, including participation in international and national conferences and workshops
- The place of work is Jena, Germany, a young and lively university town with dynamic business activities, successful scientific centers of innovation, and a vibrant cultural scene around a university with a rich tradition
Methoden: - standard methods of molecular microbial ecology (nucleic acid extraction from environmental samples, PCR, cloning, sequence analysis, standard cultivation techniques of microorganisms, photometric methods of water chemical analysis)
- analysis of next generation sequencing data
- 15N-based isotopic approaches
- field work: e.g., soil/soil water/vegetation parts sampling
Anfangsdatum: 1. November 2017
Geschätzte Dauer: bis 30.06.2021
Bezahlung: TV-L E13 65% (salary agreement for public service
Papers:
Sonstiges: The Collaborative Research Center SFB 1076 “AquaDiva – Understanding the Links between Surface and Subsurface Biogeosphere” is funded by the Deutsche Forschungsgemeinschaft (DFG). AquaDiva is an ambitious research center with more than 70 researchers and Institutes at four faculties of the Friedrich Schiller University Jena (FSU) and three non-university research institutes in Jena or Leipzig. The integrated Research Training Group AquaDiva is educating doctoral researchers in a structured, interdisciplinary training program. AquaDiva combines different research areas, such as ecology, microbiology, hydrogeology, soil science, geomorphology, geochemistry, geology, geophysics, chemistry, and information science, to a comprehensive picture of subsurface research (www.aquadiva.uni-jena.de).

Applications should be written in English. The application deadline is Oct 08, 2017. The position is open until filled. Please e-mail your application (including motivation letter, curriculum vitae, certificates, supporting letters, name and contact information of 3 referees; collected into one single pdf-file) to martina.herrmann@uni-jena.de, and refer to position 254/2017.
Severely disabled applicants with equal qualification and aptitude are given preferential consideration.

More project details: http://www.aquadiva.uni-jena.de/Graduate+school/Open+positions-p-213.html. For more information on the position, feel free to contact Dr. Martina Herrmann (martina.herrmann@uni-jena.de). For other information, please contact the coordinator, Maria Fabisch (maria.fabisch@uni-jena.de).

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