ГЛАВНАЯ » Новости » КОНКУРС на выполнение научной работы (PhD subject) -
Университет Монпелье, программа ZEN

КОНКУРС на выполнение научной работы (PhD subject) -
Университет Монпелье, программа ZEN

 

Тема: Functioning and conservation of seagrass ecosystems
Подача заявок до 6 июня


Работа проводится в рамках программы ZEN - Zostera Experimental Network

 

Информационное письмо

TITLE: Functioning and conservation of seagrass ecosystems

CONTACT: Francesca ROSSI, Unité de recherche ECOSYM - Ecologie des systèmes marins côtiers UMR 5119, Montpellier FRANCE

Tel: 04 67 14 3371

e-mail: francesca.rossi@univ-montp2.fr

key-words:  Biodiversity, food webs, herbivory, detritivory, carbon and nitrogen cycles

SUMMARY: Seagrass ecosystems provide important ecosystem services in coastal areas, including those related to carbon sequestration and cycling as well as organic matter recycling. This PhD project aims at understanding the role played by species interactions of benthic organisms in carbon and nitrogen cycling and in the conservation of eelgrasses (Zostera noltei and Zostera marina). The invertebrates associated to seagrasses such as those inhabiting the sediment (infauna) or the seagrass structures (epifauna) occupy strategic trophic positions, assuring the transfer of basal sources to top predators and greatly affect sediment biogeochemistry, which can be important to seagrass conservation, carbon and nitrogen cycling. Their abundance and functional role may depend on complex biological interactions such competition or predation, as well as interactions with the seagrass structure., with the seagrass and often regulated by biological processes such as predation, facilitation or competition. The project will use an experimental approach, through field survey, deliberate manipulations of organisms and isotopic tracing (δ13C, δ15N et δ34S).A part of the project will contribute to the network ZEN2 (http://zenscience.org/).

For further details, please contact Francesca Rossi by email

 

SOME INTERESTING PAPERS AND BOOKS:

Larkum AWD et al 2007. Seagrasses: biology, ecology and conservation. Springer, The Netherlands

Orth RJ, Carruthers TJB, Dennison WC, Duarte CM, Fourqurean JW, Heck KL, Hughes AR, Kendrick GA, Kenworthy WJ, Olyarnik S, Short FT, Waycott M, Williams SL (2006) A global crisis for seagrass ecosystems. Bioscience 56:987-996

Rossi, F., B. Gribsholt et al. 2008. Context-dependent effects of suspension feeding on intertidal ecosystem functioning. Mar Ecol progr Ser 354:47-57.

Rossi, F., M. Vos, and J. Middelburg. 2009. Species identity, diversity and microbial carbon flow in reassembling macrobenthic communities. 118: Oikos:503-512.

Stachowicz, J., J. Terwin et al. 2002. Linking climate change and biological invasions: Ocean warming facilitates nonindigenous species invasions. Proc Nat Ac Science USA 99:15497-15500.

Thrush, S. F., G. Coco and J. E. Hewitt. 2008. Complex positive connections between functional groups are revealed by neural network analysis of ecological time series. Am Nat 171:669-677.

van der Heide, T., Govers, L.L., de Fouw, J., Olff, H., van der Geest, M., van Katwijk, M.M., Piersma, T., van de Koppel, J., Silliman, B.R., Smolders, A.J.P., van Gils, J.A., 2012. A Three-Stage Symbiosis Forms the Foundation of Seagrass Ecosystems. Science 336, 1432–1434.

Waycott M et al 2009. Accelerating loss of seagrasses across the globe threatens coastal systems. Proc Natl Acad Sci USA 106: 12377-12381

Worm, B., E. B. Barbier et al. 2006. Impacts of biodiversity loss on ocean ecosystem services. Science 314:787-790.

 

SUPERVISORS: Francesca Rossi et Olivier Pringault are benthic ecologists with a good experience in supervising master students. Francesca Rossi ha a solid experience in experimental ecology, biogeochemistry and macrofauna. Olivier Pringault is a microbiologist, with a particular interest in the interactions between macroorganisms and microbes

CANDIDATES: The candidate should have an interest in experimental ecology, will to work abroad for some periods, be rigorous and autonomous in organising field work. During the first year of the thesis, the candidate will be guided towards the experimental ecology and the ecology and functioning of seagrass ecosystems, through the research activity of the two supervisors, which will be part of her/his thesis. From the second year, the candidate should be able to develop small research projects that will be discussed in thigh contact with the supervisors.

The candidate will need to rely on one of the 21 full scholarships of the “Ecole Doctorale SIBAGHE”, which will cover the salary for 3 years. The funding for research are provided from projects attributed to the supervisors.

The selection will be based for 40% on the relative position achieved in the master as compared to the other students (ranking) and for 60% on the oral examination

PROCEDURE TO CANDIDATE:

1-The candidate will contact Francesca Rossi or Olivier Pringault

2- After our first selection, the candidate will be asked to subscribe to the Ecole Doctoral SIBAGHE and send them the CV before 6th June 2014. The subscriptions open 15th April 2014 on the site internet of the ADUM (http://www.sibaghe.univ-montp2.fr/). Support will be given to those not speaking French

3- During this procedure, the candidates should choose 3 of the proposed subjects and give them a priority

4- 18th-19th June, 60 candidates will be asked to present their master subject orally to the Jury. The presentation will last 5 minutes and it will be followed by10 mn of questions.

 

web sites:
http://www.ecolag.univ-montp2.fr/
https://www.researchgate.net/profile/Francesca_Rossi11/
http://scholar.google.com/citations?user=R3GPWkEAAAAJ&hl=en

 

 

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