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Post Doctorate Position - IFREMER (La Rochelle, France)

We are looking for candidates for a position of 12 months that could be extended to 18 months with a co-financement between IFREMER and Alfred Wegener Institute, beginning in January 2008. Please pass on to any finishing or recently graduated (< 2 years) PhD with skills in ecosystem modelling or quantitative ecology and an interest in ecosystem analysis.

The postdoc is expected to pay 2650 euros per month.

Collaborators:

  • La Rochelle University, Nathalie Niquil Ifremer, Brest, France Cedric
  • Bacher AWI, Lyst, Germany, Harald & Ragnhild Asmus Ifremer, Dinard,
  • France, Nicolas Desroy Agrocampus, Rennes, France, Olivier Le Pape
  • Peche et Océans Canada, Dartmouth, Canada Alain Vezina

French speaking is not necessary.

For more information and for declaration of interest, contact as soon as possible Dr. Nathalie Niquil at nathalie.niquil@univ-lr.fr nathalie.niquil@univ-lr.fr with copy to Cedric Bacher : cbacher@ifremer.fr

Analysis and comparison of the trophic functionning of several european semi-enclosed coastal ecosystems.

Summary

The postdoc aims at analysing and comparing the functioning of several ecosystems, using ecosystem approach and trophic network analysis to assess system properties (maturity, productivity, stability). Three ecosystems will be first assessed, due to the amount of information already available, as well as existing steady state models ­ even though methods are not similar and standardization is needed. Inverse analysis will be improved and applied in order to remediate the actual bias due to the parsimony principle. Network analysis will therefore allow to compare emerging properties of the 3 sites, and to interpret the role and effect of anthropogenic pressures. Other models published in the literature will be gathered to assess differences among various systems described by network analysis indicators. Multivariate methods will be carried out to order and synthetize differences among these systems. Canonical analysis will allow to superimpose drivers and pressures to these categories and to relate differences and structuring variables (hydrodynamics, inputs from the watershed, sediment type, temperature range, etc.) in order to assess system resilience, stability and resistance to perturbations.

Key-words : inverse analysis, trophic network, emerging properties, indicators, pressures

Profile: Numerical analysis applied to ecosystem studies. Network analysis skills will be considered as a positive point.


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