EMI
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You are here: HomeResearchIntegrative Marine EcologyLaboratories of the EMI DepartmentBiogeochemistry and Physiology of Plankton Laboratory

Coordinator: Christophe Brunet

Activity

The laboratory of Biogeochemistry and Physiology of Plankton is a multidisciplinary laboratory that uses and develops different approaches dedicated to the study of biogeochemistry and physiology of marine phytoplankton. The laboratory covers research activities related to biological oceanography, biogeochemistry and ecophysiology of marine phytoplankton. Mostly, the laboratory BioFilP implements activities and techniques for the study of the responses of marine microalgae to environmental forcing, with the aim to understand the pelagic ecosystem functioning and the potential use of microalgae in "Blue Growth".

Experimental systems

  • Room and cultivation system for microalgae, with development of different types of illumination systems suitable for microalgal growth.
  • Pelagic mesocosms for in situ experiments.

Analysis

  • Photosynthetic rate and regulation of photosynthesis in microalgae.
  • Pigments of photosynthetic organisms.
  • Bio-optics of water masses and microalgal cultures.
  • Antioxidant activities in microalgae.
  • Concentrations of macronutrients in the water masses and in microalgal cultures.
  • Spectral light in the water masses.

Equipment

  • HPLC analysis for pigments.
  • PAMs: Dual-pam and PSI.
  • Autoanalyzer for nutrient concentration analysis.
  • Spectrophotometer.
  • Spectroradiometer in situ probe.
  • Bio-optical in situ probe (AC-9).
  • Laminar flow hood.
  • Room and cultivation system for microalgae.

 

Algal growth under blue light

Algal growth under red light

Algal growth under a mixture of blue and red lights

Filtration of the samples for further analysis from microalgal culture

Measurement of the photosynthetic rate with DUAL-PAM

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