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To improve your experience, we use cookies to store certain browsing information and provide secure navigation, and to collect statistics with a view to improve the site’s features. For a complete list of the cookies we use, download “Ghostery”, a free plug-in for browsers which can detect, and, in some cases, block cookies.

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These cookies allow us to analyse site use in order to measure and optimise performance. They allow us to store your sign-in information and display the different components of our website in a more coherent way.

These cookies are used by advertising agencies such as Google and by social media sites such as LinkedIn and Facebook. Among other things, they allow pages to be shared on social media, the posting of comments, and the publication (on our site or elsewhere) of ads that reflect your centres of interest.

Our EZPublish content management system (CMS) uses CAS and PHP session cookies and the New Relic cookie for monitoring purposes (IP, response times).

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For more information about the cookies we use, contact INRA’s Data Protection Officer by email at or by post at:

24, chemin de Borde Rouge –Auzeville – CS52627
31326 Castanet Tolosan CEDEX - France

Dernière mise à jour : Mai 2018




Centre Alpin sur les Réseaux Trophiques et Ecosystèmes Lacustre


Microscope optique droit avec systèmes d'acquisition d'images
© INRAE, Upright optical microscope with image acquisition system

Upright optical microscope with image acquisition system
Used to perform diatom analyzes.


Microscopes inversés avec systèmes d'acquisition d'images
© INRAE,inverted microscopes with image acquisition systems
Microscopes inversés avec systèmes d'acquisition d'images suite
© INRAE, inverted microscopes with image acquisition systems

Inverted microscopes with image acquisition system
Used to perform phytoplankton and diatom analyzes.


Microscope droit avec systèmes d'acquisition d'images
© INRAE, Upright microscope with image acquisition system

Upright microscope with image acquisition system
Used to perform zooplankton analyzes.


Sonde spectrofluorimétrique
© INRAE, Spectrofluorimetric probe

Spectrofluorimetric probe
The spectrofluorimetric bbe probe is a submersible probe which makes it possible to obtain the concentration in μg equivalent of chl a.L-1 of various algal classes, continuously along the water column of a lake.


Thermocycleur pour PCR
© INRAE, Thermocycler for PCR (Polymerase Chain Reaction)

Thermocycler for PCR (Polymerase Chain Reaction)
This technique is used to exponentially amplify a specific DNA fragment. To achieve this, a thermocycler is used.
This technique has many applications in molecular biology (cloning, sequencing, DGGE, ...)


systeme PFGE
© INRAE, PFGE system (Pulse Field Gel Electrophoresis)

PFGE system (Pulse Field Gel Electrophoresis)
Pulsed field electrophoresis technique for separating very large DNA fragments, used for the study of the viral diversity of aquatic environments.


systeme DGGE
© INRAE, DGGE System

DGGE system (Denaturing Gradient Gel Electrophoresis)
Electrophoresis technique allowing the separation of DNA molecules (amplified by PCR) of the same size but different sequences, used for the study of the diversity of microorganisms in aquatic environments.


Thermocycleur pour PCR quantitative
© INRAE, Thermal cycler for quantitative PCR

Thermal cycler for quantitative PCR
A technique for quantifying DNA in real time, used to study function genes.


© INRAE, Spectrophotometer

Used to measure DNA.