The purpose of the public contract is to carry out:

- river sampling,

- determination of species,

- banking of data,

- analysis and interpretation of data,

- drafting of a compendium of fact sheets on fish and macrocrustacean populations and diatomaceous populations.

It consists of 2 lots

The object of this contract is the implementation of sampling of fish and macrocrustaceans, the banking of data, the analysis and interpretation of data and the drafting of "stations" sheets relating to the populations of the rivers of Reunion

The object of this contract is the implementation of diatom sampling, banking, analysis and interpretation of data and the drafting of "stations" sheets relating to diatomaceous stands in the rivers of Reunion