The GIP Seine et Yvelines Environnement manages ecological compensation sites on behalf of various public and private project owners with whom it is contractually engaged. In order to assess the impact of the compensatory measures implemented, the GIP carries out the necessary ecological monitoring in order to know the evolution of the natural environments and the populations of target species:
- Monitoring of Flora and Habitats
- Monitoring of nesting birds
- Monitoring of bats
- Reptile tracking
- Insect fauna monitoring
- Amphibian tracking
- Terrestrial mammal monitoring
- Dendrometric monitoring
- Monitoring of bat roosts

LOT-0001
1
Ecological monitoring of natural compensation sites Lot 1.
Ecological monitoring of natural compensation sites lot 1 - 12 ecological monitoring sites
Inventories according to standardized protocols for fauna, flora and habitat, transect and other surveys indicated to the CCTP, data analysis, preparation of reports, mapping, summary and rigorous analysis

LOT-0002
2
Ecological monitoring of natural compensation sites Lot 2.
Ecological monitoring of natural compensation sites lot 1 - 10 ecological monitoring sites
Inventories according to standardized protocols for fauna, flora and habitat, transect and other surveys indicated to the CCTP, data analysis, preparation of reports, mapping, summary and rigorous analysis