Monitoring nitrogen dynamics in the catchment areas of Le Havre Seine Métropole’s water abstraction sites

Summary

Le Havre Seine Métropole is procuring services under a four-year framework agreement to monitor nitrogen dynamics in the catchment areas of its water abstraction sites. The four lots cover campaigns measuring residual soil nitrogen before and after winter and soil analyses; livestock effluent analyses; statistical processing of nitrogen data; and biomass weighing and calculation of nitrogen absorbed by plant cover. The maximum values for the full contract period are €400,000, €60,000, €240,000 and €320,000 excluding VAT, respectively; no minimum values are set.