Setting up a hydrological, meteorological and erosion monitoring system on three very different plots of lands was designed to enhance understanding of how various types of land status and use impact sediment flow. This is a major issue in terms of drinking water catchments for local communities. Now fully operational, the system has led to innovative partnerships coordinated by the Northern Province, in particular with ONFi, IRD and the University of New Caledonia. Such partnerships ensure sustained use of the system and provide an opportunity for research to feed directly into provincial policies (contact: Caroline Tramier - [email protected]).