The activity calendars of fishing vessels reconstituted each year provide access to the following monthly fishing data: main operating port, number of pepole on board, number of days at sea and of, trade (s) practiced ( s), exploited fishing areas and their distance from the coast. Annual data on the dimension and mesh size of the engines used to practice a trade are also provided.

SACROIS is a data crossing algorithm that produces professional fishing activity data series (validated, consolidated and qualified production and effort data) for the vessels registered in the Community Fishing Fleet (CFP) file. SACROIS selects the best of the available information sources to produce the reference fishing activity data. SACROIS consists of an operational application for reconciliation, verification and consistency checks of different unitary data streams. The SACROIS algorithm does not correct the data, its objective is to : - provide the best possible estimate of the various elements making up a tide from the available data sources - to identify the incompleteness of the various data sources and to propose a synthesis completed by indicators of data qualification resulting from the crossings. Twice a month, the SACROIS algorithm produces a new data source, a synthesis of all the available data sources: the reconstructed SACROIS tides. The SACROIS data have been calculated since 2000 for all fleets for which data are available: - North Sea - Channel - Atlantic (excluding tropical seiners), - Mediterranean (excluding bluefin seiners), - DOM (Reunion, Mayotte, French Guiana and the West Indies).

The national multidisciplinary RECOPESCA programme is a collaboration between volunteer fishermen and scientists for the automated collection of geolocated physical and fisheries environmental data from the coastal domain. The principle consists of installing sensors on gear to measure environmental parameters, from the surface to the bottom, and to record detailed data on fishing activity and effort. The data acquired feeds the operational coastal oceanography database (coastal component of Coriolis) and the fisheries database of the SIH (Harmonie). The programme thus responds to research issues (physical and fisheries), the implementation of the ecosystem approach to fisheries, support for public policies (DCSMM, DCF, CMEMS) and Ifremer's innovation in the coastal field.