The tide gauges network has stations located at Portugal mainland, Madeira and Azores Archipelagos. The tide gauges from Ponta Delgada , Lajes das Flores(Azores), Funchal (Madeira) and Cascais belong to GLOSS (Global Sea Level Observing System).
Qualified quarries without applicant information. From the Integrated System of Environmental Licensing (SILIAmb)
Inland Electronic Navigational Chart (IENC) means: the database, standardized as to content, structure and format, for use with inland electronic chart display and / or information systems operated onboard of vessels transiting inland waterways. An IENC is issued by or on the authority of a competent government agency, and conforms to standards [initially] developed by the International Hydrographic Organization (IHO) and [refined by] the inland ENC Harmonization Group (IEHC). An IENC contains all the chart information necessary for safe navigation on inland waterways and may contain supplementary information in addition to that contained in the paper chart (e.g. sailing directions, machine-readable operating schedules, etc) which may be considered necessary for safe navigation and voyage planning.
Management plan of the Sado Estuary Natural Reserve published by the RCM n.º 182/2008 of 24 November. Represents one of the map produced in the space planning phase of the Plan, published at 1:10000 scale. Delimits space classes, depending on the dominant use and establishing operative units of planning and management. The use of this resource does not exempt the consultation of the official documents.
Web map service obtained from the processing of distances between bird ringing/recaptures points extracted from the "Ring Access" database wich contain a ring information management, control and recovery of rings. The data are in line format corresponding to the euclidean distance between the spots where the bird sightings were recorded. This service correspondes to the marine and coastal species.