Departure places of vessels owned by companies authorized to carry out tourist operations for the observation of cetaceans in the waters of mainland Portugal, as stipulated in Decree-Law no. 9/2006 of 6 January.

Location spots of geological elements with recognized scientific, educational, aesthetic and cultural value. This dataset relates only to the geosites of Portugal mainland on marine and / or coastal locations..

This dataset refers to the wild bird species, identifying the species and their distribution, that causes specific attention under the PSRN2000. Noteworthy are (i) the globally threatened species; (Ii) threatened species at European level and whose distribution is confined to Europe; (Iii) those who, being threatened in Europe but having a wider distribution, have unfavorable laws in Portugal, and (iv) all species with threatened status in Portugal and which are included in Annex I of the Birds Directive. In this case it was considered only the aquatic and marine birds belonging to special protection areas (SPAs) marine, estuarine and coastal waters.

The Biosphere Reserves are samples representing of marine, land or coastal ecosystems, promoting solutions to reconcile the conservation of biodiversity with its sustainable use. Internationally recognized (UNESCO Man & Biosphere Programme), designated by national governments and remaining under sovereign jurisdiction of the states where they are located. Throughout its zonation (core, buffer and transition) have to promote three functions: conservation of natural and cultural heritage, sustainable development, dissemination and knowledge. Only the core area requires legal protection and may correspond to a pre-existing protected area as a reserve or natural park. This dataset relates only to the marine and/or coastal biosphere reserves.

Biogenetic Reserves Network of the Council of Europe in Portugal mainland. These reserves were integrated into the National Network of Protected Areas, so this dataset at this time has only a historical character.These dataset relates only to biogenetic reserves that are located in marine, estuarine and coastal environments.

Community importance areas in national territory in which are applied necessary measures to maintain or restore the conservation status of wild bird populations listed in Annex I and their habitats, as well as migratory bird species not listed in the annex but whose occurence on national territory is regular. This dataset only includes SPA's with marine, coastal and estuarine/laggoon environment.

Areas of activity by companies authorized to carry out tourist operations for the observation of cetaceans in the waters of mainland Portugal, as stipulated in Decree-Law no. 9/2006 of 6 January.

This Biosphere Reserve includes the totality of the Berlengas archipelago, as well as the adjacent marine area to a maximum depth of 520m. The importance of Berlengas as an island ecosystem, the biological value of the surrounding marine area, the botanical interest, its role as a place of passage and habitat of migratory waterbirds and the presence of interesting underwater archaeological heritage give the Berlengas an obvious ecological and cultural interest. In this dataset are included 3 levels of zone protection: Core Zone; Buffer zone; Transition zone. The use of this resource does not exempt the consultation of the official documents.

Important Bird Areas, or IBAs, are areas designated according to objective criteria defined by BirdLife International. They are priority sites for conservation of endangered birds. They are assumed internationally and identified through the application of scientific criteria. They are also considered strategic points for bird watching. The IBAs considered in this dataset refer only to sites located in marine and coastal areas.

Protection zones map integrated on the Management Plan of Ria Formosas Natural Park published by the RCM n.º 78/2009, dated 2 September. Represents one of the map produced in the Space Planning phase of the Plan, published at 1: 25000 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.