Areas which, through scientific criteria, have been identified as important for the healthy functioning ecologically and biologically of oceans and the services that they provide.

Dtaset within the framework of the SNIMar project, which consists of the georeferencing of a set of sites on the Coast of Mainland Portugal where seabird and aquatic birds can be observed.

This dataset was prepared under the Sectoral Plan of Natura 2000, corresponding to the level 3 of the natural habitats of comunity interest listed in Annex I of the Habitats Directive. This dataset only concernes to the marine and coastal habitats.

Delimitation and classification of coastal and estuarine-lagoon areas of molluscs and bivalve production located in the mainland published by Diário da República (the Portuguese Official Gazette) Nº. 78/2015, 2nd series of 2015-04-22, Order Nº. 4022/2015. To check the status of classification and / or the most current bans associated with the areas it is recommended to consult the IPMA page dedicated to the matter from 'http://www.ipma.pt/en/pescas/bivalves'.

Delimitation of the Special Areas of Conservation (SAC) of the Azores Autonomous Region. Vectorial cartography relative to the limits of the Natura 2000 sites of the Azores, published by the Regional Legislative Decree No. 20/2006/A, June 6 (amended by the Declaração de Retificação No. 48-A/2006 of 7 August, and the Regional Legislative Decree No. 7/2007/A, 10 April).

The atlas of breeding birds in Portugal provide information about distribution at certain moment in breeding species in mainland Portugal. In the cases where it is possible also characterize the abundance of national populations of these species. In the present CDG, the data relate only to marine and coastal birds.

Delimitation of the Special Protection Areas (SPA) of the Azores Autonomous Region. Vectorial cartography relative to the limits of the Natura 2000 sites of the Azores, published by the Regional Legislative Decree No. 20/2006/A, June 6 (amended by the Declaração de Retificação No. 48-A/2006 of 7 August, and the Regional Legislative Decree No. 7/2007/A, 10 April).

This layer provides geographic information related to the colonies of the seabird "Larus michahellis" (Yellow-legged Gull) in the Azores.

This layer provides geographic information related to a predictive distribution modelling for cold-water coral genus Viminella in the Azorean sea.

This layer provides geographic information related to a predictive distribution modelling for cold-water coral genus Callogorgia in the Azorean sea.