European Environmental Agency (EEA)
The website hosts several dataset in forms of downloadable data files and maps. It has 4 macro topics (Air and climate, Nature, Sustainability and well-being, Economic sectors). The geographical coverage of almost all dataset is on European level.
Relevant for AMMOD are:
- Biogeographic regions https://www.eea.europa.eu/data-and-maps/data/biogeographical-regions-europe-3
- Natura 2000 https://www.eea.europa.eu/data-and-maps/data/natura-11
Starting point for the EEA public map services is here: