POPA- Fisheries Observer Program of the Azores: Marine mammal sightings in the Azores tuna fishery from 1998 on: during navigation or search mode
Sightings of cetaceans were recorded daily, at 6 different fixed periods (snap shots), when the boat was in navigation or search mode. Sightings were recorded at distances shorter and larger than 300 meters from the boat. For more detailed information on the dataset, including abundances estimates, please contact data owner (miguel@uac.pt)
Data and resources
Additional information
| Temporal extent | 1905-06-24 – 2015-09-24 |
|---|---|
| Date (publication) | 2015-02-13 |
| Status | onGoing |
| Update frequency | asNeeded |
| Metadata language | en |
| License | Creative Commons Attribution 4.0 |
| Source metadata | ISO 19115 XML |
| Last updated | 2026-11-04 |
| Created | 2026-11-04 |
| API | package_show |