Dataset

POPA- Fisheries Observer Program of the Azores: Seabird sightings in the Azores tuna fishery from 2000 on: during navigation or search mode

EurOBIS MeasurementOrFact Open in mapper Explore occurrences

Sightings of birds were recorded daily, at 6 different fixed periods (snap shots), when the boat was in navigation or search mode.

Citation
Machete, M.; Institute of Marine Research (IMAR), Portugal; Department of Oceanography and Fisheries, University of the Azores (DOP/UAC), Portugal; (2016): POPA- Fisheries Observer Program of the Azores: Seabird sightings in the Azores tuna fishery from 2000 on: during navigation or search mode. https://dx.doi.org/10.14284/11
Published
September 17, 2025 at 08:37
License
This work is licensed under a Creative Commons Attribution Non Commercial (CC-BY-NC) 4.0 License

Contacts

Institute of Marine Research
Institute of Marine Research

University of the Azores; Department of Oceanography and Fisheries
University of the Azores; Department of Oceanography and Fisheries

57,804
total submitted occurrences
57,798
accepted occurrences
57,804
measurements and facts
22
taxa
16
species

Taxa

Missing and invalid fields

Field Missing Invalid
maximumDepthInMeters 57,804
100.0%
minimumDepthInMeters 57,804
100.0%
scientificNameID 3
0.0%

Quality flags

The OBIS data quality flags are documented at https://github.com/iobis/obis-qc.

Flag Dropped Records
NO_DEPTH 57,804
100.0%
ON_LAND 974
1.7%
NOT_MARINE 6
0.0%
MARINE_UNSURE 3
0.0%

Measurement types

DNA derived data