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

URL: http://ipt.vliz.be/eurobis/resource?r=popa_marine_birds_sightings_2000_2013

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
occurrence records
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