Dataset

JNCC seabird distribution and abundance data (all trips) from ESAS database

OBIS-SEAMAP Open in mapper Explore occurrences

Original provider: European Seabirds at Sea Dataset credits: Joint Nature Conservation Committee (United Kingdom) Nederlands Instituut voor Onderzoek der Zee (the Netherlands) Ornis Consult (Denmark) National Institute for Coastal and Marine Management/RIKZ (the Netherlands) Nederlands Zeevogelgroep (the Netherlands) Instituut voor Bos- en Natuuronderzoek (the Netherlands) Instituut voor Natuur Behoud (Belgium) National Environmental Research Institute (Denmark) Norsk Institutt for Naturforskning (Norway) Vogelwarte Helgoland (Germany) Abstract: The European Seabirds at Sea (ESAS) database was established in 1991 as a collaboration between individuals and institutes who had collected data on the distribution of seabirds and marine mammals in north-west European offshore areas. The most recent version of this database contains over two million records which were collected over 25 years.

Citation
Dunn, T. 2020. JNCC seabird distribution and abundance data (all trips) from ESAS database. Version 1.6.0. Dataset published in OBIS-SEAMAP. https://doi.org/10.82144/58458ea2.
Published
October 07, 2025 at 20:56
License
This work is licensed under a Creative Commons Attribution Non Commercial (CC-BY-NC) 4.0 License
1,122,886
total submitted occurrences
1,122,012
accepted occurrences
155
taxa
122
species

Taxa

Missing and invalid fields

Field Missing Invalid
coordinateUncertaintyInMeters 1,122,886
100.0%
maximumDepthInMeters 1,122,886
100.0%
minimumDepthInMeters 1,122,886
100.0%
scientificNameID 73
0.0%

Quality flags

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

Flag Dropped Records
NO_DEPTH 1,122,886
100.0%
ON_LAND 5,180
0.5%
NOT_MARINE 864
0.1%
MARINE_UNSURE 174
0.0%
NO_ACCEPTED_NAME 70
0.0%
NO_MATCH 10
0.0%

Measurement types

DNA derived data