Name: Ecoscope tuna observer data
License: This work is licensed under a Creative Commons Attribution (CC-BY) 4.0 License

Tuna observer data from the Atlantic and Indian Ocean.

Citation: Cauquil, P., Barde, J., Rodriguez, C., Chassot, E., Chavance, P. 2012. Ecoscope tuna observer data. Institut de Recherche pour le Developpement (IRD). https://doi.org/10.15468/mkrtxh

Published: September 17, 2025 at 10:11

License: This work is licensed under a Creative Commons Attribution (CC-BY) 4.0 License

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

Contacts:

Pascal Cauquil
Institut de Recherche pour le Développement

Julien Barde
Institut de Recherche pour le Développement

Céline Rodriguez
Institut de Recherche pour le Développement

Emmanuel Chassot
Institut de Recherche pour le Développement

Pierre Chavance
Institut de Recherche pour le Développement

183,458

occurrence records

taxa

species

Taxa

Missing and invalid fields

Field	Missing
coordinateUncertaintyInMeters	183,458	100.0%
decimalLatitude	18	0.0%
decimalLongitude	18	0.0%
eventDate	183,458	100.0%
maximumDepthInMeters	183,458	100.0%
minimumDepthInMeters	183,458	100.0%
scientificNameID	101	0.1%

Quality flags

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

Flag	Records
NO_DEPTH	183,458	100.0%
ON_LAND	115	0.1%
NO_MATCH	101	0.1%
NO_COORD	18	0.0%

Ecoscope tuna observer data

Taxa

Missing and invalid fields

Quality flags

Measurement types

DNA derived data