Name: POPA- Fisheries Observer Program of the Azores: Turtle sightings in the Azores tuna fishery from 2000 on: during navigation or search mode.
License: This work is licensed under a Creative Commons Attribution Non Commercial (CC-BY-NC) 4.0 License

Sightings of turtles 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: Turtle sightings in the Azores tuna fishery from 2000 on: during navigation or search mode. https://dx.doi.org/10.14284/13

Published

September 17, 2025 at 09:48

License

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

URL

http://ipt.vliz.be/eurobis/resource?r=popa_turtles_sightings_azores_1998_2013

Archive

https://ipt.vliz.be/eurobis/archive.do?r=popa_turtles_sightings_azores_1998_2013

Contacts

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

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

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

3,621

total submitted occurrences

3,621

accepted occurrences

3,621

measurements and facts

taxa

species

Taxa

Missing and invalid fields

Field	Missing	Invalid
maximumDepthInMeters	3,621		100.0%
minimumDepthInMeters	3,621		100.0%

Quality flags

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

Flag	Dropped	Records
NO_DEPTH		3,621	100.0%
ON_LAND		32	0.9%

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

Taxa

Missing and invalid fields

Quality flags

Measurement types

DNA derived data