Sightings (snap shots) of sea turtles collected by Biosphere Expeditions colaborators specifically for POPA. Since 2004 that Biosphere Expeditions (www.biosphere-expeditions.org) collects data for POPA in the Azores central group in April and May.

Citation: Machete, M.; Institute of Marine Research (IMAR), Portugal; Department of Oceanography and Fisheries, University of the Azores (DOP/UAC), Portugal; (2014): POPA- Fisheries Observer Program of the Azores: Sea turtle sightings in the Azores between 2004 and 2013 recorded by Biosphere Expedition. https://dx.doi.org/10.14284/14

Published: September 17, 2025 at 10:08

URL: http://ipt.vliz.be/eurobis/resource?r=be_turtle_sightings_2004_2013

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

occurrence records

taxa

species

Taxa

Missing and invalid fields

Field	Missing
coordinateUncertaintyInMeters	97	100.0%
maximumDepthInMeters	97	100.0%
minimumDepthInMeters	97	100.0%

Quality flags

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

Flag	Dropped	Records
NO_DEPTH		97	100.0%
ON_LAND		2	2.1%

POPA- Fisheries Observer Program of the Azores: Sea turtle sightings in the Azores between 2004 and 2013 recorded by Biosphere Expedition

Taxa

Missing and invalid fields

Quality flags

Measurement types

DNA derived data