Dataset
EurOBIS MeasurementOrFact Open in mapper Explore occurrences
In June 2008 Gaia Research Institute Onlus started a systematic survey of mega-fauna in the Northern Eastern Ionian Sea, in cooperation with the researchers of the Life and System Biology Department of the University of Turin (Italy). GAIA_IONIAN_2008-2018 dataset includes ten years of effort (survey track) and sightings data of marine mammals and marine reptiles collected by experienced marine mammal observers (MMOs) on board of a 12m sailing vessel. MMOs visually inspected both sides (130° angle) of the research vessel, while navigating along random transects. Distance and angle from the track line of each sighting were always recorded.
Citation: Azzolin, M. - Gaia Research Institute Onlus, Italy (2020): Ionian Sea mega-fauna monitoring employing a sailing vessel along random tracks from 2008 to 2018
Published: September 17, 2025 at 10:09
URL: http://ipt.vliz.be/eurobis/resource?r=gaia_ionian_2008-2018
Marta Azzolin
University of Turin; Department of Life Sciences and Systems Biology
Flanders Marine Institute (VLIZ)
Flanders Marine Institute (VLIZ)
Sébastien Saintignan
Gaia Research Institute Onlus
| Field | Missing | Invalid | |
|---|---|---|---|
| coordinateUncertaintyInMeters | 12 | 254 |
|
| maximumDepthInMeters | 384 |
|
|
| minimumDepthInMeters | 384 |
|
The OBIS data quality flags are documented at https://github.com/iobis/obis-qc.
| Flag | Dropped | Records | |
|---|---|---|---|
| NO_DEPTH | 384 |
|
|
| ON_LAND | 14 |
|