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Cetacea sightings 2021-2023 in Eastern Mediterranean Sea of Türkiye
DMAD-Deniz Memelileri Araştırma Derneği
Dataset credit
Aylin Akkaya, Deniz Memelileri Araştırma Derneği
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Contacts
| Role | Name | Organization | |
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| Primary contact |
Aylin Akkaya |
DMAD-Deniz Memelileri Araştırma Derneği |
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| Data entry |
Ei Fujioka |
Duke University |
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Citation
Akkaya, A. 2025. Cetacea sightings 2021-2023 in Eastern Mediterranean Sea of Türkiye. Version 1.0.1. Dataset published in OBIS-SEAMAP. https://doi.org/10.82144/b2239c4a. Halpin, P.N., A.J. Read, E. Fujioka, B.D. Best, B. Donnelly, L.J. Hazen, C. Kot, K. Urian, E. LaBrecque, A. Dimatteo, J. Cleary, C. Good, L.B. Crowder, and K.D. Hyrenbach. 2009. OBIS-SEAMAP: The world data center for marine mammal, sea bird, and sea turtle distributions. Oceanography. 22(2):104-115.
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Abstract
The data is collected during the dedicated survey effort of DMAD, covering the
Eastern Mediterranean Sea of Türkiye.
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Purpose
The continous visual and acoustic data collection aim to provide scientific
data for the species protection
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Supplemental information
Surveys funded under task order 19F4128 issued to HDR, Inc under IDIQ contract N62470-15-D-8006, NAVFAC Atlantic by U.S. Fleet Forces Command.
Two records were deleted as they did not have coordinates.
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Change History
The dataset has been updated over time as outlined below. Each entry includes the version number, release date, type of change, and a short description.
- 1.0.1 (2025-11-17) - Corrective - Supplemental information is updated.
- 1.0.0 (2025-11-17) - Initial - Dataset is released to the public.
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References
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Attributes
Overview
This section explains attributes included in the original dataset.
The availability of the attributes depends on the share policy.
When "Minimum attributes" is selected, only date/time, lat/lon, species identification and group size are available.
Should you need other attributes described here, you are encouraged to contact the data provider.
When "All attributes" is selected, all attributes are available in download.
Attributes described below represent those in the original dataset provided by the provider.
Only minimum required attributes are visible and downloadable online. Other attributes may be obtained upon provider's permission.
Attributes in dataset
| Attribute (table column) | Description |
|---|
| oid | Unique ID number (generated by OBIS-SEAMAP) |
| course | |
| year | Year |
| month | Month |
| date | Date |
| timeutc | Time in UTC |
| obs_time | Time in local time zone |
| species | Species identification |
| sp_tsn | ITIS Taxonomic Serial Number added by OBIS-SEAMAP |
| sightingno | Sighting number |
| resighting | |
| latitude | Latitude in decimal degrees |
| longitude | Longitude in decimal degrees |
| groupsize | Group size |
| behavior | Behavior |
| subadult | Number of subadults |
| geom | Geometry field added by OBIS-SEAMAP |
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| OBIS-SEAMAP ID | 2325 |
| DOI | 10.82144/b2239c4a |
| Version | 1.0.1 |
| Seabirds | 0 |
| Marine mammals | 123 |
| Sea turtles | 0 |
| Rays and sharks | 0 |
| Other species | 0 |
| Non spatial | 0 |
| Non species | 0 |
| Total | 123 |
| Date, Begin | 2021-02-28 |
| Date, End | 2023-07-13 |
| Temporal prec. | 111111 |
| Latitude | 35.37 - 36.84 |
| Longitude | 28.67 - 36.04 |
| Coord. prec. | 6 decimal digits |
| Platform | Boat |
| Data type | Animal sighting |
| Effort | N/A |
| Registered | 2025-09-18 |
| Updated | 2025-09-22 |
| Status | Published |
Sharing policy |
CC-BY-NC (Minimum) |
| Shared with |
GBIF
OBIS |
| Metadata in static HTML / FGDC / EML |
| See download history / statistics |
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