Name: PONTUS-BIOFAC Black sea bottlenose dolphin sightings
License: This work is licensed under a Creative Commons Attribution (CC-BY) 4.0 License

Original provider: Kiril Valchev Dataset credits: Kiril Valchev Abstract: The present database is intended to serve as a catalogue for photo-identification of bottlenose dolphins in the Bulgarian Black Sea area. It is part of a larger study of cetaceans in the Exclusive Economic Zone (EEZ) of Bulgaria and in NATURA 2000 protected areas where the species is subject to conservation.

Citation: Valchev, K. 2023. PONTUS-BIOFAC Black sea bottlenose dolphin sightings. Version 1.0.0. Dataset published in OBIS-SEAMAP. https://doi.org/10.82144/497ee417.

Published: October 08, 2025 at 14:05

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

URL: https://ipt.env.duke.edu/resource?r=zd_2277

Contacts:

Kiril Valchev
Kiril Valchev

OBIS-SEAMAP
Marine Geospatial Ecology Lab, Duke University

occurrence records

taxa

species

Taxa

Missing and invalid fields

Field	Missing	Invalid
coordinateUncertaintyInMeters		2	100.0%
maximumDepthInMeters	2		100.0%
minimumDepthInMeters	2		100.0%

Quality flags

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

Flag	Dropped	Records
NO_DEPTH		2	100.0%

PONTUS-BIOFAC Black sea bottlenose dolphin sightings

Taxa

Missing and invalid fields

Quality flags

Measurement types

DNA derived data