Dataset

Underwater fish visual census in the Azores from 1997 to 2015

EurOBIS MeasurementOrFact Open in mapper Explore occurrences

Fish assemblages surveyed by using underwater visual censuses (UVC) down to 40 m. Transects were performed between 1997 and 2015 in the Azores, Portugal. All mobile fish were identified to the lowest possible taxon. Dates, geographic coordinates and species recorded are provided.

Citation
Afonso P; Institute of Marine Research (IMAR - Azores), Portugal; Department of Oceanography and Fisheries (DOP) - UAc, Portugal (2016): Underwater fish visual census in the Azores from 1997 to 2015. https://dx.doi.org/10.14284/210
Published
September 17, 2025 at 10:09
License
This work is licensed under a Creative Commons Attribution (CC-BY) 4.0 License
URL
http://ipt.vliz.be/eurobis/resource?r=scuba_diving_visual_census
Archive
https://ipt.vliz.be/eurobis/archive.do?r=scuba_diving_visual_census

Contacts

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

Pedro Afonso
University of the Azores; Department of Oceanography and Fisheries

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

Mara Schmiing
University of the Azores; Department of Oceanography and Fisheries

5,775
total submitted occurrences
5,773
accepted occurrences
5,775
measurements and facts
74
taxa
69
species

Taxa

Missing and invalid fields

Field Missing Invalid
maximumDepthInMeters 5,775
100.0%
minimumDepthInMeters 5,775
100.0%

Quality flags

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

Flag Dropped Records
NO_DEPTH 5,775
100.0%
ON_LAND 64
1.1%
NOT_MARINE 2
0.0%
NO_ACCEPTED_NAME 2
0.0%

Measurement types

DNA derived data