Dataset

Demersais survey in the Azores between 1996 and 2013

EurOBIS MeasurementOrFact Open in mapper Explore occurrences

Demersal surveys performed with bottom longline during research cruises around Azorean islands and several seamounts. Surveys conducted annually (few exceptions) from 1996 to 2013.

Citation: Menezes, G.; Institute of Marine Research (IMAR - Azores), Portugal; Department of Oceanography and Fisheries, University of the Azores (DOP/UAC), Portugal; (2014): Demersais survey in the Azores between 1996 and 2013. https://dx.doi.org/10.14284/22

Published: September 17, 2025 at 08:37

URL: http://ipt.vliz.be/eurobis/resource?r=demersais_survey_azores_1996_2013

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

9,837
occurrence records
9,837
measurements and facts
153
taxa
149
species

Taxa

Missing and invalid fields

Field Missing Invalid
coordinateUncertaintyInMeters 9,837
100.0%
maximumDepthInMeters 9,837
100.0%
minimumDepthInMeters 9,837
100.0%

Quality flags

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

Flag Dropped Records
NO_DEPTH 9,837
100.0%
ON_LAND 39
0.4%

Measurement types

DNA derived data