Dataset

Ornithological observations in the southeast of the North Sea between June 1971 and January 1972

EurOBIS MeasurementOrFact Open in mapper Explore occurrences

Counts of marine bird species observed during three oceanographic cruises in the South-eastern part of the North Sea on board of the A962 "Mechelen" between June 1971 and January 1972. The data were digitized by VLIZ from the original report: Joiris, C. (1972). Observations ornithologiques réalisées dans le sud-est de la Mer du Nord entre juin 1971 et janvier 1972: 1. Oiseaux marins.

Citation: Joiris C.; Laboratorium voor Ekologie en Systematiek. VUB: Belgium; (2016): Ornithological observations in the southeast of the North Sea between June 1971 and January 1972. (http://www.vliz.be/en/imis?module=dataset&dasid=5161) https://dx.doi.org/10.14284/136

Published: September 17, 2025 at 09:11

URL: http://ipt.vliz.be/eurobis/resource?r=ornithological_observations_in_the_southeast_of_the_north_sea_between_june_1971_and_january_1972

Vrije Universiteit Brussel; Faculteit Wetenschappen; Vakgroep Biologie; Laboratorium voor Ecologie en Systematiek
Vrije Universiteit Brussel; Faculteit Wetenschappen; Vakgroep Biologie; Laboratorium voor Ecologie en Systematiek

Vlaams Instituut voor de Zee
Vlaams Instituut voor de Zee

Flanders Marine Institute (VLIZ)
Flanders Marine Institute (VLIZ)

1,200
occurrence records
47,918
measurements and facts
30
taxa
24
species

Taxa

Missing and invalid fields

Field Missing Invalid
coordinateUncertaintyInMeters 1,128
94.0%
maximumDepthInMeters 1,200
100.0%
minimumDepthInMeters 1,200
100.0%

Quality flags

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

Flag Dropped Records
NO_DEPTH 1,200
100.0%
ON_LAND 162
13.5%
MARINE_UNSURE 56
4.7%

Measurement types

DNA derived data