Name: Total Hydrozoa abundance in the Southern Bight of the North Sea between 1971 and 1972
License: This work is licensed under a Creative Commons Attribution (CC-BY) 4.0 License

Inventory of Hydrozoa species for 51 stations in the Southern North Sea between January 1971 and July 1972.The data are digitized from technical reports in the frame of the 4DEMON project.

Citation

Houvenaghel G.; Laboratoire d'Océanologie. ULB: Belgium; (2018): Total Hydrozoa abundance in the Southern Bight of the North Sea between 1971 and 1972. (http://www.vliz.be/en/imis?module=dataset&dasid=4695) https://dx.doi.org/10.14284/265

Published

September 17, 2025 at 10:14

First registration

September 19, 2019 at 10:00

License

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

URL

http://ipt.vliz.be/eurobis/resource?r=hydrozoa_north_sea_1971_1972

Archive

https://ipt.vliz.be/eurobis/archive.do?r=hydrozoa_north_sea_1971_1972

Contacts

Guy Houvenaghel
Université Libre de Bruxelles

Université Libre de Bruxelles
Université Libre de Bruxelles

Vlaams Instituut voor de Zee
Vlaams Instituut voor de Zee

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

2,700

total submitted occurrences

2,700

accepted occurrences

635

measurements and facts

taxa

species

Taxa

Missing and invalid fields

Field	Missing	Invalid
coordinateUncertaintyInMeters	2,650		98.1%

Quality flags

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

Flag	Dropped	Records
ON_LAND		150	5.6%

Total Hydrozoa abundance in the Southern Bight of the North Sea between 1971 and 1972

Taxa

Missing and invalid fields

Quality flags

Measurement types

DNA derived data