Qualitative study on phytoplankton species found in the western North Sea between 1976 and 1977. The data were digitized from technical reports in the frame of the 4DEMON project.

Citation: Vanlangendonck C.; Louis A.; Laboratorium van Algologie. KUL: Belgium; (2019): Phytoplankton in the western North Sea between 1976 and 1977. Marine Data Archive. https://dx.doi.org/10.14284/339

Published: September 17, 2025 at 08:29

URL: http://ipt.vliz.be/eurobis/resource?r=phytoplankton_in_the_western_north_sea_between_1976_and_1977

Louis
KU Leuven

Vanlangendonck
KU Leuven

KU Leuven
KU Leuven

Vlaams Instituut voor de Zee
Vlaams Instituut voor de Zee

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

3,068

occurrence records

195,300

measurements and facts

taxa

species

Taxa

Missing and invalid fields

Field	Missing	Invalid
coordinateUncertaintyInMeters	3,068		100.0%
maximumDepthInMeters	3,068		100.0%
minimumDepthInMeters	3,068		100.0%
scientificNameID		192	6.3%

Quality flags

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

Flag	Records
NO_DEPTH	3,068	100.0%
NO_ACCEPTED_NAME	668	21.8%
NOT_MARINE	288	9.4%
NO_MATCH	192	6.3%
MARINE_UNSURE	96	3.1%

Phytoplankton in the western North Sea between 1976 and 1977

Taxa

Missing and invalid fields

Quality flags

Measurement types

DNA derived data