Quantitative and qualitative analysis of phytoplankton species found between 1968-1970 in the North Sea and Northeast Atlantic Ocean. The data were digitized in the frame of the 4DEMON project and LifeWatch.

Citation: Clarysse R.; Louis A.; Laboratorium van Algologie. KUL: Belgium; (2019): Phytoplankton studies in the North Sea and the Northeast Atlantic Ocean between 1968 and 1970. Marine Data Archive. https://dx.doi.org/10.14284/372

Published: September 17, 2025 at 09:11

URL: http://ipt.vliz.be/eurobis/resource?r=phytoplankton_nsea_neatlantic_1968-70

Louis
KU Leuven

Clarysse
KU Leuven

KU Leuven
KU Leuven

Vlaams Instituut voor de Zee
Vlaams Instituut voor de Zee

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

4,121

occurrence records

4,797

measurements and facts

186

taxa

176

species

Taxa

Missing and invalid fields

Field	Missing	Invalid
coordinateUncertaintyInMeters	4,121		100.0%
maximumDepthInMeters	4,121		100.0%
minimumDepthInMeters	4,121		100.0%
scientificNameID	95	11	2.6%

Quality flags

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

Flag	Records
NO_DEPTH	4,121	100.0%
NO_ACCEPTED_NAME	857	20.8%
MARINE_UNSURE	337	8.2%
NO_MATCH	106	2.6%
NOT_MARINE	104	2.5%

Phytoplankton studies in the North Sea and the Northeast Atlantic Ocean between 1968 and 1970

Taxa

Missing and invalid fields

Quality flags

Measurement types

DNA derived data