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Phytoplankton and environmental study in the Southern North Sea between 1974 and 1978
Citable as data publication
Smeets J.; Louis A.; Laboratorium voor Hydrobiologie. KUL: Belgium; (2019): Phytoplankton and environmental study in the Southern North Sea between 1974 and 1978. Marine Data Archive.

Access data
Archived data
Availability: Creative Commons License This dataset is licensed under a Creative Commons Attribution 4.0 International License.

Abundance of phytoplankton species and related environmental parameters for 8 zones in the Southern North Sea between October 1974 and October 1978. The data were digitized from technical reports in the frame of the 4DEMON project. more

A total of 2417 water samples were taken at different depths (0-5-10-15m) at 8 zones (4 East and 4 West) in Belgian waters between 02 October 1974 and 19 October 1978. The dataset provides information on abundances and densities (cell counts per liter) of the most abundant phytoplankton species and an overview is given on corresponding abiotic components to describe the dynamic and chemical character of the environment.

Biology > Plankton > Phytoplankton, Water composition
Marine/Coastal, Environmental variables, Phytoplankton, ANE, Belgium, Belgian Continental Shelf (BCS), ANE, North Sea, Southern Bight, EurOBIS calculated BBOX

Geographical coverage
ANE, Belgium, Belgian Continental Shelf (BCS) [Marine Regions]
ANE, North Sea, Southern Bight Stations [Marine Regions]
Coordinates: Long: 2,9111; Lat: 51,2417 [WGS84]
Coordinates: Long: 2,7417; Lat: 51,2556 [WGS84]
Coordinates: Long: 2,5972; Lat: 51,2681 [WGS84]
Coordinates: Long: 2,4028; Lat: 51,275 [WGS84]
Coordinates: Long: 3,1972; Lat: 51,3431 [WGS84]
Coordinates: Long: 3,175; Lat: 51,3431 [WGS84]
Coordinates: Long: 3,0889; Lat: 51,4264 [WGS84]
Coordinates: Long: 2,9611; Lat: 51,4764 [WGS84]
EurOBIS calculated BBOX Stations
Bounding Box
Coordinates: MinLong: 2,7468; MinLat: 51,2973 - MaxLong: 2,7468; MaxLat: 51,2973 [WGS84]

Temporal coverage
2 October 1974 - 19 October 1978


Abundance of biological entity specified elsewhere per unit volume of the water body [BODC]
Air temperature
Ammonium (NH4+)
Calcium (Ca)
Chlorine (Cl)
Chlorophyll c
Chlorophyll a
Chlorophyll b
Development stage of biological entity specified elsewhere [BODC]
Iron (Fe)
Magnesium (Mg)
Nitrate (NO3-)
Nitrite (NO2-)
Organic matter (OM)
Oxygen (O) in gas
Oxygen (O) saturation
Phosphate (PO43-)
Phytoplankton abundance
Potassium (K)
Sea-floor depth (below mean sea level) {bathymetric depth} [BODC]
Silica (SiO2)
Sulphate (SO42-)
Temperature in water
Volume of sample [BODC]
Wind direction
Wind force

Vlaams Instituut voor de Zee (VLIZ), moredata manager
KU Leuven (KULeuven), moredata creatordata creator

Related datasets
Parent dataset:
Historical phytoplankton and environmental research data from the Laboratory for Hydrobiology, KULeuven, more
Published in:
EurOBIS: European Ocean Biodiversity Information System, more
(Partly) included in:
Marine phytoplankton community composition data from the Belgian part of the North Sea, 1968-2010, more

4DEMON: 4 Decades of Belgian Marine monitoring: uplifting historical data to today's needs, more

Based on this dataset
Smeets, J. (1980). Ekologische en fytoplanktonische studie van de zuidelijke Noordzeewateren (met inbegrip van geofysische en hydrodynamische gegevens). PhD Thesis. Katholieke Universiteit Leuven (KUL): Leuven. vol. 1-3 pp., more

Dataset status: Completed
Data type: Data
Data origin: Research: field survey
Metadatarecord created: 2015-03-25
Information last updated: 2020-02-24
All data in the Integrated Marine Information System (IMIS) is subject to the VLIZ privacy policy