Spisula survey on the Dutch coastline between the eastern Wadden Sea and IJmuiden.

Citation: van der Heijden L (2025). Dutch coast monitoring - Natuurlijk Veilig: Spisula survey

Published: September 17, 2025 at 09:13

URL: https://ipt.vliz.be/eurobis/resource?r=dutch-coast-spisula-survey

Wageningen University and Research Centre; Institute for Marine Resources and Ecosystem Studies
Wageningen University and Research Centre; Institute for Marine Resources and Ecosystem Studies

Luuk van der Heijden
Deltares

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

21,822

occurrence records

23,900

measurements and facts

taxa

species

Taxa

Missing and invalid fields

Field	Missing
coordinateUncertaintyInMeters	21,822	100.0%
maximumDepthInMeters	21,822	100.0%
minimumDepthInMeters	21,822	100.0%

Quality flags

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

Flag	Dropped	Records
NO_DEPTH		21,822	100.0%
ON_LAND		46	0.2%

Dutch coast monitoring - Natuurlijk Veilig: Spisula survey

Taxa

Missing and invalid fields

Quality flags

Measurement types

DNA derived data