Netherlands - Ocean Biodiversity Information System

Netherlands

Statistics

Occurrence records	4,314,776
Species level	3,819,992
Species	3,414
Taxa	5,574
Datasets	238
Time range	1753 - 2024

Data quality

Dropped records

Dropped records	0
Not marine	9,830
No WoRMS match	7,517
No coordinates	0
Zero coordinates	0

Taxonomic issues

Marine unsure	24,946
No accepted name available	84,976

Missing and invalid fields

Field	Missing	Invalid
coordinateUncertaintyInMeters	2,311,618	401,052
eventDate	4,355	0
maximumDepthInMeters	3,484,338	0
minimumDepthInMeters	3,727,339	0
occurrenceStatus	17,383	0
scientificName	10	0
scientificNameID	6,746	3,475

Spatial issues

Records on land	1,253,423
More than 20 km from shore	44,438
Depth exceeds bathymetric depth	5

Top datasets

Dataset	Records
O_VLIELAND - Eurasian oystercatchers (Haematopus ostralegus, Haematopodidae) breeding and wintering on Vlieland (the Netherlands) Published 2024-09-04	587,493
DELTATRACK - Herring gulls (Larus argentatus, Laridae) and lesser black-backed gulls (Larus fuscus, Laridae) breeding at Neeltje Jans (Netherlands) Published 2024-09-03	436,287
Dutch long term monitoring of phytoplankton in the Dutch Continental Economical Zone of the North Sea (2000-2018) Published 2025-03-20	323,025
European Seabirds At Sea (ESAS) Published 2025-03-20	306,927
ICES North Sea International Bottom Trawl Survey for commercial fish species Published 2023-03-09	285,724
Royal Netherlands Institute for Sea Research (NIOZ) - Kom Fyke Mokbaai Published 2025-03-20	273,002
LBBG_ZEEBRUGGE - Lesser black-backed gulls (Larus fuscus, Laridae) breeding at the southern North Sea coast (Belgium and the Netherlands) Published 2024-09-04	228,627
O_SCHIERMONNIKOOG - Eurasian oystercatchers (Haematopus ostralegus, Haematopodidae) breeding on Schiermonnikoog (the Netherlands) Published 2024-09-04	171,131
BIS dataset of the south-western part of Netherlands (1985-2004) Published 2025-03-20	134,626
Dutch long term monitoring of phytoplankton in the Dutch Continental Economical Zone of the North Sea Published 2025-03-20	132,744

Distribution

Disclaimer: EEZ boundaries based on Marine Regions (no endorsement).

Records

Composition

detailed (class) simple

Top taxa

Unique species IUCN Red List All taxa Unique species IUCN Red List All taxa Unique species IUCN Red List All taxa

Scientific name	Records
Haematopus ostralegus Linnaeus, 1758 NT Phylum Chordata > Class Aves	955,800
Larus fuscus Linnaeus, 1758 Phylum Chordata > Class Aves	532,639
Larus argentatus Pontoppidan, 1763 Phylum Chordata > Class Aves	218,040
Anguilla anguilla (Linnaeus, 1758) CR Phylum Chordata > Class Teleostei	127,555
Limanda limanda (Linnaeus, 1758) Phylum Chordata > Class Teleostei	122,416
Pleuronectes platessa Linnaeus, 1758 Phylum Chordata > Class Teleostei	91,305
Merlangius merlangus (Linnaeus, 1758) Phylum Chordata > Class Teleostei	86,197
Clupea harengus Linnaeus, 1758 Phylum Chordata > Class Teleostei	83,745
Uria aalge (Pontoppidan, 1763) Phylum Chordata > Class Aves	67,458
Platichthys flesus (Linnaeus, 1758) Phylum Chordata > Class Teleostei	50,650

Newest species

Scientific name	Records	Since
Centrodinium elongatum Kofoid, 1907 Phylum Myzozoa > Class Dinophyceae	1	2023
Pomatoschistus marmoratus (Risso, 1810) Phylum Chordata > Class Teleostei	2	2022
Mulinia lateralis (Say, 1822) Phylum Mollusca > Class Bivalvia	2	2022
Syngnathus fuscus Storer, 1839 Phylum Chordata > Class Teleostei	2	2022
Alcyonidium verrilli Osburn, 1912 Phylum Bryozoa > Class Gymnolaemata	3	2022
Gammarus lacustris G.O. Sars, 1863 Phylum Arthropoda > Class Malacostraca	2	2022
Bathycoccus prasinos Eikrem & Throndsen, 1990 Phylum Chlorophyta > Class Mamiellophyceae	12	2022
Synchaeta hutchingsi Brownell, 1988 Phylum Rotifera > Class Eurotatoria	4	2022
Lithodesmioides polymorpha Stosch, 1987 Phylum Heterokontophyta > Class Bacillariophyceae	18	2022
Asterionellopsis thurstonii J.M. Ehrman, 2017 Phylum Heterokontophyta > Class Bacillariophyceae	4	2022

Data providers

Name	Records
Vlaams Instituut voor de Zee	1,995,057
Vlaamse Overheid - Instituut voor Natuur- en Bosonderzoek	1,821,061
University of Amsterdam, Faculty of Science, Institute for Biodiversity and Ecosystem Dynamics	1,186,557
Royal Netherlands Institute for Sea Research (NIOZ)	955,630
International Council for the Exploration of the Sea	822,604
Deltares	750,164
Ministerie van Infrastructuur en Waterstaat; Rijkswaterstaat	631,039
James Cook University, Townsville	587,493
Radboud University	587,493
Swedish University of Agricultural Sciences	587,493