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NeMys: World Database of Free-Living Marine Nematodes
Guilini, K.; Bezerra, T.N.; Eisendle-Flöckner, U.; Deprez, T.; Fonseca, G.; Holovachov, O.; Leduc, D.; Miljutin, D.; Moens, T.; Sharma, J.; Smol, N.; Tchesunov, A.; Mokievsky, V.; Vanaverbeke, J.; Vanreusel, A.; Venekey, V.; Vincx, M. (2017) NeMys: World Database of Free-Living Marine Nematodes. Accessed at on yyyy-mm-dd

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

A world checklist of free-living marine Nematodes, compiled by taxonomic experts and based on peer-reviewed literature. more

Free-living marine nematodes represent one of the most diverse groups of organisms present in the marine ecosystem. Species richness estimates range from 10,000 up to > 1,000,000 (Mokievsky & Azovsky 2002, Lambshead & Boucher 2003). Appeltans et al. (2012) suggest that about 85% of the marine nematode species are still unknown to science.
Free-living marine nematodes inhabit basically all marine soft sediments, but they can be present on secondary biofilms and/or hard substrates as well (Moens et al. 2013). They can be very abundant (>10 000 individuals in 10 cm² of sediment) in organically enriched sediments such as those found in cold seeps (Van Gaever et al. 2006), polar coastal waters (Vanhove et al. 1999) and estuarine mudflats (Heip et al. 1985)
History of the database: The original NeMys database was set up by dr. Tim Deprez (Marine Biology Research Group, Ghent University) as a generic marine biodiversity information system. It was designed to link taxonomic information, taxonomic and ecological literature, and identification keys. Data on free-living marine nematodes have been added to NeMys by collaborators of the Marine Biology Research Group of Ghent University through a series of projects funded by OSTC (now: Belspo) (project 'Aanmaak van een taxonomische databank van de meiofauna van de Noordzee (2001-2002), MN/XX/806'), Fund for scientific Research - Flanders (project ‘Het benthos in Antarctica : structurele en functionele biodiversiteit (1997-2000), 3G0046.97’) and the EU Network of Excellence MarBEF (subproject MANUELA).
In 2014, the part on free-living marine nematodes of NeMys was integrated in the World Register of Marine Species (WoRMS). The functionalities of NeMys are maintained and additional links to external data sources (i.e. GenBank) have been added when available.
The taxonomy of NeMys is edited by a group of editors, with the help of the WoRMS data management team and collaborators at the Marine Biology Research Group.
Past contributors to NeMys include Maaike Steyaert, Maarten Raes, Guy De Smet, Jeroen Ingels, Saskia Van Gaever, Giovanni dos Santos, Gustavo Fonseca and Tania Nara Bezerra.

Biology, Biology > Benthos, Biology > Invertebrates, Biology > Nekton
Marine, Classification, Marine invertebrates, Species, Taxonomy, World Waters, Nematoda

Geographical coverage
World Waters [Marine Regions]

Temporal coverage
From 1758 on [In Progress]

Taxonomic coverage
Nematoda [WoRMS]


Belgian Science Policy (BELSPO)data owner
Ghent University; Faculty of Sciences; Biology Department; Marine Biology Section (MARBIOL), moredata owner
Flanders Marine Institute (VLIZ), moredatabase developer

Related datasets
Child datasets:
Nemaslan: Biodiversity of Antarctic Nematodes, more
MYSIDLAN: Taxonomy and biodiversity of shallow coastal Mysidacea of the Western Indian Ocean
Published in:
AntOBIS: Antarctic Ocean Biogeographic Information System
EurOBIS: European Ocean Biogeographic Information System, more
WoRMS: World Register of Marine Species, more

Aanmaak van een taxonomische databank van de meiofauna van de Noordzee
BIANZO: Biodiversity of 3 representative groups of the Antarctic Zoobenthos
Het benthos in Antarctica: structurele en functionele biodiversiteit

Describing this dataset
Deprez, T. et al. (2004). NeMys: a multidisciplinary biological information system, in: Vanden Berghe, E. et al. (Ed.) Proceedings 'The Colour of Ocean Data': international symposium on oceanographic data and information management with special attention to biological data Brussels, Belgium, November 25-27, 2002. IOC Workshop Report, 188: pp. 57-63, more

Dataset status: In Progress
Data type: Data
Data origin: Literature research
Release date: 2004-08-24
Metadatarecord created: 2004-05-10
Information last updated: 2017-08-29
All data in IMIS is subject to the VLIZ privacy policy