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NDFF Zostera Monitoring

Latest version published by Dutch National Database of Flora and Fauna (NDFF) on Mar 22, 2018 Dutch National Database of Flora and Fauna (NDFF)

Based on the Zostera map of favourable locations by De Jong et al. (2005) and an expert judgement, 3 promising locations were selected. Zostera marina was sown on these 3 locations in September 2011. The aim of this monitoring program is to gain knowledge about Zostera marina. Initially based on the sown Zostera marina and later, possibly, based on natural growth of stable pre-sown fields of Zostera marina.

Apart from these selection plots, other square kilometre plots are also examined, preferably in areas for which there is no inventory data.

Dataset available via /

Positive observations without zeros.

369,866 records (March 2018)


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Metadata as an EML file download in English (6 KB)
Metadata as an RTF file download in English (5 KB)


The table below shows only published versions of the resource that are publicly accessible.


Researchers should respect the following rights statement:

The publisher and rights holder of this work is Dutch National Database of Flora and Fauna (NDFF). This work is licensed under a Creative Commons Attribution Non Commercial (CC-BY-NC) 4.0 License.

GBIF Registration

This resource has been registered with GBIF, and assigned the following GBIF UUID: 3b36a00d-ec15-4fe1-9f40-a8c61c89136c.  Dutch National Database of Flora and Fauna (NDFF) publishes this resource, and is itself registered in GBIF as a data publisher endorsed by Netherlands Biodiversity Information Facility.


Metadata; Observation


Who created the resource:

Jaap Graveland
Data manager
Rijkswaterstaat NL

Who can answer questions about the resource:

Who filled in the metadata:

Thijs de Kruif
metadata publisher

Who else was associated with the resource:

Henk de Vries
Node manager NLBIF
NLBIF (Netherlands Biodiversity Information Facility) P.O.Box 9517 2300 RA Leiden NL

Geographic Coverage


Bounding Coordinates South West [50.736, 3.318], North East [53.521, 7.207]

Taxonomic Coverage


Genus  Zostera (Eelgrass)

Temporal Coverage

Formation Period 2014-current

Additional Metadata

Alternative Identifiers