Llyn Horse Mussel Multibeam Echosounder Survey data 2024

Availability:
Not released
Published by:
Natural Resources Wales
Last updated:
24 October 2025
Topic:
Not added
Licence:
None

Summary

This data is from the 2024 Llyn Horse Mussel (Modiolus modiolus) Multibeam Echosounder Survey (MBES).

The work was carried out by Binnies/Hydrofix funded by Nature Networks as part of an investigation into the decline observed at the reef. Both reefs were mapped to International Hydrographic order (IHO) 1a or higher.

The data was processed and analysed to produce bathymetric surfaces; backscatter mosaics; a seabed classification, including the extents of the mussel beds; and measurements of the mussel bioherms. The results from the 2024 survey were then compared to previous datasets, provided by NRW, from 2005, 2008 and 2015, all of which were analysed and reprocessed.

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Additional information

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Added to data.gov.uk
2025-04-24
Access contraints
There are no access restrictions on this data. NRW may release, publish or disseminate it freely.
Harvest GUID
NRW_DS161323
Extent
Latitude: 53.0615° to °
Longitude: -4.9379° to -3.96°
Spatial reference system
Dataset reference date
2024-12-17 (creation)
Frequency of update
asNeeded
Responsible party
Natural Resources Wales (NRW) (owner, distributor, custodian); Binnies LTD (originator); Hydrofix (originator)
ISO 19139 resource type
dataset
Metadata language
eng
Source Metadata
XML
HTML

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