2022 Cornwall Inshore Fisheries and Conservation Authority (IFCA) Fal Oyster Survey

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Not released
Published by:
Marine Environmental Data & Information Network
Last updated:
26 October 2022
Topic:
Not added
Licence:
Other Licence
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Summary

Cornwall Inshore Fisheries and Conservation Authority (IFCA) conduct annual dredge surveys within the Fal Oyster Fishery since taking over management of the fishery in 2014. The purpose of the survey was initially to assess the distribution and abundance of native oysters (Ostrea edulis) within the Fal Fishery management area in the River Fal, Cornwall. Since 2016 the survey has been developed to also assess queenies (queen scallop, Aequipecten opercularis; variegated scallop, Mimachlamys varia) distribution and abundance. In 2018, an addition to the survey was made to record the number of individual slipper limpets (Crepidula fornicata) at each site. The aims of the survey were to investigate the relative abundance and distribution of native oysters (O. edulis), scallops (queen scallop, A. opercularis; variegated scallop, M. varia) and slipper limpets (C. fornicata) within the Fal Oyster Fishery. The distribution of substrate types across the fishery were also recorded at each site and species of bycatch were recorded across the survey area as a list of species present. In 2022, a total of 81 sites were completed and a total of 1,660 oysters, 3,708 scallops and 4,507 slipper limpets were recorded. The analysis was done by Management Areas; A, B and C.

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Additional information

View additional metadata
Added to data.gov.uk
2023-01-30
Access contraints
No restrictions to public access
Harvest GUID
b9a26ff058bf5c48a7ac1d14ea1244fe
Extent
Latitude: 50.2482° to 50.1554°
Longitude: -5.0653° to -5.0063°
Spatial reference system
urn:ogc:def:crs:EPSG::4326
Dataset reference date
2022-10-26 (publication)
Frequency of update
asNeeded
Responsible party
Cornwall Inshore Fisheries and Conservation Authority (originator, custodian)
ISO 19139 resource type
dataset
Metadata language
eng
Source Metadata
XML
HTML

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Data is freely available for research or commercial use providing that the originators are acknowledged in any publications produced and permission must be sought if the data will be reproduced in full or part or if used in any analyses.