2008-2009 Guy and Roberts Strangford Lough Crassostrea records

Published by:
Marine Environmental Data & Information Network
Last updated:
29 August 2019
Topic:
Not added
Licence:
Other Licence
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Summary

The Pacific oyster (Crassostrea gigas) was introduced into Strangford Lough, Northern Ireland in the 1970s. It was assumed that local environmental conditions would not facilitate successful reproduction. However, in the 1990s there were reports of C. gigas outside licensed aquaculture sites and this investigation set out to ascertain the current distribution, years of likely recruitment and population structure of the species. C. gigas were found distributed widely throughout the northern basin during surveys; the frequency distribution suggesting C. gigas is not recruiting every year. Establishment of feral populations of C. gigas elsewhere have linked to habitat change. A pilot cull was initiated to assess the success rate of early intervention. This paper demonstrates the potential benefits of responding rapidly to initial reports of non-native species in a way that may curtail establishment and expansion. The method advocated in simple and can be recommended to the appropriate regulatory authorities.

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Additional information

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Added to data.gov.uk
2016-07-15
Access contraints
DASSH terms and conditions apply
Harvest GUID
7fc24b5e-7236-4276-8d64-ee7c76afa48e
Extent
Latitude: 54.5983° to 54.3085°
Longitude: -5.7677° to -5.4725°
Spatial reference system
urn:ogc:def:crs:EPSG::4326
Dataset reference date
2016-07-15 (publication)
Frequency of update
notPlanned
Responsible party
Queen's University Belfast School of Biological Sciences (originator); Data Archive for Seabed Species and Habitats (DASSH) (custodian)
ISO 19139 resource type
dataset
Metadata language
eng
Source Metadata
XML
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