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A longline survey was undertaken in the area relevant to the Sheringham Shoal Offshore Wind Farm export cable between the 16th and 21st of August 2015. The survey methodology replicated that of the August 2010 pre-installation survey, and the November 2012 and August 2013 post-installation survey. The objective of the survey was to assess whether the operational export cable has any discernible effects on the localized population of elasmobranchs, and the feeding behaviour of lesser spotted dogfish (Scyliorhinus canicula). Lesser spotted dogfish (S. canicula) is widespread and abundant along the southern and western seaboards of the British Isles at depths of 6–308 m, although its distribution in the North Sea is patchy (Ellis et al, 2005). Overall, it is a species with limited migration ranges, although variations in distribution between autumn and spring surveys suggest local movements in some areas such as the Irish Sea (Agri-Food & Biosciences Institute, 2009). The survey was conducted using the same vessel, gear and bait as the pre-installation survey. Three replicates of 16 sample stations were undertaken, where practicable, along the Scira export cable route. In the event, only 43 of the 48 sample longline deployments were able to be undertaken, due to the presence of deployed static gear at two stations. Thirty seven elasmobranchs were caught during the survey, of which fifteen were S.canicula. The highest number were caught at Station L10. S.canicula stomach contents were predominantly Crustacea and known benthic prey species such as a range of crab species including Paguridae spp and Pagurus bernhardus.
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| Other details | ||
| Internal code | Internally assigned metadata identifier | 7963 |
| Title | The title is used to provide a brief and precise description of the dataset such as 'Date', 'Originating organisation/programme', 'Location' and 'Type of survey'. All acronyms and abbreviations should be reproduced in full. | 2015, Brown and May Marine Ltd., Sheringham Shoal Offshore Wind Farm, Post-cable Installation Elasmobranch Survey |
| File Identifier | The File Identifier is a code, preferably a GUID, that is globally unique and remains with the same metadata record even if the record is edited or transferred between portals or tools. | fa94470c-05a3-403a-b8d3-9ffc64f281ba |
| Resource Identifier | This is the code assigned by the data owner. | 4500153674 |
| Resource type | The resource type will likely be a dataset but could also be a series (collection of datasets with a common specification) or a service. | series |
| Start date | This describes the date the resource starts. This may only be the year if month and day are not known | 2015-08-16 |
| End date | This describes the date the resource ends. This may only be the year if month and day are not known | 2015-08-21 |
| Frequency of updates | This describes the frequency with which the resource is modified or updated i.e. a monitoring programme that samples once per year has a frequency that is described as 'annually'. | notPlanned |
| Abstract | The abstract provides a clear and brief statement of the content of the resource. | A longline survey was undertaken in the area relevant to the Sheringham Shoal Offshore Wind Farm export cable between the 16th and 21st of August 2015. The survey methodology replicated that of the August 2010 pre-installation survey, and the November 2012 and August 2013 post-installation survey. The objective of the survey was to assess whether the operational export cable has any discernible effects on the localized population of elasmobranchs, and the feeding behaviour of lesser spotted dogfish (Scyliorhinus canicula). Lesser spotted dogfish (S. canicula) is widespread and abundant along the southern and western seaboards of the British Isles at depths of 6–308 m, although its distribution in the North Sea is patchy (Ellis et al, 2005). Overall, it is a species with limited migration ranges, although variations in distribution between autumn and spring surveys suggest local movements in some areas such as the Irish Sea (Agri-Food & Biosciences Institute, 2009). The survey was conducted using the same vessel, gear and bait as the pre-installation survey. Three replicates of 16 sample stations were undertaken, where practicable, along the Scira export cable route. In the event, only 43 of the 48 sample longline deployments were able to be undertaken, due to the presence of deployed static gear at two stations. Thirty seven elasmobranchs were caught during the survey, of which fifteen were S.canicula. The highest number were caught at Station L10. S.canicula stomach contents were predominantly Crustacea and known benthic prey species such as a range of crab species including Paguridae spp and Pagurus bernhardus. |
| Lineage | Lineage includes the background information, history of the sources of data, data quality statements and methods. | A total of sixteen stations have been proposed for the survey, ten close the export cable route and six as reference stations. The reference stations were added in 2014 following consultation with the Marine Management Organisation (MMO). Sampling commenced on the 16th August 2015 when ten longlines baited with squid were deployed at stations along the export cable route (Figure 3.3). Further stations were sampled on 17th, 19th, 20th and 21st August 2015 ensuring, where possible, three complete replicates were undertaken. A total of 43 of the possible 48 stations were successfully undertaken. All three attempts at Station 7 and two at Station 12 were aborted on safety grounds due to the presence of high density deployed static fishing gear. The longlines were left to soak for a duration of approximately two hours before being hauled and the catch recorded (refer to Section 3.5). It should be noted that at station L06 on 16th August, it was not possible to locate the deployed longline. |
| Related keywords | ||
| Keyword | General subject area(s) associated with the resource, uses multiple controlled vocabularies | Post-Construction monitoring |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Offshore Cable Corridor | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Fish abundance in water bodies | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Fish behaviour | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Fish taxonomy-related counts | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Marine Environmental Data and Information Network | |
| Keyword title | MEDIN | |
| Keyword | General subject area(s) associated with the resource, uses multiple controlled vocabularies | Marine Environmental Data and Information Network |
| Keyword title | MEDIN | |
| Geographical coverage | ||
| North | The northern-most limit of the data resource in decimal degrees | 53.182847 |
| East | The eastern-most limit of the data resource in decimal degrees | 1.231625 |
| South | The southern-most limit of the data resource in decimal degrees | 52.948708 |
| West | The western-most limit of the data resource in decimal degrees | 0.828491 |
| Responsible organisations | ||
| Role | The point of contact is person or organisation with responsibility for the creation and maintenance of the metadata for the resource. | pointOfContact |
| Organisation name | ABP Marine Environmental Research Ltd | |
| Phone | +44 023 8071 1840 | |
| Delivery point | Quayside Suite, Medina Chambers | |
| Postal code | SO14 2AQ | |
| City | Southampton | |
| Country | United Kingdom | |
| URL | http://www.abpmer.co.uk | |
| Role | The custodian is the person or organisation that accepts responsibility for the resource and ensures appropriate care and maintenance. If a dataset has been lodged with a Data Archive Centre for maintenance then this organisation is be entered here. | custodian |
| Organisation name | The Crown Estate | |
| Phone | +44 020 7851 5000 | |
| Delivery point | 1 St James's Market | |
| Postal code | SW1Y 4AH | |
| City | London | |
| Country | United Kingdom | |
| URL | www.thecrownestate.co.uk | |
| Role | The originator is the person or organisation who created, collected or produced the resource. | originator |
| Organisation name | Brown & May Marine Ltd | |
| Phone | +44 (0) 1379 870181 | |
| Delivery point | Progress Way, Mid Suffolk Business Park, The Sawmills, Durley | |
| Postal code | IP23 7HU | |
| City | Eye | |
| Administrative area | Suffolk | |
| Country | United Kingdom | |
| Resource locators | ||
| Locator URL | Web address (URL) that links to the resource | https://www.marinedataexchange.co.uk/details/1978/summary |
| Web address (URL) that links to the resource | https://www.marinedataexchange.co.uk | |
| Dataset constraints | ||
| 20 Limitations on Public Access - Access constraints | ISO restriction code chosen from ISO 19115-1 Codelist | copyright |
| 20 Limitations on Public Access – Other constraints | Any restriction on the use of the resource such as the need to agree to certain licence conditions. | http://www.marinedataexchange.co.uk/pages/terms-of-use.aspx |
| 21 Conditions for Access and Use - Use limitation | Any restrictions imposed on accessing the resource such as the need to agree to certain licence conditions. | http://www.marinedataexchange.co.uk/pages/terms-of-use.aspx |
| 21 Conditions for access and use – Use limitation | Any restrictions imposed on accessing the resource. | http://www.marinedataexchange.co.uk/pages/terms-of-use.aspx |
| Version info | ||
| Date of publication | The publication date of the resource or if previously unpublished the date that the resource was made publicly available via the MEDIN network. | 2015-03-23 |
| Metadata date | The date when the content of this metadata record was last updated. | 2020-07-20 |
| Metadata standard name | The name of the metadata standard used to create this metadata | MEDIN Discovery Profile |
| Metadata standard version | The version of the MEDIN Discovery Metadata Standard used to create the metadata record | 2.3.8 |
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