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This work was carried out as part of the Fisheries Science Partnership (FSP), a Defra-funded collaborative programme of scientific research between the UK fishing industry and scientists. Fishermen that normally switch from netting in the western channel to netting in the southern north sea in early spring, wanted to explore the viability of wreck netting for pollack within the channel. The fishermen theorised using a large mesh net in the channel, would be a feasible alternative to fishing the North Sea, were the minimising of the bycatch of cod is a problem. From late February through to mid March 2012, 100 hauls were observed by Cefas scientists. Catch varied from one wreck to the next. But overall the Jubilee Pride successfully demonstrated the feasibility of conducting a targeted fishery for pollack. Catches were dominated by pollack and bib. Pollack accounted for nearly 90% of the total landed weight of fish. Bib on the other hand was mostly discarded, accounting for just 0.7% of the total landed weight of fish. After pollack, the next biggest landing was ling accounting for 6% of the total landed weight of fish. The contribution of cod to the total landed weight of fish was just over 1% (just 20 individuals taken throughout the survey). The bycatch of sensitive species such as marine mammals and sharks was minimal, with no mammals caught and just a few tope and spurdog.
Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS)
| Other details | ||
| Internal code | Internally assigned metadata identifier | 11149 |
| 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. | English Channel Gillnet Pollack Survey 2011/12 - Fisheries Science Partnership |
| Alternative title | The purpose of alternative title is to record any additional names by which the dataset may be known. | FSP Gillnet Pollack 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. | CEFASf8d952bd-c11f-4d20-b156-a40b6b830e43 |
| Resource Identifier | This is the code assigned by the data owner. | CEFAS3587 |
| 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. | dataset |
| Start date | This describes the date the resource starts. This may only be the year if month and day are not known | 2012-02-01 |
| End date | This describes the date the resource ends. This may only be the year if month and day are not known | 2012-03-15 |
| 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. | This work was carried out as part of the Fisheries Science Partnership (FSP), a Defra-funded collaborative programme of scientific research between the UK fishing industry and scientists. Fishermen that normally switch from netting in the western channel to netting in the southern north sea in early spring, wanted to explore the viability of wreck netting for pollack within the channel. The fishermen theorised using a large mesh net in the channel, would be a feasible alternative to fishing the North Sea, were the minimising of the bycatch of cod is a problem. From late February through to mid March 2012, 100 hauls were observed by Cefas scientists. Catch varied from one wreck to the next. But overall the Jubilee Pride successfully demonstrated the feasibility of conducting a targeted fishery for pollack. Catches were dominated by pollack and bib. Pollack accounted for nearly 90% of the total landed weight of fish. Bib on the other hand was mostly discarded, accounting for just 0.7% of the total landed weight of fish. After pollack, the next biggest landing was ling accounting for 6% of the total landed weight of fish. The contribution of cod to the total landed weight of fish was just over 1% (just 20 individuals taken throughout the survey). The bycatch of sensitive species such as marine mammals and sharks was minimal, with no mammals caught and just a few tope and spurdog. |
| Lineage | Lineage includes the background information, history of the sources of data, data quality statements and methods. | **The Vessel**The Jubilee Pride (GY903) from Grimsby, skippered by Paul Pederson undertook the survey. Built in 1979 in Denmark, this 18 metre, 47 tonne wooden hulled gill-netter (formally the FV Biscayen) was recently acquired by Jubilee Fishing and extensively updated prior to the survey commencing.**The Gear**The gillnets used in the survey were of monofilament construction. The mesh size was 150 mm and the twine had a diameter of 0.57 mm. The nets were measured at 66 m long on the headrope, with a footrope length of 72 m and a depth of 24.5 meshes. Floats were attached every 3 m. All nets were rigged in the “Danish” style.**Sampling Plan**Fishing took place on wrecks >12 miles offshore in the Channel (the western side of ICES VIId and the eastern side of VIIe) within UK fishery limits. For the purposes of the survey, the 1°W longitude line was the eastern limit of the survey area. The survey began in late February 2012. The duration of the survey was two periods of seven continuous days, taking place over successive neap tides.Where possible, the on board fisheries observer measured all the fish in both the retained and discarded portion of the catch. Occasionally the volume of catch would be such that the observer would only be able to measure a sample of the total catch. By recording the volume of the sample and noting the volume of the total portion (ie retained or discarded) it is possible to "raise" the numbers and length distributions of the fish sample up to that of the total catch. |
| Related keywords | ||
| Keyword | General subject area(s) associated with the resource, uses multiple controlled vocabularies | Fish |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Fisheries | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Fish and shellfish catch statistics | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Fish biomass in water bodies | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Fishing by-catch | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Advice | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Analysis | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Management | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Monitoring | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Species distribution | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Water column | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Marine Environmental Data and Information Network | |
| Geographical coverage | ||
| North | The northern-most limit of the data resource in decimal degrees | 51.25 |
| East | The eastern-most limit of the data resource in decimal degrees | 3 |
| South | The southern-most limit of the data resource in decimal degrees | 47.5 |
| West | The western-most limit of the data resource in decimal degrees | -7 |
| 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 | Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS) | |
| Delivery point | Cefas Lowestoft Laboratory, Pakefield Road | |
| Postal code | NR33 0HT | |
| City | Lowestoft | |
| Administrative area | Suffolk | |
| Country | UK | |
| Role | The originator is the person or organisation who created, collected or produced the resource. | originator |
| Organisation name | Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS) | |
| Delivery point | Cefas Lowestoft Laboratory, Pakefield Road | |
| Postal code | NR33 0HT | |
| City | Lowestoft | |
| Administrative area | Suffolk | |
| Country | 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 | Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS) | |
| Delivery point | Cefas Lowestoft Laboratory, Pakefield Road | |
| Postal code | NR33 0HT | |
| City | Lowestoft | |
| Administrative area | Suffolk | |
| Country | UK | |
| Role | The distributor is the person or organisation that distributes the resource. | distributor |
| Organisation name | Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS) | |
| Delivery point | Cefas Lowestoft Laboratory, Pakefield Road | |
| Postal code | NR33 0HT | |
| City | Lowestoft | |
| Administrative area | Suffolk | |
| Country | UK | |
| Role | The owner is the person or organisation that owns the resource. | owner |
| Organisation name | Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS) | |
| Role | The owner is the person or organisation that owns the resource. | owner |
| Organisation name | Department for Environment, Food and Rural Affairs (DEFRA) | |
| Resource locators | ||
| Locator URL | Web address (URL) that links to the resource | https://data.cefas.co.uk/view/3587 |
| Locator name | Name of the web resource | Cefas Data Portal |
| Dataset constraints | ||
| 20.1 Limitations on Public Access - Access constraints | Any restrictions imposed on accessing the resource such as the need to agree to certain licence conditions. | otherRestrictions |
| 20.2 Limitations on Public Access - Other constraints | https://inspire.ec.europa.eu/metadata-codelist/LimitationsOnPublicAccess/ | |
| 21.1 Conditions for Access and Use - Use constraints | Any restrictions imposed on accessing the resource such as the need to agree to certain licence conditions. | otherRestrictions |
| 21.2 Conditions for Access and Use - Other constraints | http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/codelist/gmxCodelists.xml#MD_RestrictionCode | |
| 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. | 2016-11-14 |
| Date of last revision | The most recent date that the resource was revised. | 2021-12-14 |
| Date of creation | The date that the resource was created. | 2015-12-14 |
| Metadata date | The date when the content of this metadata record was last updated. | 2021-12-14 |
| Metadata standard name | The name of the metadata standard used to create this metadata | MEDIN |
| Metadata standard version | The version of the MEDIN Discovery Metadata Standard used to create the metadata record | 3.1.1 |
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