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Metadata: Imposex surveys of whelks around England and Wales
Abstract:
Surveys of imposex in the dogwhelk (Nucella lapillus) have been conducted UK-wide over the past eighteen years (1992, 1997/1998, 2004 and 2007) to assess the effectiveness of TBT legislation controlling the use of TBT from maritime industry. As a continuation of this assessment and to fulfil OSPAR monitoring requirements a further survey was conducted between October, 2010 and January, 2011.
Data holder:
Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS)
| Other details | ||
| Internal code | Internally assigned metadata identifier | 9489 |
| 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. | Imposex surveys of whelks around England and Wales |
| Alternative title | The purpose of alternative title is to record any additional names by which the dataset may be known. | Imposex of whelks recorded as indicator of marine pollutants, especially TBT |
| 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. | CEFAS3c2de112-9f8b-4cbc-b9b2-ca785459a146 |
| Resource Identifier | This is the code assigned by the data owner. | CEFAS97 |
| 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 | 1992-08-08 |
| End date | This describes the date the resource ends. This may only be the year if month and day are not known | 2016-04-01 |
| 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'. | asNeeded |
| Abstract | The abstract provides a clear and brief statement of the content of the resource. | Surveys of imposex in the dogwhelk (Nucella lapillus) have been conducted UK-wide over the past eighteen years (1992, 1997/1998, 2004 and 2007) to assess the effectiveness of TBT legislation controlling the use of TBT from maritime industry. As a continuation of this assessment and to fulfil OSPAR monitoring requirements a further survey was conducted between October, 2010 and January, 2011. |
| Lineage | Lineage includes the background information, history of the sources of data, data quality statements and methods. | Ospar standards were used to determine Imposex stage. Cefas is a Quasimeme participant to ensure a high level of QA and QC. Data is reported to the MERMAN database (Cefas data set may include population information). More information about the protocols can be found under: OSPAR Commission. (2004) Provisional JAMP assessment Criteria for TBT-Specific Biological Effects. Reference Number: 2004-15:1-3. OSPAR. (2009). JAMP Guidelines for Contaminant-Specific Biological Effects. Technical Annex 3. TBT-specific biological effects monitoring. OSPAR Agreement 2008-09 |
| Related keywords | ||
| Keyword | General subject area(s) associated with the resource, uses multiple controlled vocabularies | Disease, damage and mortality |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Mollusc | |
| 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 | Pollution events | |
| 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 | Littoral | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Marine Environmental Data and Information Network | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | data.gov.uk | |
| Geographical coverage | ||
| North | The northern-most limit of the data resource in decimal degrees | 56 |
| East | The eastern-most limit of the data resource in decimal degrees | 2 |
| South | The southern-most limit of the data resource in decimal degrees | 49.75 |
| West | The western-most limit of the data resource in decimal degrees | -6 |
| 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 | |
| data.manager@cefas.co.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 | |
| data.manager@cefas.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 | 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 | |
| data.manager@cefas.co.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 | |
| data.manager@cefas.co.uk | ||
| Role | The owner is the person or organisation that owns the resource. | owner |
| Organisation name | Department for Environment, Food and Rural Affairs (DEFRA) | |
| defra.helpline@defra.gov.uk | ||
| Resource locators | ||
| Locator URL | Web address (URL) that links to the resource | https://data.cefas.co.uk/view/97 |
| Locator name | Name of the web resource | Cefas Data Portal |
| Dataset constraints | ||
| 20.1 Limitations on Public Access - Access constraints | This states `otherRestrictions` from ISO vocabulary RestrictionCode and is an INSPIRE/GEMINI requirement. | otherRestrictions |
| 20.2 Limitations on Public Access - Other constraints | noLimitations | |
| 21.1 Conditions for Access and Use - Use constraints | This states `otherRestrictions` from ISO vocabulary RestrictionCode and is an INSPIRE/GEMINI requirement. | otherRestrictions |
| 21.2 Conditions for Access and Use - Other constraints | http://standards.iso.org/iso/19139/resources/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. | 2013-10-17 |
| Date of last revision | The most recent date that the resource was revised. | 2026-02-25 |
| Date of creation | The date that the resource was created. | 2011-10-07 |
| Harvest date | The date which this record has been (re)harvested from the provider. | 2026-04-19 |
| Metadata date | The date when the content of this metadata record was last updated. | 2026-02-25 |
| 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 |