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Metadata: 2012, Brown and May Marine Ltd, Zone 3 Dogger Bank Tranche A and B, Sandeel Survey
Abstract:
The aim of the survey was to provide a broad scale assessment of the sandeel distribution across Tranches A and B of the planned Dogger Bank offshore wind farm; establishing the abundance, species composition and distribution of sandeel species within the area. In addition, the survey objective was to define the east-west boundaries of the areas of high sandeel densities along the western boundary of the Dogger Bank Zone and in its central area as implied by Danish sandeel fishing activity, defined by VMS satellite tracking and by Jensen et al. (2011).This was undertaken between the 22nd March and 1st April 2012. A conductivity temperature and depth (CTD) probe was also used to record temperature and salinity depth profiles at every tenth station(weather permitting). The times, co-ordinates, depths and locations of each deployment of the CTD probe are given in the Sandeel survey report. 47 tows of approximately 250m were undertaken within Tranche A, 20 tows were undertaken in Tranche B and a further 43 control tows were undertaken in adjacent areas Sandeels require the presence of a specific substrate in which to burrow and it is understood that sandeel distribution and spawning grounds will occupy discrete patchy areas rather than be continuous throughout the Dogger Bank Zone. As such the sampling effort was primarily concentrated over known fishing grounds, with areas outside these being sampled less intensively. This series contains a survey report and GIS shapefiles
Data holder:
Forewind Ltd
Use constraints:
Restricted Public Access
| Other details | ||
| Internal code | Internally assigned metadata identifier | 5545 |
| 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. | 2012, Brown and May Marine Ltd, Zone 3 Dogger Bank Tranche A and B, Sandeel 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. | e1dcd036b604441992ed519d09f7dbe1 |
| Resource Identifier | This is the code assigned by the data owner. | BMM DBSS01 GIS |
| 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 | 2012-03-22 |
| End date | This describes the date the resource ends. This may only be the year if month and day are not known | 2012-04-01 |
| 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. | The aim of the survey was to provide a broad scale assessment of the sandeel distribution across Tranches A and B of the planned Dogger Bank offshore wind farm; establishing the abundance, species composition and distribution of sandeel species within the area. In addition, the survey objective was to define the east-west boundaries of the areas of high sandeel densities along the western boundary of the Dogger Bank Zone and in its central area as implied by Danish sandeel fishing activity, defined by VMS satellite tracking and by Jensen et al. (2011).This was undertaken between the 22nd March and 1st April 2012. A conductivity temperature and depth (CTD) probe was also used to record temperature and salinity depth profiles at every tenth station(weather permitting). The times, co-ordinates, depths and locations of each deployment of the CTD probe are given in the Sandeel survey report. 47 tows of approximately 250m were undertaken within Tranche A, 20 tows were undertaken in Tranche B and a further 43 control tows were undertaken in adjacent areas Sandeels require the presence of a specific substrate in which to burrow and it is understood that sandeel distribution and spawning grounds will occupy discrete patchy areas rather than be continuous throughout the Dogger Bank Zone. As such the sampling effort was primarily concentrated over known fishing grounds, with areas outside these being sampled less intensively. This series contains a survey report and GIS shapefiles |
| Lineage | Lineage includes the background information, history of the sources of data, data quality statements and methods. | A modified 1.24m shellfish dredge with a fixed tooth bar (6" teeth) 10mm mesh and an 6mm mesh cod-end liner was used for sampling (Figure 5.2), the specifications of which are given in Table 5.2. The dredges, steel bellies and nets were manufactured using the specifications obtained through consultation with H. Mosegaard (DTU Aqua) and at a meeting with MSS, with the gear technician responsible for constructing the sandeel dredges used for MSS survey works. Modified 1.24m Shellfish Dredge Specifications Towing warp Steel 14mm main with 24mm extension Depth: payout ratio approx. 3/4:1 Net 10mm mesh with 6mm cod end liner and chain mat Estimated headline height 0.5m Dredge width 1.24m Tooth length 6" The position of the vessel was tracked at all times using a Garmin GPSMap 278 with an EGNOS differential connected to an external Garmin GA30 antenna. Dredge start times and positions were taken when the winch stopped paying out the gear. Similarly, dredge end times and positions were taken when hauling of the gear commenced/ GPS data downloaded in ArcGIS v10.0 and feature classess created for dredge location, CTD probe depolyments, catch rate and vessel track. Survey Vessel Specifications Length 21.2m Beam 6.9m Draft 2.3m Main engine Caterpillar Type 340TA 475 BHP Gearbox Hydraulic 6: reduction Propeller 4 Blade Manganese Bronze Fixed Pitch 1.7m diameter GPS 2-Furuno GP80 Plotters Sodena Plotter with Electronic Charts Sounder Furuno Daylight Viewing |
| Related keywords | ||
| Keyword | 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 | Fish |
| 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 | Feasibility | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Consenting | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Zone search area | |
| Geographical coverage | ||
| North | The northern-most limit of the data resource in decimal degrees | 55.3 |
| East | The eastern-most limit of the data resource in decimal degrees | 3.3 |
| South | The southern-most limit of the data resource in decimal degrees | 54.7 |
| West | The western-most limit of the data resource in decimal degrees | 1.2 |
| Regional sea | Southern North Sea | |
| 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 | Forewind Ltd | |
| Phone | +44 (0)800 975 5636 | |
| Delivery point | Davidson House,, Forbury Square | |
| Postal code | RG1 3EU | |
| City | Reading | |
| Country | United Kingdom | |
| info@forewind.co.uk | ||
| URL | http://www.forewind.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 | Forewind Ltd | |
| Phone | +44 (0)800 975 5636 | |
| Delivery point | Davidson House,, Forbury Square | |
| Postal code | RG1 3EU | |
| City | Reading | |
| Country | United Kingdom | |
| info@forewind.co.uk | ||
| URL | http://www.forewind.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 | 01379 870181 | |
| Fax | 01379 870673 | |
| Delivery point | Progress Way, Mid Suffolk Business Park | |
| Postal code | IP23 7HU | |
| City | Eye | |
| Administrative area | Suffolk | |
| Country | United Kingdom | |
| marine@brownmay.com | ||
| Role | This describes the organisation or person who has the role of 'Originator', 'Custodian'(data holder), 'Distributor', 'Metadata point of contact' and 'Owner' in relation to the dataset. There are other roles in the ISO and INSPIRE codelists. | processor |
| Organisation name | Brown & May Marine Ltd. | |
| Phone | 01379 870181 | |
| Fax | 01379 870673 | |
| Delivery point | Progress Way, Mid Suffolk Business Park | |
| Postal code | IP23 7HU | |
| City | Eye | |
| Administrative area | Suffolk | |
| Country | United Kingdom | |
| marine@brownmay.com | ||
| Resource locators | ||
| Locator URL | Web address (URL) that links to the resource | https://www.marinedataexchange.co.uk/details/2500/summary |
| Web address (URL) that links to the resource | https://www.marinedataexchange.co.uk | |
| Dataset constraints | ||
| 20 Limitations on Public Access - Access constraints | copyright | |
| 20 Limitations on Public Access - Other constraints | This states any limitations on access to the data and uses free text. | Restricted Public Access |
| 21 Conditions for Access and Use - Use limitation | This states any constraints on use of the data. Multiple conditions can be recorded for different parts of the data resource. If no conditions apply, then `No condtions apply` is recorded. This uses free text. | Restricted Public Access |
| Available data formats | ||
| Data format | Format in which digital data can be provided for transfer | ESRI Shapefile ( |
| 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. | 2012-06-30 |
| 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. | 2013-01-18 |
| 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 | 2.3.6 |