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Daily folders (10) of Simrad format (.ek5) acoustic data. Excel biological data for 13 pelagic hauls. CTD data for 21 vertical dips. 7 daily files of minilogger data. 9 folders of surface light level data. Objectives: 1. To carry out detailed acoustic surveys in selected lochs and the North Minch (if time allows) using the EK 500 to determine the distribution of herring and sprat. Concentrations of pelagic fish will be sampled using the PT154. Species composition and length-frequency distributions of the fish caught will be determined. Sub-samples will be weighed, to establish length-weight relationships, and otolithed. Herring samples will be analysed for sex, maturity and Ichthyophonus infection. Stomach, gonad and DNA samples will also be taken. Herring and sprat will be examined for Cryptocotyle lingua infection. Sprat will also be examined for Lernaeenicus sprattae and L. encrasicoli infection. 2. A line of CTDs will be done through each loch. Survey Areas: Main survey areas - Loch Duich, Loch Hourn, Loch Kishorn, Loch Nevis. Secondary survey areas - North Minch, Sound of Sleat.
Scottish Government (Marine Scotland)
no limitations to public access
Other details | ||
Internal code | Internally assigned metadata identifier | 6203 |
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. | 1704C- West coast lochs-small pelagics acoustic survey- Clupea cruise 1704 |
Alternative title | The purpose of alternative title is to record any additional names by which the dataset may be known. | herring, sprat, west coast sea lochs, acoustic 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. | Marine_Scotland_FishDAC_1756 |
Resource Identifier | This is the code assigned by the data owner. | Marine_Scotland_FishDAC_1756 |
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 | 2004-11-17 |
End date | This describes the date the resource ends. This may only be the year if month and day are not known | 2004-12-02 |
Spatial resolution | This describes the spatial resolution of the dataset or the spatial limitations of the service. | 55000.00 |
Spatial resolution unit | This describes the unit of spatial resolution which for distance must be metres. | http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/uom/gmxUom.xml#m |
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'. | Not Planned |
Abstract | The abstract provides a clear and brief statement of the content of the resource. | Daily folders (10) of Simrad format (.ek5) acoustic data. Excel biological data for 13 pelagic hauls. CTD data for 21 vertical dips. 7 daily files of minilogger data. 9 folders of surface light level data. Objectives: 1. To carry out detailed acoustic surveys in selected lochs and the North Minch (if time allows) using the EK 500 to determine the distribution of herring and sprat. Concentrations of pelagic fish will be sampled using the PT154. Species composition and length-frequency distributions of the fish caught will be determined. Sub-samples will be weighed, to establish length-weight relationships, and otolithed. Herring samples will be analysed for sex, maturity and Ichthyophonus infection. Stomach, gonad and DNA samples will also be taken. Herring and sprat will be examined for Cryptocotyle lingua infection. Sprat will also be examined for Lernaeenicus sprattae and L. encrasicoli infection. 2. A line of CTDs will be done through each loch. Survey Areas: Main survey areas - Loch Duich, Loch Hourn, Loch Kishorn, Loch Nevis. Secondary survey areas - North Minch, Sound of Sleat. |
Lineage | Lineage includes the background information, history of the sources of data, data quality statements and methods. | Clupea sailed from Fraserburgh on 20 November 2004, after a 72 hour delay due to bad weather. She arrived in Kyle on 21 November where staff joined the ship at 1630 h. She remained tied up alongside at Kyle until the morning of 22 November due to further bad weather. The usual acoustic calibration performed prior to transecting was unable to be performed due to the weather. Clupea steamed to Loch Hourn on the morning of 22 November to begin acoustic transecting and pelagic trawling. Very low concentrations of fish prompted the decision to transect in Loch Nevis on 23 November, and Loch Hourn was returned to and surveyed again on 24 November. Transecting was carried out on the flood tide on both days in Loch Hourn and in Loch Nevis. Loch Duich was surveyed on 25 November and 27 November, and Loch Carron on 26 November. In these two lochs it was possible to transect on both ebb and flood tides, and over the two days in Loch Duich, and one day in Loch Carron, transecting was able to be performed during two ebb and two flood tides. Clupea then returned to Loch Nevis and worked there during on 28 November, transecting and fishing this time during an ebb tide. On 29 November Clupea returned to Loch Hourn to carry out a third day of transecting there, this time during an ebb tide. This gave surveys across one ebb tide and two flood tides for Loch Hourn and two of each for Loch Duich. Clupea then steamed to Loch na Dal in the late afternoon of 29 November where the acoustic system was calibrated. A fourth day of work had originally been planned for Loch Hourn was dropped, due to the unusually low concentrations of fish there. A good weather forecast was given for the last couple of days of the survey. This, coupled with the extra day available due to dropping the fourth day in Loch Hourn, gave the first opportunity to work in the North Minch. Clupea called briefly at Kyle on the early morning of 30 November, where E Hatfield and C Wylie disembarked. She then sailed up through Raasay Sound and transected across the North Minch and back to Loch Broom and tied up alongside at Gairloch overnight. Four further transects were performed on 1 December, ending at Cape Wrath. Clupea then returned to Fraserburgh overnight, arriving on the morning of 2 December, when the scientists disembarked. The light gauge recorded data throughout the cruise to determine ambient light levels. The mini- logger was deployed on the headline during each trawl, along with the Scanmar sensors. In each loch a CTD was carried out at the centre point of each tow (unless several tows covered the same area in which case one CTD was used to provide data for the different tows). A number of CTD dips were then carried out through the rest of each loch to determine vertical structure throughout. In Loch Carron two pelagic tows and four CTD deployments were carried out; in Loch Duich five pelagic tows and five CTD deployments were carried out; in Loch Hourn three pelagic tows and five CTD deployments were carried out; in Loch Nevis three pelagic tows and seven CTD deployments were carried out. No pelagic tows or CTD deployments were carried out in the North Minch. The time and position data for these tows and CTDs are in Tables 1 and 2 respectively. Samples for the WESTHER project were taken in Loch Carron (due to the lack of fish in Loch Hourn – the usual sampling area). |
Related keywords | ||
Keyword | 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 | Acoustics | |
General subject area(s) associated with the resource, uses multiple controlled vocabularies | Biota composition | |
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 | Water column temperature and salinity | |
General subject area(s) associated with the resource, uses multiple controlled vocabularies | Acoustic backscatter in the water column | |
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 biomass in water bodies | |
General subject area(s) associated with the resource, uses multiple controlled vocabularies | Fish morphology, age and physiology | |
Geographical coverage | ||
North | The northern-most limit of the data resource in decimal degrees | 58 |
East | The eastern-most limit of the data resource in decimal degrees | -5 |
South | The southern-most limit of the data resource in decimal degrees | 57 |
West | The western-most limit of the data resource in decimal degrees | -6 |
Regional sea | 43E4 | |
44E4 | ||
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 | Scottish Government (Marine Scotland) | |
Phone | +44 (0)300 244 4000 | |
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 | Scottish Government (Marine Scotland) | |
Phone | +44 (0)300 244 4000 | |
Delivery point | Mailpoint 11, Area 1B South, Victoria Quay | |
Postal code | EH6 6QQ | |
City | Edinburgh | |
Country | United Kingdom | |
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 | Scottish Government (Marine Scotland) | |
Phone | +44 (0)300 244 4000 | |
Delivery point | Mailpoint 11, Area 1B South, Victoria Quay | |
Postal code | EH6 6QQ | |
City | Edinburgh | |
Country | United Kingdom | |
Role | The distributor is the person or organisation that distributes the resource. | distributor |
Organisation name | Scottish Government (Marine Scotland) | |
Phone | +44 (0)300 244 4000 | |
Delivery point | Mailpoint 11, Area 1B South, Victoria Quay | |
Postal code | EH6 6QQ | |
City | Edinburgh | |
Country | United Kingdom | |
Role | The originator is the person or organisation who created, collected or produced the resource. | originator |
Organisation name | Scottish Government (Marine Scotland) | |
Phone | +44 (0)300 244 4000 | |
Delivery point | Mailpoint 11, Area 1B South, Victoria Quay | |
Postal code | EH6 6QQ | |
City | Edinburgh | |
Country | United Kingdom | |
Resource locators | ||
Locator URL | Web address (URL) that links to the resource | https://www.bodc.ac.uk/data/information_and_inventories/cruise_inventory/search/ |
Locator function | Code that describes the function of the resource. ISO function code chosen from ISO 19115-1 Codelist | Reference info #0 |
Dataset constraints | ||
20 Limitations on Public Access - Access constraints | ISO restriction code chosen from ISO 19115-1 Codelist | otherRestrictions |
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. | no limitations to public access |
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. | Open Government License (http://www.nationalarchives.gov.uk/doc/open-government-licence/) |
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. | 2016-05-10 |
Metadata date | The date when the content of this metadata record was last updated. | 2016-05-19 |
Metadata standard name | The name of the metadata standard used to create this metadata | MEDIN Discovery Metadata |
Metadata standard version | The version of the MEDIN Discovery Metadata Standard used to create the metadata record | Version 2.3.7 |
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