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Metadata: 0301H HERAS West coast herring acoustic survey- MFV Taits
Abstract:
Daily folders (20) of Simrad format (.ek5) acoustic data . Excel biological data for 53 pelagic hauls. Continual AGDS data. Objectives: To carry out an acoustic survey for herring in ICES area Vla(N) as part of the ICES coordinated acoustic and mid-water trawling survey in the north western North Sea and North of Scotland
Data holder:
Scottish Government (Marine Scotland)
Use constraints:
no limitations to public access
Other details | ||
Internal code | Internally assigned metadata identifier | 6222 |
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. | 0301H HERAS West coast herring acoustic survey- MFV Taits |
Alternative title | The purpose of alternative title is to record any additional names by which the dataset may be known. | Herring, Acoustic survey, West coast, HERAS, MFV Taits, FR |
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_1737 |
Resource Identifier | This is the code assigned by the data owner. | Marine_Scotland_FishDAC_1737 |
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 | 2001-07-10 |
End date | This describes the date the resource ends. This may only be the year if month and day are not known | 2001-07-30 |
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 (20) of Simrad format (.ek5) acoustic data . Excel biological data for 53 pelagic hauls. Continual AGDS data. Objectives: To carry out an acoustic survey for herring in ICES area Vla(N) as part of the ICES coordinated acoustic and mid-water trawling survey in the north western North Sea and North of Scotland |
Lineage | Lineage includes the background information, history of the sources of data, data quality statements and methods. | Results The full survey area was covered, mostly at a transect spacing of 7.5 nautical miles. Closer spacing (3.75 nm) was used in the area of Barra Head, and wider spacing (15 nm) in some areas identified as having historically low herring abundances. The survey was extended into the area between 3 and 4° W as in 1999, as time was available. For a complete cruise track see Figure 1. Fifty-three trawl hauls were carried out with 34 of these containing significant numbers of herring, see Figure 1. Otoliths were taken for 3,201 herring across the survey area; these fish were also scored for weight, sex, maturity, gonad weight and feeding state and gut weight if feeding. One thousand one hundred twenty-nine Elementary Distance Sampling Units (EDSU) were covered at 2.5 nautical miles per EDSU, resulting in approximately 2,800 nautical miles of survey track covered. The echo integral assigned for each of these EDSU is presented in Figure 2. Detailed analysis of results will be carried out after otolith reading has been completed. The initial impression is that there were good numbers of herring present in the area, and the usual areas of concentration were well occupied (Barra Head, W. of Lewis, and the shelf break NW of the Butt of Lewis. In addition, herring were identified in layers and scattered small marks throughout much of the area, which has been unusual for this area prior to 2000, but corresponds to observations in the N. Sea surveys in 1999 and 2000. |
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 | 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 | 60 |
East | The eastern-most limit of the data resource in decimal degrees | -4 |
South | The southern-most limit of the data resource in decimal degrees | 55.5 |
West | The western-most limit of the data resource in decimal degrees | -10 |
Regional sea | 40E0 | |
41E0 | ||
42E0 | ||
43E0 | ||
44E0 | ||
45E0 | ||
40E1 | ||
41E1 | ||
42E1 | ||
43E1 | ||
44E1 | ||
45E1 | ||
46E1 | ||
40E2 | ||
41E2 | ||
42E2 | ||
43E2 | ||
44E2 | ||
45E2 | ||
46E2 | ||
41E3 | ||
42E3 | ||
43E3 | ||
44E3 | ||
45E3 | ||
46E3 | ||
47E3 | ||
44E4 | ||
45E4 | ||
46E4 | ||
47E4 | ||
46E5 | ||
47E5 | ||
48E5 | ||
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 | otherRestrictions | |
20 Limitations on Public Access - Other constraints | This states any limitations on access to the data and uses free text. | no limitations to 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. | 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. | 2016-05-04 |
Harvest date | The date which this record has been (re)harvested from the provider. | 2024-04-21 |
Metadata date | The date when the content of this metadata record was last updated. | 2016-05-04 |
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 |