Identification

Title

Taw Torridge Sublittoral Mussel Stock Assessment 2020

Abstract

In order to better understand the distribution of sublittoral mussel resource in the main channel of the Taw-Torridge estuary, north Devon. Grab surveys were undertaken on 23rd October 2020. These surveys included a maximum of three grab samples, taken with a 10 kg van Veen grab, at each of 38 sampling stations positioned throughout the main channel of the estuary between approximately Crow Point to Coolstone and the estuary mouth. Surveys were conducted by an IFCA officer on board a local fishing vessel. Data include georeferenced grab success and failure data, count of mussel in each grab and mussel length data for all mussels observed.

Resource type

dataset

Resource locator

http://https://www.devonandsevernifca.gov.uk/Resource-library/H-Environment-and-Research

name: Devon and Severn Inshore Fisheries and Conservation Authority Resource Library

description: A link to the Devon and Severn Inshore Fisheries and Conservation Authority Resource Library, containing the relevant report and contact details to request dataset

Unique resource identifier

code

TTSUBTIDALMUSSEL2020DSIFCA

codeSpace

Dataset language

eng

Spatial reference system

code identifying the spatial reference system

urn:ogc:def:crs:EPSG::4326

Classification of spatial data and services

Topic category

biota

Keywords

Keyword set

keyword value

Keyword set

keyword value

Keyword set

keyword value

originating controlled vocabulary

title

reference date

date type

revision

effective date

2008-01-06

Keyword set

keyword value

originating controlled vocabulary

title

reference date

date type

creation

effective date

2011-02-16

Keyword set

keyword value

originating controlled vocabulary

title

reference date

date type

creation

effective date

2003-01-01

Keyword set

keyword value

originating controlled vocabulary

title

reference date

date type

revision

effective date

2009-11-16

Keyword set

keyword value

originating controlled vocabulary

title

reference date

date type

creation

effective date

2012-02-14

Keyword set

keyword value

originating controlled vocabulary

title

reference date

date type

creation

effective date

2015-04-07

Keyword set

keyword value

originating controlled vocabulary

title

reference date

date type

creation

effective date

2006-08-31

Keyword set

keyword value

originating controlled vocabulary

title

reference date

date type

creation

effective date

2017-05-12

Geographic location

West bounding longitude

-4.2613

East bounding longitude

-4.1719

North bounding latitude

51.0955

South bounding latitude

51.0569

Extent

Extent group

authority code

title

reference date

date type

creation

effective date

2009-06-18

code identifying the extent

Western Channel and Celtic Sea

Extent group

authority code

title

reference date

date type

revision

effective date

2010-01-01

code identifying the extent

circalittoral

Extent group

authority code

title

reference date

date type

revision

effective date

2010-01-01

code identifying the extent

infralittoral

Temporal reference

Temporal extent

Begin position

2020-10-23

End position

2020-10-23

Dataset reference date

date type

publication

effective date

2020-12-01

date type

creation

effective date

2020-12-23

date type

revision

effective date

2020-11-03

Frequency of update

unknown

Quality and validity

Lineage

In order to better understand the distribution of sublittoral mussel resource in the main channel of the Taw-Torridge estuary, north Devon. Grab surveys were undertaken on 23rd October 2020. These surveys included a maximum of three grab samples, taken with a 10 kg van Veen grab, at each of 38 sampling stations positioned throughout the main channel of the estuary between approximately Crow Point to Coolstone and the estuary mouth. Surveys were conducted by an IFCA officer on board a local fishing vessel. Data include georeferenced grab success and failure data, count of mussel in each grab and mussel length data for all mussels observed. A report on this survey is available through DSIFCA online resource library. Data include georeferenced grab success/failure, count of mussel in each grab and mussel length data for all mussels observed.

Conformity

Data format

name of format

version of format

Constraints related to access and use

Constraint set

Use constraints

Data are freely available for research or commercial use providing that the originators are acknowledged in any publications produced. Charts are not to be used for navigation.

Constraint set

Limitations on public access

Contact Devon and Severn Inshore Fisheries and Conservation Authority to request full report: office@devonandsevernifca.gov.uk, 01803 854648

Responsible organisations

Responsible party

organisation name

Devon and Severn Inshore Fisheries and Conservation Authority

email address

office@devonandsevernifca.gov.uk

responsible party role

originator

Responsible party

organisation name

Devon and Severn Inshore Fisheries and Conservation Authority

email address

office@devonandsevernifca.gov.uk

responsible party role

custodian

Metadata on metadata

Metadata point of contact

organisation name

Devon and Severn Inshore Fisheries and Conservation Authority

email address

office@devonandsevernifca.gov.uk

responsible party role

pointOfContact

Metadata date

2020-12-01

Metadata language