Identification

Title

Phenological changes in growth in cod as an indicator of climate change

Abstract

Cod (*Gadus morhua*) stocks in the North Sea have declined to historically low levels of abundance and are considered to be suffering from a reduced ability to reproduce. In this situation there is considerable concern about the way in which climate change may affect the ability of these stocks to recover. Theoretical studies based on the effects of temperature on growth and spawning success or recruitment suggest that increases in temperature may result in the decline and subsequent disappearance of cod from the North Sea. Consequently it is useful to look at long time series data to see whether there is evidence for direct impacts of temperature changes on cod. Data includes otolith age, length and growth increment measurements, as well as high resolution photographs.

Resource type

dataset

Resource locator

https://data.cefas.co.uk/view/3102

name: Cefas Data Portal

description: The Cefas Data Portal contains metadata records and data sets available to download and connect to in support of our commitment to open science. Data is available in the following formats: CSV.

function: download

Unique resource identifier

code

CEFAS3102

codeSpace

https://data.cefas.co.uk

Dataset language

eng

Spatial reference system

code identifying the spatial reference system

Classification of spatial data and services

Topic category

biota

Keywords

Keyword set

keyword value

originating controlled vocabulary

title

reference date

date type

revision

effective date

2011-03-25

Keyword set

keyword value

originating controlled vocabulary

title

reference date

date type

publication

effective date

2008-06-01

Keyword set

keyword value

originating controlled vocabulary

title

reference date

date type

publication

effective date

2008-06-01

Keyword set

keyword value

originating controlled vocabulary

title

reference date

date type

revision

effective date

2010-05-18

Keyword set

keyword value

originating controlled vocabulary

title

reference date

date type

publication

effective date

2012-01-11

Keyword set

keyword value

originating controlled vocabulary

title

reference date

date type

publication

effective date

2012-01-11

Geographic location

West bounding longitude

1.50

East bounding longitude

55.00

North bounding latitude

80.00

South bounding latitude

51.50

Temporal reference

Temporal extent

Begin position

1979

End position

2005

Dataset reference date

date type

publication

effective date

2014-11-26

date type

revision

effective date

2023-02-09

date type

creation

effective date

2014-06-02

Frequency of update

notPlanned

Quality and validity

Lineage

One way in which it is possible to study changes in fish growth is through archival material maintained by a number of fisheries institutes. This study used samples of cod otoliths from archives covering the period 1985-2005 in the southern North Sea and 1979-2005 in the Barents Sea in the North East Arctic. All samples measured at x10 magnification.

Conformity

Conformity report

specification

title

reference date

date type

publication

effective date

2013-12-10

degree

false

explanation

See the referenced specification

Conformity report

specification

title

reference date

date type

publication

effective date

2010-12-08

degree

true

explanation

See the referenced specification

Data format

name of format

Unknown

version of format

Constraints related to access and use

Constraint set

Limitations on public access

Constraint set

Limitations on public access

Responsible organisations

Responsible party

organisation name

Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS)

full postal address

Cefas Lowestoft Laboratory

Pakefield Road

Lowestoft

NR33 0HT

UK

email address

data.manager@cefas.co.uk

responsible party role

originator

Responsible party

organisation name

Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS)

full postal address

Cefas Lowestoft Laboratory

Pakefield Road

Lowestoft

NR33 0HT

UK

email address

data.manager@cefas.co.uk

responsible party role

custodian

Responsible party

organisation name

Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS)

full postal address

Cefas Lowestoft Laboratory

Pakefield Road

Lowestoft

NR33 0HT

UK

email address

data.manager@cefas.co.uk

responsible party role

distributor

Responsible party

organisation name

Department for Environment, Food and Rural Affairs (DEFRA)

email address

defra.helpline@defra.gov.uk

responsible party role

owner

Metadata on metadata

Metadata point of contact

organisation name

Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS)

full postal address

Cefas Lowestoft Laboratory

Pakefield Road

Lowestoft

NR33 0HT

UK

email address

data.manager@cefas.co.uk

responsible party role

pointOfContact

Metadata date

2023-02-09T12:48:26

Metadata language