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- Published by:
- Department for Environment, Food and Rural Affairs
- Last updated:
- 19 December 2013
Spawning stock biomass (SSB) is the total weight of all sexually mature fish in a population. Spawning stock biomass index (1964=100(mackerel 1980=100))
- Published by:
- Scottish Government SpatialData.gov.scot
- Last updated:
- 21 September 2023
The spawning grounds of whiting (Merlangius merlangus) layer has been generated to identify the likely distribution of whiting spawning in the North Sea, taking account of certain environmental...
- Published by:
- Scottish Government SpatialData.gov.scot
- Last updated:
- 21 September 2023
The spawning grounds of Atlantic cod (Gadus morhua) layer has been generated to identify the likely distribution of Atlantic cod spawning in the North Sea, taking account of certain environmental...
- Availability:
-
Not released
- Published by:
- Centre for Environment, Fisheries & Aquaculture Science
- Last updated:
- 29 October 2019
Ichthyoplankton data from a survey carried out by RV Corystes as part of an
internationally co-ordinated series of surveys to assess the cod and plaice
spawning areas in the North Sea, organised...
- Published by:
- Scottish Government SpatialData.gov.scot
- Last updated:
- 21 September 2023
The spawning grounds of haddock (Melanogrammus aeglefinus) layer has been generated to identify the likely distribution of haddock spawning in the North Sea and West of Scotland, taking account of...
- Published by:
- Centre for Environment, Fisheries & Aquaculture Science
- Last updated:
- 16 September 2020
To identify and map spawning aggregations of cod in the eastern English
Channel and to tag the mature, spawning fish within these aggregations by
conventional means. In addition, biological...
- Published by:
- Centre for Environment, Fisheries & Aquaculture Science
- Last updated:
- 25 November 2020
Additional analyses to complement the original maps produced in 'Coull, K.A.,
Johnstone, R., and S.I. Rogers. 1998. Fisheries Sensitivity Maps in British
Waters' (published and distributed by...
- Published by:
- Joint Nature Conservation Committee
- Last updated:
- 04 February 2016
Variations in invertebrate densities within the Severn Estuary have been examined on four shores over a period of two years. Variability due to seasonal changes was combined with a patchy...
- Published by:
- Joint Nature Conservation Committee
- Last updated:
- 04 February 2016
Variations in invertebrate densities within the Severn Estuary have been examined on four shores over a period of two years. Variability due to seasonal changes was combined with a patchy...
- Published by:
- Forestry Commission
- Last updated:
- 18 January 2024
Our study was driven by concerns that afforesting the headwaters of the Upper Halladale River in North Scotland would affect water quality and the local salmon fishery. The main issue was the...
- Availability:
-
Not released
- Published by:
- Centre for Environment, Fisheries & Aquaculture Science
- Last updated:
- 20 December 2021
The dataset collected includes assessment output relating to the years from
1905 to 2020 inclusive for the following variables for each stock: the annual
recruitment estimate, the stock size...
- Published by:
- Centre for Environment, Fisheries & Aquaculture Science
- Last updated:
- 14 October 2020
The dataset is a collection of Geographic Information System (GIS) shapefiles
showing the general distribution and spawning distribution of 14 fish species
selected from the 46 maps in the Olsen...
- Published by:
- Centre for Environment, Fisheries & Aquaculture Science
- Last updated:
- 16 September 2020
Oil and Gas Fisheries Risk Assessment Advice ** - ** Updated Cefas
Recommendations for Spawning Finfish – English & Welsh Blocks
- Published by:
- Environmental Information Data Centre
- Last updated:
- 02 August 2023
Frog data from the UK Environmental Change Network (ECN) terrestrial sites. Variables measured include phenology (i.e. the dates when frogs start congregating, spawning, when hatching occurs and...
- Published by:
- Environmental Information Data Centre
- Last updated:
- 16 February 2023
[THIS DATASET HAS BEEN WITHDRAWN]. Frog data from the UK Environmental Change Network (ECN) terrestrial sites. Variables measured include phenology (i.e. the dates when frogs start congregating,...
- Published by:
- Centre for Environment, Fisheries & Aquaculture Science
- Last updated:
- 25 November 2020
This data was prepared for the report 'Coull, K.A., Johnstone, R., and S.I.
Rogers. 1998. Fisheries Sensitivity Maps in British Waters' which includes
maps of the main spawning and nursery...
- Published by:
- Joint Nature Conservation Committee
- Last updated:
- 17 May 2018
This spreadsheet is the underlying data for the biodiversity indicator B2, Sustainable fisheries.
Fish are an integral component of marine biodiversity. They are an important element of the food...
- Published by:
- Centre for Environment, Fisheries & Aquaculture Science
- Last updated:
- 26 May 2021
Analysis of a plankton survey grid carried out in the Bristol Channel to
determine the extent and timing of sole spawning off Trevose Head. Numbers of
ichthyoplankton, along with associated...
- Published by:
- Centre for Environment, Fisheries & Aquaculture Science
- Last updated:
- 22 January 2020
Analysis of plankton samples collected to assess distribution of fish eggs and
larvae in the Southern Bight and Flamborough spawning grounds. Numbers of fish
eggs and larvae, some zooplankton,...
- Published by:
- Centre for Environment, Fisheries & Aquaculture Science
- Last updated:
- 05 February 2020
Analysis of two plankton survey grids carried out in the Bristol Channel to
determine the extent and timing of sole spawning off Trevose Head. Numbers of
ichthyoplankton and Nephrops larvae,...