Though different fish stocks in the North Sea are caught together at the same
time they are managed on a single stock basis, primarily through the setting
of Total Allowable Catches. However, individual fishers or fleets use up
their quota for...
Sampling of individual adult salmon is used to collect information on the
size, sex and age of the fish. This information feeds directly into the stock
assessments used for national and international management of Scottish
salmon. Sampling of...
Scottish Marine and Freshwater Science Reports,Fisheries
This report presents the results of Scottish regional king scallop stock
assessments carried out by the Marine Directorate (MD) based on commercial
catch-at-age data and survey data up to 2022. Full analytical assessments
are presented for the...
These data products describe the distribution of Essential Fish Habitats
(EFH) for fish and shellfish species in Scottish waters. This contributes in
developing the evidence base on EFH, which will help the Scottish Government
in targeting future...
Data comprise sampling for wild sea trout from named sampling locations. The
number of fish, individual fish fork length and the number and life cycle
stage of any sea lice found are all recorded.
Notes on temporal and spatial coverage
Data are...
This report describes surveys carried out in the Firth of Clyde in the autumn
of 2023, and in Fleet Bay in the Solway in January 2024 as part of the
Scottish Government’s scientific trial into electrofishing for razor clams.
The survey was...
The electrofishing for razor clams trial started in February 2018 (after
public
consultation in 2016) and is currently authorised until January 2025. The
Science
Evidence, Data and Digital portfolio of the Marine Directorate (formerly
Marine...
Aggregated salmon and sea trout catch statistics are provided for 109 Salmon
Fishery Districts, covering all of Scotland.
The categories by which sea trout data have been reported have varied through
the time series (see “Collecting the Marine...
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