The conservation status of 173 wild Atlantic salmon stocks (rivers or small groups of rivers) is assessed annually within Scotland according to how likely it is their numbers are at sustainable levels as part of the Salmon Conservation...
This metadata entry covers the data used to generate the Scottish Marine and Freshwater Science Report "Assessing spread of Didemnum vexillum in Scotland using environmental DNA", and the report itself. Report executive summary: Carpet sea squirt...
The Girnock and Baddoch catchments are long-term monitoring sites where the population dynamics of spring salmon have been assessed since 1966 and 1988 respectively. These sites include a pair of fixed traps designed to catch returning adult...
**WARNING** > The figures in this report for marine blue carbon in Scottish waters are now out of date. New research and science developments have provided updated information. Currently (2024) the most up to date assessment of Scottish blue...
While Atlantic salmon (Salmo salar L.) spawn in late autumn/early winter, their return migration to freshwater from the sea can occur at any time during the year. The diversity in the run timing of Atlantic salmon (defined as the time of return...
Recently, a genetic tool has been developed that characterises the different run timing components in Atlantic salmon, more specifically the early run. Here, we apply this tool to estimate the early running component of juvenile Atlantic salmon...
Reported rod catches of salmon, from the 2011 to 2023 seasons, and sea trout, from the 2017 to 2023 seasons, are provided by Stock Assessment Area and month. Statistical Salmon Fishery District and regional catch data are available within the...
The catch form return time series runs from 1997 to the most recently published season. The annual return of forms across all Scotland is provided as the number of forms issued, together with the numbers of forms returned reporting catch or...
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...
The reported sea trials are part of the FISP funded CodSELect project. Apart from the current trials, the project involves a number of controlled laboratory tank trials conducted in the Marine Directorate’s facilities in the Marine Laboratory in...