The column headers are:

Statistical district
Description: statistical salmon fishery district identifier
Unit:
Type: categorical
Levels: 107
Note: Single salmon fishery district as designated in The Salmon Fisheries (Scotland) Act 1868 and The Scotland Act 1998 (River Tweed) Order 2006. Statistical salmon fishery districts are described in “Collecting the Marine Scotland Salmon and Sea Trout Fishery Statistics” {http://www.gov.scot/ISBN/9781805258438}. No rod catch has been reported from the Gour and Orkney Districts.

Statistical district ID
Description: numerical statistical salmon fishery district identifier
Unit:
Type: categorical
Levels: 107
Note: orders statistical salmon fishery disticts alphabetically. No rod catch has been reported from the statistical districts with ID 48 (Gour) and 109 (Orkney).

Report order
Description: spatial ordering of statistical salmon fishery districts
Unit:
Type: categorical
Levels: 107
Note: orders statistical salmon fishery districts spatially, counter-clockwise from Tweed. No rod catch has been reported from the districts with Report Order 66 (Gour) and 100 (Orkney).

District
Description: salmon fishery district identifier
Unit: none
Type: categorical
Levels: 53
Note: Salmon Fishery Districts as described in current legislation. The Conservation of Salmon (Annual Close Time and Catch and Release) (Scotland) Regulations 2014 contain links (via footnotes) to district designation orders which supersede The Salmon Fisheries (Scotland) Act 1868. No rod catch has been reported from the Orkney Islands District.

Region
Description: salmon fishery region
Unit:
Type: categorical
Levels: Clyde Coast, East, Moray Firth, North, North East, North West, Outer Hebrides, Shetland, Solway, West Coast
Note: See “Collecting the Marine Scotland Salmon and Sea Trout Fishery Statistics” {http://www.gov.scot/ISBN/9781805258438}. No rod catch has been reported from the Orkney region.

Method
Description: fishing method
Unit:
Type: categorical
Levels: Rod: Retained, Rod: Released
Note: Released rod caught fish have been reported since 1994

Year
Description: year of season fish were reported caught
Unit:
Type: discrete
Range: 1952 to 2025
Note:

Month
Description: month fish were reported to have been caught
Unit:
Type: discrete
Range: January to November
Note:

Month number
Description: number of month that fish were reported caught
Unit:
Type: discrete
Range: 1 to 11
Note:

Wild MSW number
Description: number of wild multi sea-winter salmon reported caught
Unit:
Type: continuous
Range: 0 to 4688
Note:

Wild MSW weight (kg)
Description: weight of wild multi sea- winter salmon reported caught
Unit: kg
Type: continuous
Range: 0.0 to 22866.5
Note:

Wild 1SW number
Description: number of wild one sea-winter salmon reported caught
Unit:
Type: continuous
Range: 0 to 2640
Note:

Wild 1SW weight (kg)
Description: weight of wild one sea-winter salmon reported caught
Unit:
Type: continuous
Range: 0.0 to 5843.2
Note:

**Sea trout number **
Description: number of adult sea trout reported caught
Unit:
Type: continuous
Range: 0 to 3005
Note: Categories used to report sea trout data have varied throughout the time series and are detailed in “Collecting the Marine Scotland Salmon and Sea Trout Fishery Statistics” {http://www.gov.scot/ISBN/9781805258438}

Sea trout weight (kg)
Description: weight of adult sea trout reported caught
Unit: kg
Type: continuous
Range: 0.0 to 3413.3
Note: Categories used to report sea trout data have varied throughout the time series and are detailed in “Collecting the Marine Scotland Salmon and Sea Trout Fishery Statistics” {http://www.gov.scot/ISBN/9781805258438}

Finnock number
Description: number of finnock reported caught
Unit:
Type: continuous
Range: blank, 0 to 989
Note: Finnock (may also be known as whitling or herling) have been reported since 2004 and are not included in the sea trout figures. Cells are blank from 1952 to 2003

Finnock weight (kg)
Description: weight of finnock reported caught
Unit: kg
Type: continuous
Range: blank, 0.0 to 448.6
Note: Finnock (may also be known as whitling or herling) have been reported since 2004 and are not included in the sea trout figures. Cells are blank from 1952 to 2003

Farmed MSW number
Description: number of farmed-origin multi sea-winter salmon reported caught
Unit:
Type: continuous
Range: blank, 0 to 162
Note: Farmed-origin fish have been reported since 1994. Cells are blank from 1952 to 1993

Farmed MSW weight (kg)
Description: weight of farmed-origin multi sea-winter salmon reported caught
Unit: kg
Type: continuous
Range: blank, 0.0 to 607.5
Note: Farmed-origin fish have been reported since 1994. Cells are blank from 1952 to 1993

Farmed 1SW number
Description: number of farmed-origin one sea-winter salmon reported caught
Unit:
Type: continuous
Range: blank, 0 to 272
Note: Farmed-origin fish have been reported since 1994. Cells are blank from 1952 to 1993

Farmed 1SW weight (kg)
Description: weight of farmed-origin one sea-winter salmon reported caught
Unit: kg
Type: continuous
Range: blank, 0.0 to 641.4
Note: Farmed-origin fish have been reported since 1994. Cells are blank from 1952 to 1993

Salmon rod effort
Description: number of rod days reported as fished for salmon
Unit: rod days
Type: continuous
Range: blank, 0 to 4779
Note: To prevent duplication salmon rod effort is presented in Rod: Released rows only. Salmon rod effort is published from 2023. Cells are blank from 1952 to 2022, and for Rod: Retained rows from 2023 to 2025.

Percentage of salmon catch covered by effort
Description: The percentage of total salmon catch which was reported with rod days effort, by method
Unit: percent
Type: continuous
Range: blank, 0 to 100
Note: Salmon rod effort information is published from the 2023 season onwards. Cells are blank from 1952 to 2022 and where no salmon were caught from 2023 to 2025.