The Reference Fleet is a small group of Norwegian fishing vessels that provide the IMR with detailed information about their fishing activity and catches on a regular basis. The sampling and data management procedures are similar to the system used on board IMR’s research vessels. Data is used for management purposes including stock assessment. The FV Vester Junior is one of the 20 coastal fishing vessels along the Norwegian coast included within the IMR reference fleet.

The Reference Fleet is a small group of Norwegian fishing vessels that provide the IMR with detailed information about their fishing activity and catches on a regular basis. The sampling and data management procedures are similar to the system used on board IMR’s research vessels. Data is used for management purposes including stock assessment. The FV Brattholm is one of the 20 coastal fishing vessels along the Norwegian coast included within the IMR reference fleet.

Nephrops distribution is limited by the extent of suitable muddy sediment in which animals construct burrows. Nephrops are assessed across Europe as individual stocks in 34 functional units (FUs). This data combines the ICES functional units (based on ICES statistical rectangles), combined with the modelled extent of the muddy sediment in Scottish & adjacent waters, derived from sediment and VMS data.

Fisheries which returned coastal fixed engine or net and coble catches of salmon or sea trout to Marine Scotland Science from 2011 onwards. Fishery locations are repeated for each year that the fishery was active, i.e. reported catch data. More information on the Scottish Government salmon and sea trout fishery statistics is provided at http://www.gov.scot/Topics/marine/Publications/stats/SalmonSeaTroutCatches

Effort (days) derived from UK-registered commercial fishing activity in Scottish seas using passive gears (set nets, lines, creels/pots and traps), as recorded in last five years of published statistics. Data is redacted if less than five vessels operate within an ICES statistical rectangle (values = -1).

Effort (days) derived from UK-registered commercial fishing activity in Scottish seas using active pelagic gears (midwater trawls, seines, and trolling lines), as recorded in last five years of published statistics. Data is redacted if less than five vessels operate within an ICES statistical rectangle (values = -1).

Effort (days) derived from UK-registered commercial fishing activity in Scottish seas using active demersal gears (bottom trawls, bottom seines, and dredges), as recorded in last five years of published statistics. . Data is redacted if less than five vessels operate within an ICES statistical rectangle (values = -1).

Measuring fishing effort is important for assessing the environmental sustainability of fish stocks and the socioeconomic efficiency of fishing activity. Fishing effort describes the amount of fishing gear used on a fishing ground over a given unit of time. Effort in this case is defined as number of creels hauled per day per 4 km2. This survey interviewed 198 creel vessel skippers from four regions, two on the west and two on the east coast of Scotland. This analysis has been produced from these SAMPLED vessels only. This IS NOT a census and IS NOT a map of all creeling effort in these waters or in the survey areas. This is an indication of potential fishing effort only and if creeling is not quantified in an area in this map, that DOES NOT mean creeling is not taking place. Equally quantified effort could be higher given some creeling vessels were not surveyed. Fishing effort outside of the surveyed area was not measured.

Landings by live weight (tonnes) for commercial fishing activity in Scottish seas of shellfish (crustacean/mollusc) fish species, including UK registered fishing vessels wherever they land and non-UK vessels if landing into the UK, as recorded in last five years of published statistics. Data is redacted if less than five vessels operate within an ICES statistical rectangle (values = -1).

First sales (£GBP) from commercial fishing activity in Scottish seas of demersal (bottom dwelling) fish species, including UK registered fishing vessels wherever they land and non-UK vessels if landing into the UK, as recorded in last five years of published statistics. Data is redacted if less than five vessels operate within an ICES statistical rectangle (values = -1).