Scottish scallop stocks: results of 2023 stock assessments

This report presents the results of Scottish regional king scallop stock assessments carried out by the Marine Directorate including data up to 2022. It also provides background information on Scottish fisheries for scallops, and the current management and regulatory framework.


6. References

Berg, C. W., and Nielsen, A. 2016. Accounting for correlated observations in an age-based state-space stock assessment model. – ICES Journal of Marine Science, 73: 1788-1797.

Cook, R, Bailey, N, McKay, D, Howell, D, Fraser, D. and Thain, S. 1990. Report of an internal scallop workshop 23-27 April 1990. Scottish Fisheries Working Paper No. 5/90, 7pp.

Dobby, H., Fryer, R., Gibson, T., Kinnear, S., Turriff, J. and McLay, A. 2017. Scottish Scallop Stocks: Results of 2016 Stock Assessments. Scottish Marine and Freshwater Science, Vol 8, No. 21.

EC 2008. Directive 2008/56/EC of the European parliament and of the council of 17 June 2008 establishing a framework for community action in the field of marine environmental policy (Marine Strategy Framework Directive). Official Journal of the European Union, L 146: 19-40.

Fryer R.J. 2002. TSA: is it the way? Appendix D in Report of Working Group on Methods of Fish Stock Assessment, Dec.2001. ICES CM 2002/D:01, 86–93.

ICES. 1998. Report of the Study Group on the Precautionary Approach to Fisheries Management. 3-6 February 1998, Copenhagen, Denmark. ICES CM 1998/ACFM:10.

ICES. 2007. Report of the Workshop on Limit and Target Reference Points [WKREF], 29 January – 2 February 2007, Gdynia, Poland. Document Number. 89 pp.

ICES, 2010. Report of the Workshop on Implementing the ICES Fmsy framework , 22-26 March 2010, Copenhagen, Denmark. ICESCM 2010/ACOM:54. 83 pp.

ICES. 2016. Report of the Workshop to consider FMSY ranges for stocks in ICES categories 1 and 2 in Western Waters (WKMSYREF4), 13–16 October 2015, Brest, France. ICES CM 2015/ACOM:58. 183 pp.

ICES. 2020. Workshop on Catch Forecast from Biased Assessments (WKFORBIAS; outputs from 2019 meeting). ICES Scientific Reports. 2:28. 38 pp.

ICES. 2023a. Scallop Assessment Working Group(WGScallop; Outputs from 2022 meeting). ICES Scientific Reports. 5:08. 75 pp.

ICES. 2023b. Workshop on Scallop Aging II (WKSA2). ICES Scientific Reports. 5:91. 42 pp.

ICES. 2024a. Working Group on the Assessment of Demersal Stocks in the North Sea and Skagerrak (WGNSSK). ICES Scientific Reports. 6:38. 1659 pp.

ICES. 2024b. Scallop Assessment Working Group (WGScallop). ICES Scientific Reports. 06:104. 96 pp.

Leslie B., Laurenson, C., Shelmerdine R., Gear D.J.R., & Winter, K.A. 2009. Shetland Shellfish Stock Assessments 2009. NAFC Marine Centre Report. 100pp.

MSC, 2025. MSC fisheries assessments: SSMO Shetland inshore brown crab and scallop fishery. Final draft report.

Nielsen, A. and Berg, C.W. 2014. Estimation of time-varying selectivity in stock assessments using state-space models. Fisheries Research, 158:96-101.

New Zealand Government. 2011. Summary of the most recent New Zealand fishery, biological, stock assessment and stock status information on scallops (SCACS). Ministry of Fisheries, New Zealand Government.

SAW Invertebrate Subcommittee 2004. Stock assessment for Atlantic Sea Scallops (Placopecten magellanicus) Consensus Assessment Report, SARC 39.

Silvar-Viladomiu, P., Batts, L., Minto, C., Millar, D.,& Lordan, C. 2022. An empirical review of ICES reference points. ICES Journal of Marine Science, 2022, 79, 2563–2578.

The Sea Fisheries (Remote Electronic Monitoring and Regulation of Scallop Fishing) (Scotland) Regulations 2024 (SSI 2024 No. 165).

Scottish Government, 2016. Simple guide to fisheries management measure in Marine Protected Areas. Published by The Scottish Government.

Vahl, O. 1982. Long-term variation in recruitment of the Icelandic scallop, Chlamys islandica, from northern Norway. Netherlands Journal of Sea Research 16:80-87.

Contact

Email: mss.fisheries.advice@gov.scot

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