Scallop Assessment Working Group



WGScallopWGScallopTrueKevin StokesburyEPDSG12/12/2012 9:23:00 PMkstokesbury@umassd.edu667Scallop Assessment Working Group

The ICES Scallop Assessment Working Group (WGScallop) gathers together scientists working on King, Queen, and Icelandic scallop fisheries to exchange knowledge, experience, and insights.

​​​​​​​​​​​​​​​​​​​​WGScallop provides the opportunity to address questions globally as well as locally and to share and expand resources and knowledge.

The group focuses on understanding the scallop within it's ecosystem, as well as the impacts of fishing. Work has included life history, examining effects of the environment, and the impacts of fishing on benthic communities. In particular, WGScallop have examined marine spatial planning and the potential benefits of MPAs and European marine sites as conservation zones and recruitment supply areas for scallop populations.

WGScallop data compilations include:

  • Maps of scallop distribution and distribution of fishery
  • Review of surveys
  • Assessment case studies
  • MSc thesis on effects of environmental variation on recruitment

WGScallop has identified the main data sources to be used in the advisory process, compiled information on biological parameters, made a preliminary list of assessment or management units, discussed the merits and limitations of fisheries dependent and fisheries independent methods for scallop assessment, as well as discussing the use of MPAs and effects of scallop fishing gear on marine habitats.

Future work includes 

Complete compilation of landings, effort, fishing distribution data, and deriving basic indicators of stock status

Evaluate how stock assessment methods proposed by WKLife can be applied to scallop stocks

Evaluate the potential benefit of MPAs and European marine sites as sources of scallop recruitment

Evaluate and report on by-catch species composition and also on discard mortality rates of underside scallops with reference to the EU landings obligation

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WGScallop members, ​Belfast, UK, October 2017

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