Feasibility study combining North Sea and Atlantic mackerel egg surveys

C.J.G. van Damme, A. Thorsen, T.P.A. Brunel, R.D.M. Nash

Research output: Book/ReportReportProfessional

Abstract

Mackerel Scomber scombrus is a widely distributed species with a high economic and ecological importance. The North East Atlantic mackerel comprises three different spawning components. The Spawning Stock Biomass (SSB) index from the mackerel egg surveys is used as a fisheries independent tuning index for the mackerel assessment. The North Sea mackerel triennial egg survey is carried out in the year after the egg survey of the Western and Southern spawning components. Due to this time lag currently the North Sea egg survey SSB index is not used directly in the mackerel assessment. However, the egg survey is the only available information on the mackerel spawning component in the North Sea. Can the North Sea mackerel egg survey index be incorporated in the mackerel assessment and what is the impact of the incorporation of this index? Could the North Sea and Atlantic egg surveys be carried out in the same sampling year?
LanguageEnglish
Place of PublicationIJmuiden
PublisherIMARES
Number of pages23
Publication statusPublished - 2015

Publication series

NameReport / IMARES Wageningen UR
PublisherIMARES
No.C124/15

Fingerprint

feasibility study
egg
spawning
biomass
sea
fishery
index
sampling
economics

Keywords

  • scomber scombrus
  • mackerels
  • spawning
  • fish eggs
  • fisheries
  • north sea

Cite this

van Damme, C. J. G., Thorsen, A., Brunel, T. P. A., & Nash, R. D. M. (2015). Feasibility study combining North Sea and Atlantic mackerel egg surveys. (Report / IMARES Wageningen UR; No. C124/15). IJmuiden: IMARES.
van Damme, C.J.G. ; Thorsen, A. ; Brunel, T.P.A. ; Nash, R.D.M. / Feasibility study combining North Sea and Atlantic mackerel egg surveys. IJmuiden : IMARES, 2015. 23 p. (Report / IMARES Wageningen UR; C124/15).
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van Damme, CJG, Thorsen, A, Brunel, TPA & Nash, RDM 2015, Feasibility study combining North Sea and Atlantic mackerel egg surveys. Report / IMARES Wageningen UR, no. C124/15, IMARES, IJmuiden.

Feasibility study combining North Sea and Atlantic mackerel egg surveys. / van Damme, C.J.G.; Thorsen, A.; Brunel, T.P.A.; Nash, R.D.M.

IJmuiden : IMARES, 2015. 23 p. (Report / IMARES Wageningen UR; No. C124/15).

Research output: Book/ReportReportProfessional

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AB - Mackerel Scomber scombrus is a widely distributed species with a high economic and ecological importance. The North East Atlantic mackerel comprises three different spawning components. The Spawning Stock Biomass (SSB) index from the mackerel egg surveys is used as a fisheries independent tuning index for the mackerel assessment. The North Sea mackerel triennial egg survey is carried out in the year after the egg survey of the Western and Southern spawning components. Due to this time lag currently the North Sea egg survey SSB index is not used directly in the mackerel assessment. However, the egg survey is the only available information on the mackerel spawning component in the North Sea. Can the North Sea mackerel egg survey index be incorporated in the mackerel assessment and what is the impact of the incorporation of this index? Could the North Sea and Atlantic egg surveys be carried out in the same sampling year?

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van Damme CJG, Thorsen A, Brunel TPA, Nash RDM. Feasibility study combining North Sea and Atlantic mackerel egg surveys. IJmuiden: IMARES, 2015. 23 p. (Report / IMARES Wageningen UR; C124/15).