Migration of saithe (Pollachius virens) in the Northeast Atlantic

E.Í. Homrum; B. Hansen; S.P. Jónsson; K. Michalsen; J. Burgos; D. Righton; P. Steingrund; T. Jakobsen; R. Mouritsen; H. Hátún; H. Armannsson; J.S. Joensen

doi:10.1093/icesjms/fst048

Migration of saithe (Pollachius virens) in the Northeast Atlantic

E.Í. Homrum, B. Hansen, S.P. Jónsson, K. Michalsen, J. Burgos, D. Righton, P. Steingrund, T. Jakobsen, R. Mouritsen, H. Hátún, H. Armannsson, J.S. Joensen

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Abstract

Saithe (Pollachius virens) stocks in the Northeast Atlantic intermingle as a result of migration among stock areas. The extent of migration has been poorly quantified. Here, we estimate measures of the migration based on existing tagging data from Icelandic, Faroese
and Continental (Scotland, North Sea and Norway) waters. Saithe tagged in Icelandic waters were seldom caught outside Icelandic
waters (,1% of tag returns), whereas 42% of adult saithe tagged in Faroese waters were recaptured outside Faroese waters.
Of adult saithe tagged in Norwegian waters 6.6% were recaptured outside Continental waters. In broad terms, there was a net migration of saithe towards Icelandic waters. The distance between tagging and recapture increased with increasing size and age, with saithe
tagged in Norwegian waters moving the longest distances. The results demonstrate significant, but variable, migration rates of adult
saithe in the Northeast Atlantic. More detailed studies are needed to clarify the mechanisms behind the migration and what causes
the differences among the areas

Original language	English
Pages (from-to)	782-792
Number of pages	11
Journal	ICES Journal of Marine Science
Volume	70
Issue number	4
DOIs	https://doi.org/10.1093/icesjms/fst048
Publication status	Published - 12 May 2013

Keywords

migration
Northeast Atlantic
Pollachius virens
Saithe
tagging

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1093/icesjms/fst048

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title = "Migration of saithe (Pollachius virens) in the Northeast Atlantic",

abstract = "Saithe (Pollachius virens) stocks in the Northeast Atlantic intermingle as a result of migration among stock areas. The extent of migration has been poorly quantified. Here, we estimate measures of the migration based on existing tagging data from Icelandic, Faroeseand Continental (Scotland, North Sea and Norway) waters. Saithe tagged in Icelandic waters were seldom caught outside Icelandicwaters (,1% of tag returns), whereas 42% of adult saithe tagged in Faroese waters were recaptured outside Faroese waters.Of adult saithe tagged in Norwegian waters 6.6% were recaptured outside Continental waters. In broad terms, there was a net migration of saithe towards Icelandic waters. The distance between tagging and recapture increased with increasing size and age, with saithetagged in Norwegian waters moving the longest distances. The results demonstrate significant, but variable, migration rates of adultsaithe in the Northeast Atlantic. More detailed studies are needed to clarify the mechanisms behind the migration and what causesthe differences among the areas",

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AU - Homrum, E.Í.

AU - Hansen, B.

AU - Jónsson, S.P.

AU - Michalsen, K.

AU - Burgos, J.

AU - Righton, D.

AU - Steingrund, P.

AU - Jakobsen, T.

AU - Mouritsen, R.

AU - Hátún, H.

AU - Armannsson, H.

AU - Joensen, J.S.

PY - 2013/5/12

Y1 - 2013/5/12

N2 - Saithe (Pollachius virens) stocks in the Northeast Atlantic intermingle as a result of migration among stock areas. The extent of migration has been poorly quantified. Here, we estimate measures of the migration based on existing tagging data from Icelandic, Faroeseand Continental (Scotland, North Sea and Norway) waters. Saithe tagged in Icelandic waters were seldom caught outside Icelandicwaters (,1% of tag returns), whereas 42% of adult saithe tagged in Faroese waters were recaptured outside Faroese waters.Of adult saithe tagged in Norwegian waters 6.6% were recaptured outside Continental waters. In broad terms, there was a net migration of saithe towards Icelandic waters. The distance between tagging and recapture increased with increasing size and age, with saithetagged in Norwegian waters moving the longest distances. The results demonstrate significant, but variable, migration rates of adultsaithe in the Northeast Atlantic. More detailed studies are needed to clarify the mechanisms behind the migration and what causesthe differences among the areas

AB - Saithe (Pollachius virens) stocks in the Northeast Atlantic intermingle as a result of migration among stock areas. The extent of migration has been poorly quantified. Here, we estimate measures of the migration based on existing tagging data from Icelandic, Faroeseand Continental (Scotland, North Sea and Norway) waters. Saithe tagged in Icelandic waters were seldom caught outside Icelandicwaters (,1% of tag returns), whereas 42% of adult saithe tagged in Faroese waters were recaptured outside Faroese waters.Of adult saithe tagged in Norwegian waters 6.6% were recaptured outside Continental waters. In broad terms, there was a net migration of saithe towards Icelandic waters. The distance between tagging and recapture increased with increasing size and age, with saithetagged in Norwegian waters moving the longest distances. The results demonstrate significant, but variable, migration rates of adultsaithe in the Northeast Atlantic. More detailed studies are needed to clarify the mechanisms behind the migration and what causesthe differences among the areas

KW - migration

KW - Northeast Atlantic

KW - Pollachius virens

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KW - tagging

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Migration of saithe (Pollachius virens) in the Northeast Atlantic

Abstract

Keywords

UN SDGs

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