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Nr. 13: ICES co-ordinated acoustic survey on Herring and Sprat in the North Sea

Rapportserie: Toktrapport 13-2009 ISSN:1503-6294 Publisert: 02.07.2009 Oppdatert: 01.03.2022

Sammendrag

Objectives for this survey with RV “Johan Hjort” were:
a) To conduct an acoustic survey to estimate the abundance and distribution of herring and sprat in the north-eastern part of the North Sea, between 57°00’and 62° N, and between 2° and 5° E.
b) To obtain biological samples. Herring were sampled for data on length, weight, age, sex, maturity and vertebrae count and infection by Ichthyphonus

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Nr. 13: ICES co-ordinated acoustic survey on Herring and Sprat in the North Sea (PDF)

HTTP/1.0 200 OK Server: Zope/(2.13.22, python 2.7.18, linux2) ZServer/1.1 Date: Tue, 13 May 2025 03:42:32 GMT Access-Control-Allow-Headers: x-requested-with,content-type Charset: utf-8 Connection: close Access-Control-Allow-Credentials: True Access-Control-Allow-Origin: * Access-Control-Allow-Methods: GET, OPTIONS Content-Type: text/html Nr. 13: ICES co-ordinated acoustic survey on Herring and Sprat in the North Sea | Havforskningsinstituttet Gå til hovedinnhold
Havforskningsinstituttet HI Åpne/Lukke hovedmeny
English <- Tilbake

Nr. 13: ICES co-ordinated acoustic survey on Herring and Sprat in the North Sea

Rapportserie: Toktrapport 13-2009 ISSN:1503-6294 Publisert: 02.07.2009 Oppdatert: 01.03.2022

Sammendrag

Objectives for this survey with RV “Johan Hjort” were:
a) To conduct an acoustic survey to estimate the abundance and distribution of herring and sprat in the north-eastern part of the North Sea, between 57°00’and 62° N, and between 2° and 5° E.
b) To obtain biological samples. Herring were sampled for data on length, weight, age, sex, maturity and vertebrae count and infection by Ichthyphonus

Last ned rapporten

Nr. 13: ICES co-ordinated acoustic survey on Herring and Sprat in the North Sea (PDF)