IESSNS international mackerel-ecosystem survey (2014813) 01.07.2014-28.07.2014

- Ecosystem cruise with abundance estimation and biological sampling of Northeast Atlantic (NEA) mackerel and Norwegian spring-spawning (NSS) herring. Predetermined station net for systematic biological sampling with the standardized Multpelt 832 pelagic sampling trawl. Oceanographical measurements...

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Bibliographic Details
Main Authors: Johansen, Geir Odd, Grimsbø, Endre
Format: Report
Language:English
Published: 2015
Subjects:
Northeast Atlantic
Online Access:http://hdl.handle.net/11250/2475907
Description
Summary:- Ecosystem cruise with abundance estimation and biological sampling of Northeast Atlantic (NEA) mackerel and Norwegian spring-spawning (NSS) herring. Predetermined station net for systematic biological sampling with the standardized Multpelt 832 pelagic sampling trawl. Oceanographical measurements with CTD casts 0-500 m depth. Zooplankton sampling with WP2 vertical net hauls 0-200 m depth. Acoustic mapping of pelagic fish and plankton with multi-frequency echosounder and short range multibeam sonars, 4700Nm. Opportunistic marine mammal observations.

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