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

Johansen, Geir Odd; Grimsbø, Endre
Research report
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URI
http://hdl.handle.net/11250/2475907
Date
2014
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  • Cruises/Surveys 1948- (incomplete) [1224]
  • Publikasjoner fra CRIStin [2856]
Original version
9 p. Havforskningsinstituttet, 2014  
Abstract
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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