Browsing ⇒ ICES: International Council for the Exploration of the Sea by Subject "Bottom trawl"

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    • SISP 1 - Manual for the International Bottom Trawl Surveys. Version 8. [ Replaced by SISP 10] 

      International Council for the Exploration of the Sea (ICES) (International Council for the Exploration of the Sea (ICES), Denmark, Copehagen, 2012)
      The International Bottom Trawl Survey Working Group (IBTSWG) coordinates fishery‐independent multi‐species bottom trawl surveys within the ICES area. These surveys aim to provide ICES assessment and science groups with ...

    • SISP 10 - Manual for the International Bottom Trawl Surveys. Revision 11. 

      International Council for the Exploration of the Sea (ICES); International Bottom Trawl Survey Working Group (International Council for the Exploration of the Sea (ICES), Copenhagen, Denmark, 2020)
      Series of ICES Survey Protocols SISP - IBTS X | 1 1 Introduction Overview of the survey The International Bottom Trawl Survey (IBTS) in the North Sea has been conducted in the 1st quarter of the year since the beginning ...

    • SISP 2 - Manual for the Midwater Ring Net sampling during IBTS Q1. Version 3. 

      International Council for the Exploration of the Sea (ICES) (International Council for the Exploration of the Sea (ICES), Denmark, Copehagen, 2017)
      The Midwater Ring Net is at present the standard gear for sampling fish larvae during the North Sea International Bottom Trawl Survey in the first quarter. Fish larvae sam-pling during the IBTS Q1 was initiated in 1977. ...

    • SISP 7 - Manual for the Baltic International Trawl Surveys (BITS). Version 2. 

      International Council for the Exploration of the Sea (ICES) (International Council for the Exploration of the Sea (ICES), Denmark, Copehagen, 2017)
      This manual describes the coordinated survey design for Baltic international trawl surveys. Randomly stratified fishing-stations location is based on ICES subdivisions and their depth layers as strata to reflect the ...