Browsing SINTEF rapporter by Author "Tatone, Ivan"

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    • Effect of lifting the sweeps on bottom trawling catch efficiency on the Northeast arctic cod trawl fishery 

      Sistiaga, Manu Berrondo; Grimaldo, Eduardo; Herrmann, Bent; Larsen, Roger B.; Tatone, Ivan (SINTEF Fiskeri og havbruk;A26220, Research report, 2014-07-01)
      Fuel consumption and environmental concerns have led bottom trawlers fishing for cod (Gadus morhua) in the Barents Sea to use semi-pelagic doors. However, this change may affect fish herding and consequently the catch ...

    • MultiSEPT - Full scale tests of the semicircular spreading gear (SCSG) 

      Grimaldo, Eduardo; Sistiaga, Manu Berrondo; Larsen, Roger B.; Tatone, Ivan; Olsen, fredrik (SINTEF Fiskeri og havbruk;A24271, Research report, 2013-06-24)
      This report describes full scale tests at sea with the semi-circular spreading gear (SCSG). This activity is part of Work Package 3 (WP3: Development of new ground gear of the MultiSEPT project. spreading of the SCSG and ...

    • Use of semi-pelagic trawling for reducing bycatch in shrimp trawls. Trials onboard R/V Johan Ruud 02-06 February 2015 

      Sistiaga, Manu Berrondo; Grimaldo, Eduardo; Larsen, Roger B.; Tatone, Ivan; Vollstad, Jørgen; Herrmann, Bent (SINTEF Fiskeri og havbruk reports;A26979, Research report, 2015)
      The present study evaluates whether lifting the trawl doors and sweeps from the seabed can reduce bycatch in shrimp trawl fisheries. We carried out a catch comparison and catch ratio analysis between two gear setups, one ...