Browsing SINTEF Open by Author "Sistiaga, Manu Berrondo"
Now showing items 1-20 of 43
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Artsselektiv snurrevad - Utvikling av fangstbegrensende innretninger til snurrevadfisket
Vollstad, Jørgen; Grimaldo, Eduardo; Sistiaga, Manu Berrondo; Rindahl, Lasse; Gjøsund, Svein Helge (SINTEF Fiskeri og Havbruk;A27397, Research report, 2014-10-03)Vinteren 2013 fikk SINTEF i samarbeid med fiskebåtrederiet Tustern AS og redskapsleverandøren NOFI AS støtte fra Regionalt Forskningsfond Nord-Norge (RFFNord) til å gjennomføre et innovasjonsprosjekt på snurrevad. I ... -
Bycatch reduction in the deep-water shrimp (Pandalus borealis) trawl fishery by increasing codend mesh openness
Jacques, Nadine; Pettersen, Hermann; Cerbule, Kristine; Herrmann, Bent; Ingólfsson, Ólafur Arnar; Sistiaga, Manu Berrondo; Larsen, Roger B.; Brinkhof, Jesse; Grimaldo, Vela Eduardo; Brčić, Jure; Lilleng, Dagfinn (Peer reviewed; Journal article, 2021)In most trawl fisheries, drag forces tend to close the meshes in large areas of diamond mesh codends, negatively affecting their selective potential. In the Barents Sea deep-water shrimp (Pandalus borealis) trawl fishery, ... -
Can a large-mesh sieve panel replace or supplement the Nordmøre grid for bycatch mitigation in the northeast Atlantic deep-water shrimp fishery?
Jacques, Nadine; Herrmann, Bent; Larsen, Roger B.; Sistiaga, Manu Berrondo; Brčić, Jure; Gökçe, Gökhan; Brinkhof, Jesse (Journal article; Peer reviewed, 2019-11)The Nordmøre grid is the principle bycatch mitigation device in many shrimp trawl fisheries. However, in several of these fisheries, bycatch is a problem because small sized fish can pass through the grid and enter the ... -
Catch and release patterns for target and bycatch species in the Northeast Atlantic deep-water shrimp fishery: Effect of using a sieve panel and a Nordmøre grid
Larsen, Roger B.; Herrmann, Bent; Sistiaga, Manu Berrondo; Brinkhof, Jesse; Santos, Juan (Journal article; Peer reviewed, 2018-12-21)The Nordmøre grid and the sieve panel are two of the main devices used to reduce fish bycatch in trawl fisheries targeting shrimp species. However, even when using such devices, some small-sized fish enter the codend of ... -
Catch Efficiency of Groundgears in a Bottom Trawl Fishery: A Case Study of the Barents Sea Haddock
Larsen, Roger B.; Herrmann, Bent; Brinkhof, Jesse; Grimaldo, Eduardo; Sistiaga, Manu Berrondo; Tatone, Ivan (Journal article; Peer reviewed, 2018-10-10)The catch efficiency of two types of groundgear—a conventional rockhopper and a new type of groundgear called the semicircular spreading gear (SCSG)—was investigated through experimental fishing for Haddock Melanogrammus ... -
Catch Efficiency of Groundgears in a Bottom Trawl Fishery: A Case Study of the Barents Sea Haddock
Larsen, Roger B.; Herrmann, Bent; Brinkhof, Jesse; Grimaldo, Eduardo; Sistiaga, Manu Berrondo; Tatone, Ivan (Journal article; Peer reviewed, 2018-10-10)The catch efficiency of two types of groundgear—a conventional rockhopper and a new type of groundgear called the semicircular spreading gear (SCSG)—was investigated through experimental fishing for Haddock Melanogrammus ... -
Combination of a sorting grid and a square mesh panel to optimize size selection in the North-East Arctic cod (Gadus morhua) and redfish (Sebastes spp.) trawl fisheries
Sistiaga, Manu Berrondo; Herrmann, Bent; Grimaldo, Eduardo; Larsen, Roger B.; Olsen, Leonore; Brinkhof, Jesse; Tatone, Ivan (Journal article; Peer reviewed, 2017)Sorting grids and square mesh panels are the two most-applied technical devices to supplement codend size- and species-selection in demer- sal trawls. In the Barents Sea gadoid fishery, the compulsory size-selectivity ... -
Combination of a sorting grid and a square mesh panel to optimize size selection in the North-East Arctic cod (Gadus morhua) and redfish (Sebastes spp.) trawl fisheries
Sistiaga, Manu Berrondo; Herrmann, Bent; Grimaldo, Eduardo; Larsen, Roger B.; Olsen, Leonore; Brinkhof, Jesse; Tatone, Ivan (Journal article; Peer reviewed, 2017-11)Sorting grids and square mesh panels are the two most-applied technical devices to supplement codend size- and species-selection in demer- sal trawls. In the Barents Sea gadoid fishery, the compulsory size-selectivity ... -
Could green artificial light reduce bycatch during Barents Sea Deep-water shrimp trawling?
Larsen, Roger B.; Herrmann, Bent; Sistiaga, Manu Berrondo; Brcic, Jure; Brinkhof, Jesse; Tatone, Ivan (Journal article; Peer reviewed, 2018-08)The Nordmøre grid is widely used in shrimp trawls to reduce the bycatch of fish species. However, small-sized fish species and juveniles still pass through the grid and enter the codend, along with the targeted shrimp. ... -
Effect of Bait Type and Bait Size on Catch Efficiency in the European Hake Merluccius merluccius Longline Fishery
Sistiaga, Manu Berrondo; Herrmann, Bent; Rindahl, Lasse; Tatone, Ivan (Journal article; Peer reviewed, 2018-02-21)We investigated the effect of bait type and bait size on the catch ef fi ciency of a demersal longline fi shery targeting European Hake Merluccius merluccius in the North Sea. Automation of the labor-intensive processes ... -
Effect of gear soak time on size selection in the snow crab pot fishery
Olsen, Leonore; Herrmann, Bent; Sistiaga, Manu Berrondo; Grimaldo, Eduardo (Journal article; Peer reviewed, 2019-06)In the commercial pot fishery for snow crab (Chionocetes opilio), size selection by the pots is important for reducing catch sorting and unintended mortality. In addition to mesh size and shape, selection in the pots relies ... -
Effect of gear soak time on size selection in the snow crab pot fishery
Olsen, Leonore; Herrmann, Bent; Sistiaga, Manu Berrondo; Grimaldo, Eduardo (Journal article; Peer reviewed, 2019)In the commercial pot fishery for snow crab (Chionocetes opilio), size selection by the pots is important for reducing catch sorting and unintended mortality. In addition to mesh size and shape, selection in the pots relies ... -
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 ... -
Effect of pot design on the catch efficiency of snow crabs (Chionoecetes opilio) in the Barents Sea fishery
Olsen, Leonore; Herrmann, Bent; Grimaldo, Eduardo; Sistiaga, Manu Berrondo (Journal article; Peer reviewed, 2019-07-18)The snow crab (Chioneocetes opilio) fishery in the Barents Sea is carried out by large offshore vessels, as the fishing grounds are located far from shore and the gear must be transported back and forth over long distances. ... -
Effect of three different codend designs on the size selectivity of juvenile cod in the Barents Sea shrimp trawl fishery
Herrmann, Bent; Sistiaga, Manu Berrondo; Larsen, Roger B.; Brinkhof, Jesse (Journal article; Peer reviewed, 2019-11)Shrimp trawlers often use a Nordmøre sorting grid ahead of a small mesh codend to avoid bycatch of juvenile fish while allowing shrimps to be efficiently caught. However, small fish can pass through the grid to enter the ... -
External damage to trawl-caught Northeast arctic cod (Gadus morhua): Effect of codend design
Tveit, Guro Møen; Sistiaga, Manu Berrondo; Herrmann, Bent; Brinkhof, Jesse (Journal article; Peer reviewed, 2019-06)The purpose of this study was to investigate the extent of external damage (gear marks, pressure injuries, ecchymosis and skin abrasion) present on trawl-caught cod (Gadus morhua) and to examine whether the extent of damage ... -
Fangstoperasjon og fiskekvalitet Tokt med snurrevadfartøyet Harhaug mars 2012
Digre, Hanne; Sistiaga, Manu Berrondo; Grimaldo, Eduardo; Schei, Marte (SINTEF Fiskeri og havbruk rapporter;A25246, Research report, 2013-10-16)Målsettingen med toktet var å undersøke hvordan de forskjellige delene i nota beveger seg under fangstprosessen i snurrevadfiske, og hvordan dette påvirker overlevelse, stressnivå og fangstskader på fisken. I tillegg var ... -
Flytetrålfiske etter hvitfisk: Seleksjon i ekstrem høy tetthet av fisk - Rapport fra tokt med tråleren "Ramoen" 19.oktober - 30.oktober 2011
Sistiaga, Manu Berrondo; Grimaldo, Eduardo (SINTEF Fiskeri og havbruk rapporter;A23178, Research report, 2012-06-30)Formålet med dette toktet var å vurdere seleksjon av tre seleksjonssystemet under svært høy tetthet av pelagisk fisk og med store fangst. Vi testet en T90 sekk, en 135 mm sekk med 130 mm Exit Window (EW), og en 55m fleksirist ... -
Hastighetsmålinger i 2- og 4-panel enkeltristseksjoner
Gjøsund, Svein Helge; Grimaldo, Eduardo; Sistiaga, Manu Berrondo; Hansen, Kurt (SINTEF Fiskeri og havbruk rapporter;A24698, Research report, 2013-08-14)Tilgangen på torsk har de siste årene vært så god at løsninger for å begrense og tilpasse fangstemengden til fartøyenes produksjonskapasitet har kommet i fokus. Sorteringsristsystemer er sentrale her, ved at de utgjør en ... -
Improving release efficiency of cod (Gadus morhua) and haddock (Melanogrammus aeglefinus) in the Barents Sea demersal trawl fishery by stimulating escape behaviour.
Grimaldo, Eduardo; Sistiaga, Manu Berrondo; Herrmann, Bent; Larsen, Roger B.; Brinkhof, Jesse; Tatone, Ivan (Journal article; Peer reviewed, 2017-05-03)We tested the ability of stimulators to improve the release efficiency of cod (Gadus morhua) and haddock (Melanogrammus aeglefinus) through the meshes of a square mesh section installed in a trawl. The section was tested ...