Browsing SINTEF Open by Author "Grimaldo, Eduardo"
Now showing items 21-40 of 53
-
Field demonstration of a novel towed, area bubble-plume zooplankton (Calanus sp.) harvesting approach
Grimaldo, Eduardo; Leifer, Ira; Gjøsund, Svein Helge; Larsen, Roger B.; Jeuthe, Henrik (SINTEF Fiskeri og havbruk rapporter;A103038, Research report, 2010-05-25)This paper presents field experiment results of using a new technology to harvest copepods (Calanus sp.) in the ocean by bubble upwelling. Two largo-scale bubble rafts, a 21 m2 and a flexible 75 m2 bubble raft with tow ... -
Fishing efficiency of biodegradable PBSAT gillnets and conventional nylon gillnets used in Norwegian cod (Gadus morhua)and saithe (Pollachius virens)fishery.
Grimaldo, Eduardo; Herrmann, Bent; Vollstad, Jørgen; Su, Biao; Føre, Heidi Moe; Larsen, Roger B.; Tatone, Ivan (Journal article; Peer reviewed, 2018-09-10)Fishing trials were carried out to compare the relative fishing efficiency of gillnets made of a new biodegradable resin (polybutylene succinate co-adipate-co-terephthalate, PBSAT) with conventional (nylon) nets. The fishing ... -
FishTech 2012 Utfordringer og muligheter med trål som fiskeredskap
Henriksen, Kristian; Grimaldo, Eduardo (SINTEF Fiskeri og havbruk;A23708, Research report, 2012-12-04)Fiskeri og havbruksnæringens forskningsfond (FHF), Norges forskningsråd/MAROFF, Innovasjon Norge, Fiskeri- og kystdepartementet og Fiskebåtredernes forbund, en dialogkonferanse med fokus på redskapsutvikling innen fiskeflåten. ... -
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 ... -
Ghost fishing efficiency by lost, abandoned or discarded pots in snow crab (Chionoecetes opilio) fishery
Cerbule, Kristine; Herrmann, Bent; Grimaldo, Eduardo; Brinkhof, Jesse; Sistiaga, Manu; Larsen, Roger B.; Bak-Jensen, Zita (Journal article; Peer reviewed, 2023)Marine pollution by lost, abandoned or otherwise discarded fishing gear (ALDFG) often has negative impact on the ecosystem through plastic pollution and continuous capture of marine animals, so-called “ghost fishing”. ALDFG ... -
Governance implications for the implementation of biodegradable gillnets in Norway
Standal, Dag; Grimaldo, Eduardo; Larsen, Roger B. (Peer reviewed; Journal article, 2020)Gillnets are among the most widely used fishing gear in global fisheries because of their simplicity, high operability, catch efficiency and low entrance cost for fishermen. In Norway, the Northeast Atlantic (NEA) cod ... -
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 ... -
Improved bycatch reduction in the mixed demersal trawl fishery for Norway pout (Trisopterus esmarkii)
Grimaldo, Eduardo; Brinkhof, Jesse; Herrmann, Bent; Cerbule, Kristine; Grimsmo, Leif; Pettersen, Hermann (Peer reviewed; Journal article, 2022)In this study, we compared the bycatch reduction capacity of a trawl fitted with a standard rigid sorting grid with that of a trawl fitted with a newly developed, flexible system called the Excluder. We conducted the fishing ... -
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 ... -
Increasing sustainability in food production by using alternative bait in snow crab (Chionoecetes opilio) fishery in the barents sea
Cerbule, Kristine; Grimsmo, Leif; Herrmann, Bent; Grimaldo, Eduardo (Journal article; Peer reviewed, 2023)The use of food grade wild-captured species as bait for other fisheries questions the sustainability of food production. In pot fisheries, bait is an important factor determining the effectiveness of the gear. In snow crab ... -
Industriell utnyttelse av mesopelagisk fisk - ILLUM - Rapport til Fiskeridirektoratet i forbindelse med tilskudd til fiskeriforskning 2018, F.dir. ref. 17/17061
Grimsmo, Leif; Grimaldo, Eduardo; Toldnes, Bendik; Indergård, Erlend; Tveit, Guro Møen; Sistiaga, Manu Berrondo (SINTEF Ocean rapporter;2018:01302 A, Research report, 2018-12-12)I perioden mai-juni 2018 ble det gjennomført et 6 ukers tokt med den pelagiske tråleren "Birkeland" langs den midtatlantiske rygg, ned mot Vest-Afrika og opp fra Kapp Verde til Azorene. Deltagere på toktet var 6 vitenskapelig ... -
Institutional nuts and bolts for a mesopelagic fishery in Norway
Standal, Dag; Grimaldo, Eduardo (Journal article; Peer reviewed, 2020-09)While most commercial fish stocks in the north Atlantic are regulated with TAC's (total allowable catch), access regulations and IVQ's (individual vessel quotas), harvesting mesopelagic fish resources, such as pearlsides ... -
Investigating the potential for a commercial fishery in the Northeast Atlantic utilizing mesopelagic species
Grimaldo, Eduardo; Grimsmo, Leif; Álvarez, Paula; Herrmann, Bent; Tveit, Guro Møen; Tiller, Rachel; Slizyte, Rasa; Aldonondo, Naroa; Guldberg, Trude; Toldnes, Bendik; Carvajal, Ana Karina; Schei, Marte; Selnes, Merethe (Peer reviewed; Journal article, 2020)During three cruises in the Mid Atlantic Ridge area in 2016 and 2017, we studied the biomass of mesopelagic fish and its potential as a source of protein and oil for animal feed and human consumption. We collected samples ... -
Kartlegging av mulige løsninger rundt bruk av nedbrytbare materialer i fiske med garn for å redusere faren for spøkelsesfiske
Grimaldo, Eduardo; Rindahl, Lasse; Sistiaga, Manu Berrondo; Langedal, Gjermund; Jensen, Jack; Jørgensen, Bjørn (SINTEF Fiskeri og havbruk rapporter;A21536, Research report, 2012-01-03)Tapte fiskeredskap og spøkelsesfiske utgjør et stort miljøproblem både nasjonalt og internasjonalt. Enkelte redskap utgjør en betydelig skjult, uønsket og unødvendig form for beskatning av ressursene, og skaper i tillegg ... -
Mesopelagics–New gold rush or castle in the sky?
Fjeld, Kristian; Tiller, Rachel; Grimaldo, Eduardo; Grimsmo, Leif; Standal, Inger Beate (Peer reviewed; Journal article, 2023)The growing world population requires large, renewable sources of nutritional food. Fish and other marine resources are nutrient dense and rich in healthy marine omega-3 lipids (EPA and DHA) beneficial to humans and animals ... -
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 ... -
MultiSEPT – Initial model scale tests of traditional and alternative trawl ground gears
Gjøsund, Svein Helge; Hansen, Kurt; Sistiaga, Manu Berrondo; Grimaldo, Eduardo (SINTEF Fiskeri og havbruk rapporter;A23318, Research report, 2012-08-31)This report describes initial model scale experiments with lighter ground gear in bottom trawls in the MultiSEPT project. This includes tests with traditional rockhopper gear, skirt, modified skirts, modified plate gears ... -
Ny skånsom pose for trål og snurrevad. Utvikling og testing av konsept for trålpose som opprettholder start volum og lav innvendig strømningshastighet uten å redusere innstrømningshastigheten til posen.
Gjøsund, Svein Helge; Hansen, Kurt; Enerhaug, Birger; Grimaldo, Eduardo; Sistiaga, Manu Berrondo (SINTEF Fiskeri og havbruk rapporter;A103068, Research report, 2010-12-30)Denne rapporten beskriver utvikling og testing av et konsept for en skånsom trål og snurrevadpose som opprettholder stort volum og lav innvendig strømningshastighet uten å redusere innstrømningshastigheten til posen. Det ... -
Oil spill containment by use of air bubbles
Gjøsund, Svein Helge; McClimans, Thomas; Eidnes, Grim; Leirvik, Frode; Leifer, Ira; Grimaldo, Eduardo (SINTEF Fiskeri og havbruk rapporter;A 19518, Research report, 2011-06-16)This report summarizes the activities and results from the research project "Oil spill containment by use of air bubbles". The goal of the pro;ect has been to investigate how air bubble induced flows can be used as a barrier ... -
Potential for codends with shortened lastridge ropes to replace mandated selection devices in demersal trawl fisheries
Sistiaga, Manu; Brinkhof, Jesse; Herrmann, Bent; Larsen, Roger B.; Grimaldo, Eduardo; Cerbule, Kristine; Brinkhof, Ilmar; Jørgensen, Terje (Peer reviewed; Journal article, 2021)