Research interests

Fishing Technology

Commercial and scientific diving

Cruise leader and cruise preparation

Increasing fish efficiency

Developing new fishing gears

By-catch and fish behavior topics

Underwater video recordings

Building and repairing of fishing gear

Teaching

 Bio-3556. Fisheri biology and harvest Technology. Lecturer and responsible for the cruise.

FSK-2008. Fangstteknologi i marint fiske. Cruise and Fishing gear

Publications in CRIStin


  • Grimaldo, Eduardo; Herrmann, Bent; Su, Biao; Føre, Heidi Moe; Vollstad, Jørgen; Olsen, Leonore; Larsen, Roger B.; Tatone, Ivan. Comparison of fishing efficiency between biodegradable PBSAT gillnets and conventional nylon (PA) gillnets. Fisheries Research 2019; Volum 213. ISSN 0165-7836.s 67 - 74.s doi: 10.1016/j.fishres.2019.01.003.

  • Sistiaga, Manu Berrondo; Herrmann, Bent; Grimaldo, Eduardo; Larsen, Roger B.; Olsen, Leonore; Brinkhof, Jesse; Tatone, Ivan. 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. (sammendrag) ICES Journal of Marine Science 2018; Volum 75 (3). ISSN 1054-3139.s 1105 - 1116.s doi: 10.1093/icesjms/fsx231.

  • Larsen, Roger B.; Herrmann, Bent; Brinkhof, Jesse; Grimaldo, Eduardo; Sistiaga, Manu Berrondo; Tatone, Ivan. Catch Efficiency of Groundgears in a Bottom Trawl Fishery: A Case Study of the Barents Sea Haddock. Marine and Coastal Fisheries 2018; Volum 10 (5). ISSN 1942-5120.s 493 - 507.s doi: 10.1002/mcf2.10048.

  • Herrmann, Bent; Sistiaga, Manu Berrondo; Grimaldo, Eduardo; Larsen, Roger B.; Olsen, Leonore; Brinkhof, Jesse; Tatone, Ivan. Size selectivity and length-dependent escape behaviour of haddock in a sorting device combining a grid and a square mesh panel. Canadian Journal of Fisheries and Aquatic Sciences 2018. ISSN 0706-652X.s doi: 10.1139/cjfas-2017-0461.

  • Larsen, Roger B.; Sistiaga, Manu Berrondo; Herrmann, Bent; Brinkhof, Jesse; Tatone, Ivan; Santos, Juan. The effect of Nordmøre grid length and angle on codend entry of bycatch fish species and shrimp catches. Canadian Journal of Fisheries and Aquatic Sciences 2018. ISSN 0706-652X.s doi: 10.1139/cjfas-2018-0069.

  • Larsen, Roger B.; Herrmann, Bent; Sistiaga, Manu Berrondo; Grimaldo, Eduardo; Tatone, Ivan; Brinkhof, Jesse. Size selection of cod (Gadus morhua) and haddock (Melanogrammus aeglefinus) in the Northeast Atlantic bottom trawl fishery with a newly developed double steel grid system. Fisheries Research 2018; Volum 201. ISSN 0165-7836.s 120 - 130.s doi: 10.1016/j.fishres.2018.01.021.

  • Grimaldo, Eduardo; Herrmann, Bent; Vollstad, Jørgen; Su, Biao; Føre, Heidi Moe; Larsen, Roger B.; Tatone, Ivan. Fishing efficiency of biodegradable PBSAT gillnets and conventional nylon gillnets used in Norwegian cod (Gadus morhua)and saithe (Pollachius virens)fishery.. ICES Journal of Marine Science 2018. ISSN 1054-3139.s doi: 10.1093/icesjms/fsy108.

  • Sistiaga, Manu Berrondo; Herrmann, Bent; Rindahl, Lasse; Tatone, Ivan. Effect of Bait Type and Bait Size on Catch Efficiency in the European Hake Merluccius merluccius Longline Fishery. Marine and Coastal Fisheries 2018; Volum 10 (1). ISSN 1942-5120.s 12 - 23.s doi: 10.1002/mcf2.10007.

  • Larsen, Roger B.; Herrmann, Bent; Sistiaga, Manu Berrondo; Brcic, Jure; Brinkhof, Jesse; Tatone, Ivan. Could green artificial light reduce bycatch during Barents Sea Deep-water shrimp trawling?. Fisheries Research 2018; Volum 204. ISSN 0165-7836.s 441 - 447.s doi: 10.1016/j.fishres.2018.03.023.

  • Larsen, Roger B.; Herrmann, Bent; Sistiaga, Manu Berrondo; Brinkhof, Jesse; Tatone, Ivan; Langård, Lise. New approach for modelling size selectivity in shrimp trawl fisheries. (fulltekst) ICES Journal of Marine Science 2018; Volum 75 (1). ISSN 1054-3139.s 351 - 360.s doi: 10.1093/icesjms/fsx117.

  • Herrmann, Bent; Sistiaga, Manu Berrondo; Rindahl, Lasse; Tatone, Ivan. Estimation of the effect of gear design changes on catch efficiency: Methodology and a case study for a Spanish longline fishery targeting hake (Merluccius merluccius). Fisheries Research 2017; Volum 185. ISSN 0165-7836.s 153 - 160.s doi: 10.1016/j.fishres.2016.09.013.

  • Larsen, Roger B.; Herrmann, Bent; Sistiaga, Manu Berrondo; Brinkhof, Jesse; Tatone, Ivan; Langård, Lise. Performance of the Nordmøre grid in shrimp trawling and potential effects of guiding funnel length and light stimulation. Marine and Coastal Fisheries 2017; Volum 9 (1). ISSN 1942-5120.s 479 - 492.s doi: 10.1080/19425120.2017.1360421.

  • Larsen, Roger B.; Herrmann, Bent; Sistiaga, Manu Berrondo; Grimaldo, Eduardo; Brinkhof, Jesse; Tatone, Ivan. Size selection of Greenland halibut (Reinhardtius hippoglossoides) in the Norwegian bottom trawl fishery with a newly developed double grid system. Journal of Northwest Atlantic Fishery Science 2017; Volum 49. ISSN 0250-6408.s 39 - 48.s doi: 10.2960/J.v49.m715.

  • Grimaldo, Eduardo; Sistiaga, Manu Berrondo; Herrmann, Bent; Larsen, Roger B.; Brinkhof, Jesse; Tatone, Ivan. Improving release efficiency of cod (Gadus morhua) and haddock (Melanogrammus aeglefinus) in the Barents Sea demersal trawl fishery by stimulating escape behaviour.. Canadian Journal of Fisheries and Aquatic Sciences 2017; Volum 75 (3). ISSN 0706-652X.s 402 - 416.s doi: 10.1139/cjfas-2017-0002.

  • Larsen, Roger B.; Herrmann, Bent; Sistiaga, Manu Berrondo; Grimaldo, Eduardo; Tatone, Ivan; Onandia, Inigo. Size selection of redfish (Sebastes spp.) in a double grid system: Estimating escapement through individual grids and comparison to former grid trials. Fisheries Research 2016; Volum 183. ISSN 0165-7836.s 385 - 395.s doi: 10.1016/j.fishres.2016.07.013.

  • Sistiaga, Manu Berrondo; Herrmann, Bent; Grimaldo, Eduardo; Larsen, Roger B.; Tatone, Ivan. The effect of sweep bottom contact on the catch efficiency of haddock (Melanogrammus aeglefinus). Fisheries Research 2016; Volum 179. ISSN 0165-7836.s 302 - 307.s doi: 10.1016/j.fishres.2016.03.016.

  • Sistiaga, Manu Berrondo; Herrmann, Bent; Grimaldo, Eduardo; Larsen, Roger B.; Tatone, Ivan. Effect of lifting the sweeps on bottom trawling catch efficiency: A study based on the Northeast arctic cod (Gadus morhua) trawl fishery. Fisheries Research 2015; Volum 167. ISSN 0165-7836.s 164 - 173.s doi: 10.1016/j.fishres.2015.01.015.

  • Grimaldo, Eduardo; Herrmann, Bent; Vollstad, Jørgen; Su, Biao; Føre, Heidi Moe; Larsen, Roger B.; Tatone, Ivan. Comparison of fishing efficiency between biodegradable PBSAT gillnets and conventional nylon gillnets in the cod (Gadus morhua) fishery in northern Norway.. ICES Annual Science Conference 2018-09-24 - 2018-09-27 2018.

  • Grimaldo, Eduardo; Herrmann, Bent; Su, Biao; Føre, Heidi Moe; Vollstad, Jørgen; Olsen, Leonore; Larsen, Roger B.; Tatone, Ivan. COMPARISON OF FISHING EFFICIENCY BETWEEN BIODEGRADABLE PBSAT GILLNETS AND CONVENTIONAL NYLON (PA) GILLNETS. ICES annual meeting of theworking group on Fisheries Technology and Fish behaviour 2018-06-04 - 2018-06-09 2018.

  • Brinkhof, Jesse; Larsen, Roger B.; Tatone, Ivan. Further experiments with LED-lights along the fishing line to reduce the by-catch of juvenile fish in the Norwegian shrimp trawl fishery. 2016.

  • Larsen, Roger B.; Herrmann, Bent; Sistiaga, Manu Berrondo; Grimaldo, Eduardo; Tatone, Ivan; Onandia, Inigo. Size selection of redfish (Sebastesspp.) in a double grid system: quantifying the escapement through individual grids and comparisons with former grid trials in Norway.. ICES FAO annual meeting of the Fisheries Technology and Fish Behaviour Working Group 2015-05-04 - 2015-05-07 2015.

  • Larsen, Roger B.; Tatone, Ivan. New approaches to by-catch reduction in bottom trawling for shrimp Pandalus borealis. ICES FAO annual meeting of the Fisheries Technology and Fish Behaviour Working Group 2015-05-04 - 2015-05-07 2015.

  • Sistiaga, Manu Berrondo; Grimaldo, Eduardo; Larsen, Roger B.; Tatone, Ivan; Vollstad, Jørgen; Herrmann, Bent. Use of semi-pelagic trawling for reducing bycatch in shrimp trawls. Trials onboard R/V Johan Ruud 02-06 February 2015. 2015 ISBN 978-82-14-05883-3.

  • Sistiaga, Manu Berrondo; Grimaldo, Eduardo; Herrmann, Bent; Larsen, Roger B.; Tatone, Ivan. Effect of lifting the sweeps on bottom trawling catch efficiency on the Northeast arctic cod trawl fishery. (SINTEF report 2014). 2014 ISBN 978-82-14-05730-0.

  • Sistiaga, Manu Berrondo; Grimaldo, Eduardo; Herrmann, Bent; Larsen, Roger B.; Tatone, Ivan. Effect of lifting the sweeps on bottom trawling catch efficiency on the Northeast arctic cod trawl fishery. 2014 ISBN 978-82-14-05730-0.

  • Sistiaga, Manu Berrondo; Herrmann, Bent; Grimaldo, Eduardo; Larsen, Roger B.; Tatone, Ivan. Effects in Catch Efficiency As Consequence of lifting the Sweeps in the Northeast Arctic Gadoid Bottom Trawl Fishery (Foredrag Quebek 2014). Annual meeting of the American Fisheries Society 2014-08-17 - 2014-08-21 2014.

  • Larsen, Roger B.; Lilleng, Dagfinn; Breen, Michael; Tatone, Ivan; Josefsen, Thorvald. Seleksjon i torsketrål med 4-panels seksjon og ny type sorteringsrist sammenlignet mot standard Enkel-rist (stål) i 2 panels seksjon. 2013.

  • Grimaldo, Eduardo; Sistiaga, Manu Berrondo; Larsen, Roger B.; Tatone, Ivan; Olsen, fredrik. MultiSEPT - Full scale tests of the semicircular spreading gear (SCSG). 2013 ISBN 978-82-14-05578-8.

  • Grimaldo, Eduardo; Sistiaga, Manu Berrondo; Larsen, Roger B.; Tatone, Ivan. MultiSEPT - Full scale tests of the semicircular spreading gear (SCSG). 2013 ISBN 978-82-14-05578-8.

  • Larsen, Roger B.; Tatone, Ivan. MV "Ingvaldson" on longline fishery. 2012.

  • Tatone, Ivan; Larsen, Roger B.. Råstoffkvalitet på garnfanget fisk. 2012.

  • Larsen, Roger B.; Tatone, Ivan; Bolle, Øyvind. Pilotanlegg med integrert helautomatisk linehalersystem (ALH) for et 15 meters kystfartøy. Sluttrapport FHF 900411. 2012.

  • Tatone, Ivan; Larsen, Roger B.. A pilot study using Norwegian hooks in the Adriatic longline fishery. FAO working group on fish technology and fish behaviour 2009-05-12 - 2009-05-22 2009.

  • Tatone, Ivan. Norwegian hook designs improve catch efficiency in the Adriatic bottom longline fishery. 2008.

  • Bertoja, Gianluca; Tatone, Ivan. Sulle rotte del Merluzzo Nordico. Il nuovo progresso veterinario 2007; Volum L 12. ISSN 1594-0810.s 83 - 85.

  • Tatone, Ivan. Ecologia di Galeus Melastomus nel Basso Adriatico. 2004.