2021
Estimating individual fish school biomass using digital omnidirectional sonars, applied to mackerel and herring
Hector Pena, Gavin Macaulay, Egil Ona, Sindre Vatnehol, Arne Johannes Holmin
ICES Journal of Marine Science
78
p. 940-951
2018
A method to automatically detect fish aggregations using horizontally scanning sonar
Sindre Vatnehol, Hector Pena, Nils Olav Handegard
ICES Journal of Marine Science
75
p. 1803-1812
2017
Estimating the volumes of fish schools from observations with multi-beam sonars
Sindre Vatnehol, Hector Pena, Egil Ona
ICES Journal of Marine Science
74
p. 813-821
2017
Behaviours of Atlantic herring and mackerel in a purse-seine net, observed using multibeam sonar
Maria Tenningen, Gavin Macaulay, Guillaume Rieucau, Hector Pena, Rolf Korneliussen
ICES Journal of Marine Science
74
p. 359-368
2016
Feeding strategy of mackerel in the Norwegian Sea relative to currents, temperature, and prey
Leif Nøttestad, Justine Emmanuelle Diaz, Hector Pena, Henrik Søiland, Geir Huse, Anders Fernø
ICES Journal of Marine Science
73
p. 1127-1137
2016
Modeling target strength of individual herring (Clupea harengus) at any aspect as a function of pressure and frequency
Geir Pedersen, Gavin Macaulay, Hector Pena, Sacha M.M. Fassler
Journal of the Acoustical Society of America
140
2016
Practical calibration of ship-mounted omni-directional fisheries sonars
Gavin Macaulay, Sindre Vatnehol, Ole Bernt Gammelsæter, Hector Pena, Egil Ona
Methods in oceanography
17
p. 206-220
2015
Estimates of net volume available for fish shoals during commercial mackerel (Scomber scombrus) purse seining
Maria Tenningen, Hector Pena, Gavin Macaulay
Fisheries Research
161
p. 244-251
2013
Accuracy of the Kirchhoff-approximation and Kirchhoff-ray-mode fish swimbladder acoustic scattering models
Gavin Macaulay, Hector Pena, Sacha M.M. Fässler, Geir Pedersen, Egil Ona
PLOS ONE
8
2013
Feeding herring schools do not react to seismic air gun surveys
Hector Pena, Nils Olav Handegard, Egil Ona
ICES Journal of Marine Science
70
p. 1174-1180
2010
Effekter av seismiske undersøkelser på fiskefordeling og fangstrater for garn og line i Vesterålen sommeren 2009
Svein Løkkeborg, Egil Ona, Aud Vold, Hector Pena, Are Salthaug, Bjørn Totland, Jan Tore Øvredal, John Dalen, Nils Olav Handegard
Fisken og Havet
2
2009
Consecutive acoustic observations of an Atlantic herring school in the Northwest Atlantic
T.C. Weber, Hector Pena, J. Michael Jech
ICES Journal of Marine Science
66
p. 1270-1277
2018
An open and extensible netCDF4-based file format for sonar data
Gavin Macaulay, Hector Pena
2017
From survival studies to management - Norwegian purse seine fisheries
Maria Tenningen, Aud Vold, Michael Breen, Egil Ona, Gavin Macaulay, Neil Anders, Hector Pena, Jostein Saltskår, Bjørn Totland, Jan Tore Øvredal
2017
Catch and gear monitoring in purse seines using multibeam sonar: a new approach for improved catch control and reduced unintended fishing mortality
Maria Tenningen, Hector Pena, Arne Johannes Holmin
2016
Monitoring and quantifying school dynamics during purse seining
Maria Tenningen, Hector Pena, Gavin Macaulay
2015
School and gear dynamics in purse seining, studied with multibeam sonar
Maria Tenningen, Gavin Macaulay, Hector Pena, Rolf Korneliussen
2015
A new fish school segmentation method for fishery sonar
Arne Johannes Holmin, Hector Pena, Egil Ona
2015
Increasing the precision in acoustic estimates of patchy distributed fish
Espen Johnsen, Egil Ona, Alf Harbitz, Hector Pena, Arne Johannes Holmin
2015
Modelling (mean) target strength of individual herring (Clupea harengus) at any aspect as a function of pressure
Geir Pedersen, Hector Pena, Sacha M.M. Fässler, Gavin Macaulay, Egil Ona
2015
calibration of omni-directional fisheries sonar using split beam target positioning
Sindre Vatnehol, Hector Pena, Atle Totland, Gavin Macaulay, Egil Ona
2015
School biomass estimates using digital omnidirectional fisheries sonar
Hector Pena, Egil Ona, Gavin Macaulay, Arne Johannes Holmin, Sindre Nordlund Vatnehol, Ole Bernt Gamelsæter
2015
Schooling dynamics of Northeast Atlantic mackerel (Scomber scombrus) feeding in the Norwegian Sea using multibeam sonar
Leif Nøttestad, Justine Emmanuelle Diaz, Hector Pena, Henrik Søiland, Anders Fernö
2014
Biomass estimation by echo integration using omnidirectional fishery sonar
Hector Pena, Arne Johannes Holmin, Egil Ona
2014
Biomass estimates for selected herring schools using omni‐directional fisheries sonar and echo sounder
Hector Pena, Egil Ona
2013
Improved methods for data processing from omnidirectional fisheries sonar for studying pelagic fish schools
Pena, Hector
2012
Improved methods for mapping distribution and abundance of pelagic fish schools with omni-directional fisheries sonar
Hector Pena, Egil Ona
2024
Distribution, catches and research on Atlantic bluefin tuna (Thunnus thynnus) in the Norwegian exclusive economic zone
Leif Nøttestad, Keno Ferter, Manu Sistiaga, Hector Pena, Ørjan Sørensen, Erling Boge, Sondre Nedreås Hølleland, Otte Bjelland, Martin Wiech, Magnus Falnes Hole, Rune Baug Mjørlund
2024
Fordeling og mengde av tobis i norsk sone av Nordsjøen i mai 2023 — Tobistokt i Nordsjøen 23. april – 13. mai 2023
Espen Johnsen, Hector Pena, Ronald Pedersen, Åse Husebø, Lisbet Solbakken
Toktrapport
2023
Pilot project for the short-time live storage of bluefin tuna — Trials onboard MS Vestbris 2023
Manu Sistiaga, Hermann Pettersen, Jostein Saltskår, Michael Breen, Odd Børre Humborstad, Hector Pena, Neil Anders, Stein Harris Olsen, Joaquin Martinez-Peiro, Tonje Kristin Jensen
Rapport fra havforskningen
2023
Testing of trawl-acoustic stock estimation of spawning capelin 2023
Georg Skaret, Atle Totland, Maria Tenningen, Eilert Hermansen, Jarle A Kristiansen, Hector Pena
2022
Survey report: Developing methods for abundance estimation of bluefin tuna in Norwegian waters
Hector Pena, Maria Tenningen, Guosong Zhang, Georg Skaret
2022
Testing of trawl-acoustic stock estimation of spawning capelin 2022
Georg Skaret, Hector Pena, Atle Totland, Maria Tenningen, Guosong Zhang
2022
Barents Sea Capelin - Report of the Joint Russian-Norwegian Working Group on Arctic Fisheries (JRN-AFWG) 2022
Bjarte Bogstad, Anatoly Chetyrkin, Harald Gjøsæter, Daniel Howell, Sondre Nedreås Hølleland, Stine Karlson, Yury Kovalev, Hector Pena, Dmitri Prozorkevich, Georg Skaret
2021
Testing of trawl-acoustic stock estimation of spawning capelin 2021
Georg Skaret, Hector Pena, Atle Totland, Guosong Zhang, Lea Marie Hellenbrecht, Stine Karlson, Ronald Pedersen, Susanne Tonheim, Frøydis Rist, Valentine Anthonypillai
2020
Testing of trawl-acoustic stock estimation of spawning capelin 2020
Georg Skaret, Hector Pena, Atle Totland, Valentine Anthonypillai, Stine Karlson, Lage Drivenes, Jostein Røttingen, Frøydis Rist Bogetveit
2019
Testing of acoustic stock estimation of spawning capelin
Hector Pena, Atle Totland, Jan Tore Øvredal
2019
Feasibility study on the use of scientific multibeam sonar to characterize the Atlantic Bluefin Tuna spawning stock
Maria Tenningen, Hector Pena, Rolf Korneliussen, Egil Ona, Vicent Puig Pons
2018
Purse Seine Catch Control - Faglig sluttrapport
Hector Pena, Jostein Saltskår, Bjørn Totland, Aud Vold, Michael Breen, Olafur Ingolfsson, Maria Tenningen, Jan Tore Øvredal
2015
PROFOS User Guide, version 1.9.0. January 8, 2015
Hector Pena, Inge Kristian Eliassen
2011
Using Simrad SH90 high-frequency sonar in collaboration with IMR scientific whale-counting survey
Didrik Vartdal, Hector Pena