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Espen Johnsen
Espen Johnsen
Research Group Marine Ecosystem Acoustic, Institute of Marine Research
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Acoustic identification of marine species using a feature library
RJ Korneliussen, Y Heggelund, GJ Macaulay, D Patel, E Johnsen, ...
Methods in Oceanography 17, 187-205, 2016
1192016
Marine ecosystem acoustics (MEA): quantifying processes in the sea at the spatio-temporal scales on which they occur
OR Godø, NO Handegard, HI Browman, GJ Macaulay, S Kaartvedt, ...
ICES Journal of Marine Science 71 (8), 2357-2369, 2014
682014
Video image enhancement and machine learning pipeline for underwater animal detection and classification at cabled observatories
V Lopez-Vazquez, JM Lopez-Guede, S Marini, E Fanelli, E Johnsen, ...
Sensors 20 (3), 726, 2020
602020
Acoustic classification in multifrequency echosounder data using deep convolutional neural networks
O Brautaset, AU Waldeland, E Johnsen, K Malde, L Eikvil, AB Salberg, ...
ICES Journal of Marine Science 77 (4), 1391-1400, 2020
502020
Size-dependent frequency response of sandeel schools
E Johnsen, R Pedersen, E Ona
ICES Journal of Marine Science 66 (6), 1100-1105, 2009
412009
Highly mixed impacts of near‐future climate change on stock productivity proxies in the north East Atlantic
OS Kjesbu, S Sundby, AB Sandø, M Alix, SS Hjøllo, M Tiedemann, ...
Fish and Fisheries 23 (3), 601-615, 2022
392022
StoX: An open source software for marine survey analyses
E Johnsen, A Totland, Å Skålevik, AJ Holmin, GE Dingsør, E Fuglebakk, ...
Methods in Ecology and Evolution 10 (9), 1523-1528, 2019
392019
Killer whale movements on the Norwegian shelf are associated with herring density
EF Vogel, M Biuw, MA Blanchet, ID Jonsen, E Mul, E Johnsen, SS Hjøllo, ...
Marine Ecology Progress Series 665, 217-231, 2021
372021
An evaluation of the bottom trawl surveys in the B enguela Current Large Marine Ecosystem
BE Axelsen, E Johnsen
Fisheries Oceanography 24, 74-87, 2015
362015
Cabled ocean observatory data reveal food supply mechanisms to a cold-water coral reef
T Van Engeland, OR Godø, E Johnsen, GCA Duineveld, D van Oevelen
Progress in Oceanography 172, 51-64, 2019
352019
Diel variations in acoustic recordings of blue whiting (Micromesistius poutassou)
E Johnsen, OR Godø
ICES Journal of Marine Science 64 (6), 1202-1209, 2007
352007
Measurements of underwater noise radiated by commercial ships at a cabled ocean observatory
G Zhang, TN Forland, E Johnsen, G Pedersen, H Dong
Marine Pollution Bulletin 153, 110948, 2020
232020
A new model for simulating growth in fish
J Hamre, E Johnsen, K Hamre
PeerJ 2, e244, 2014
232014
Predicting abundance indices in areas without coverage with a latent spatio-temporal Gaussian model
ON Breivik, F Aanes, G Søvik, A Aglen, S Mehl, E Johnsen
ICES Journal of Marine Science 78 (6), 2031-2042, 2021
222021
A robust method for generating separate catch time-series for each of the hake species caught in the Namibian trawl fishery
E Johnsen, J Kathena
African Journal of Marine Science 34 (1), 43-53, 2012
20*2012
Dynamics of the pelagic component of Namibian hake stocks
T Iilende, T Strømme, E Johnsen
South African Journal of Marine Science 23 (1), 337-346, 2001
202001
Collective structures anchor massive schools of lesser sandeel to the seabed, increasing vulnerability to fishery
E Johnsen, G Rieucau, E Ona, G Skaret
Marine Ecology Progress Series 573, 229-236, 2017
182017
2007 Surveys of the living marine resources of Mozambique. Ecosystem survey and special studies. 27 September-21 December 2007
E Johnsen, JO Krakstad, M Ostrowski, B Serigstad, T Strømme, O Alvheim, ...
Institute of Marine Research, 2007
182007
Herring assessment working Group for the Area South of 62 N (HAWG)
A Egan, A Rindorf, B Berges, C Kvamme, C Loots, C van Damme, ...
ICES, 2020
172020
Factors affecting the diel variation in commercial CPUE of Namibian hake—Can new information improve standard survey estimates?
E Johnsen, T Iilende
Fisheries Research 88 (1-3), 70-79, 2007
172007
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Artículos 1–20