Thor Klevjer
Publikasjoner
Vitenskapelige artikler (NVI)
2021
Mesopelagic flesh shear viscosity estimation from in situ broadband backscattering measurements by a viscous-elastic model inversion
ICES Journal of Marine Science
78
p. 3147-3161
2021
Mass estimates of individual gas-bearing mesopelagic fish from in situ wideband acoustic measurements ground-truthed by biological net sampling
ICES Journal of Marine Science
78
p. 3658-3673
2021
Application of an unsupervised clustering algorithm on in situ broadband acoustic data to identify different mesopelagic target types
ICES Journal of Marine Science
78
p. 2907-2921
2021
Flexible behaviour in a mesopelagic fish (Maurolicus muelleri)
ICES Journal of Marine Science
78
p. 1623-1635
2021
Estimating target strength and physical characteristics of gas-bearing mesopelagic fish from wideband in situ echoes using a viscous-elastic scattering model
Journal of the Acoustical Society of America
149
p. 673-691
2020
Fine-scale observations of physical and biological environment along a herring feeding migration route
Deep-Sea Research Part II: Topical Studies in Oceanography
180
2020
Dynamics of phytoplankton species composition, biomass and nutrients in the North Atlantic during spring and summer - A trans-Atlantic study
Deep-Sea Research Part II: Topical Studies in Oceanography
180
2020
Spatial distributions and seasonality of four Calanus species in the Northeast Atlantic
Progress in Oceanography
185
p. 1-18
2020
Structure and functioning of four North Atlantic ecosystems - A comparative study
Deep-Sea Research Part II: Topical Studies in Oceanography
180
p. 1-13
2020
Vertical distribution and migration of mesopelagic scatterers in four north Atlantic basins
Deep-Sea Research Part II: Topical Studies in Oceanography
180
2020
Ecology of mesozooplankton across four North Atlantic basins
Deep-Sea Research Part II: Topical Studies in Oceanography
2020
An acoustic method to observe the distribution and behaviour of mesopelagic organisms in front of a trawl
Deep-Sea Research Part II: Topical Studies in Oceanography
2020
Diel vertical migration and individual behavior of nekton beyond the ocean's twilight zone
Deep Sea Research Part I: Oceanographic Research Papers
160
p. 1-6
2019
Micronekton biomass distribution, improved estimates across four north Atlantic basins
Deep-sea research. Part II, Topical studies in oceanography
2019
Micronekton biomass distribution, improved estimates across four north Atlantic basins
Deep-Sea Research Part II: Topical Studies in Oceanography
p. 1-11
2018
Varying depth and swarm dimensions of open-ocean Antarctic krill Euphausia superba Dana, 1850 (Euphausiacea) over diel cycles
Journal of Crustacean Biology
38
p. 716-727
2016
Large scale patterns in vertical distribution and behaviour of mesopelagic scattering layers
Scientific Reports
6
2016
Evidence for light-controlled migration amplitude of a sound scattering layer in the Norwegian Sea
Marine Ecology Progress Series
551
p. 45-52
2016
Zooplankton at deep Red Sea brine pools
Journal of Plankton Research
38
p. 679-684
2015
Social behaviour in mesopelagic jellyfish
Scientific Reports
5
p. 1-8
2014
Lévy night flights by the jellyfish Periphylla periphylla
Marine Ecology Progress Series
513
p. 121-130
2014
Vertical distribution and diel vertical migration of krill beneath snow-covered ice and in ice-free waters
Journal of Plankton Research
36
p. 503-512
2012
Distribution and diel vertical movements of mesopelagic scattering layers in the Red Sea
Marine Biology
159
p. 1833-1841
2012
Inverse vertical migration and feeding in glacier lanternfish (Benthosema glaciale)
Marine Biology
159
p. 443-453
2012
Internal wave-mediated shading causes frequent vertical migrations in fishes
Marine Ecology Progress Series
452
p. 1-10
2012
Continuous acoustic studies of overwintering sprat Sprattus sprattus reveal flexible behavior
Marine Ecology Progress Series
464
p. 245-256
2012
Antarctic krill swarm characteristics in the Southeast Atlantic sector of the Southern Ocean
Marine Ecology Progress Series
465
p. 69-83
2011
Seabed foraging by Antarctic krill: Implications for stock assessment, bentho-pelagic coupling, and the vertical transfer of iron
Limnology and Oceanography
56
p. 1411-1428
2011
Krill (Meganyctiphanes norvegica) swim faster at night
Limnology and Oceanography
56
p. 765-774
2011
Beyond the average: Diverse individual migration patterns in a population of mesopelagic jellyfish
Limnology and Oceanography
56
p. 2189-2199
2010
Swarm characteristics of Antarctic krill Euphausia superba relative to the proximity of land during summer in the Scotia Sea
Marine Ecology Progress Series
409
p. 157-170
2010
Trophic Structure and Community Stability in an Overfished Ecosystem
Science
329
p. 333-336
2009
Sprat Sprattus sprattus can exploit low oxygen waters for overwintering
Marine Ecology Progress Series
390
p. 237-249
2009
In situ behaviour and acoustic properties of the deep living jellyfish Periphylla periphylla
Journal of Plankton Research
31
p. 793-803
2009
Diel vertical migration of the deep-water jellyfish Periphylla periphylla simulated as individual responses to absolute light intensity
Limnology and Oceanography
54
p. 1765-1775
2009
Use of bottom-mounted echo sounders in exploring behavior of mesopelagic fishes
Marine Ecology Progress Series
395
p. 109-118
2009
Variability and predictability of Antarctic krill swarm structure
Deep Sea Research Part I: Oceanographic Research Papers
56
p. 1994-2012
2008
Behavior of individual mesopelagic fish in acoustic scattering layers of Norwegian fjords
Marine Ecology Progress Series
360
p. 201-209
2007
Diel vertical migration of individual jellyfish (Periphylla periphylla)
Limnology and Oceanography
52
p. 975-983
2006
In situ target strength and behaviour of northern krill (Meganyctiphanes norvegica)
ICES Journal of Marine Science
63
p. 1726-1735
2006
Fish are attracted to vessels
ICES Journal of Marine Science
63
p. 1431-1437
2005
Piscivorous fish patrol krill swarms
Marine Ecology Progress Series
299
p. 1-5
2005
Piscivorous fish patrol krill swarms
Marine Ecology Progress Series
299
p. 1-5
2004
Vertical distribution and feeding patterns in fish foraging on the krill Meganyctiphanes norvegica
ICES Journal of Marine Science
61
p. 1278-1290
Poster
2021
Acoustic micronektonic distribution and density across the North Atlantic Ocean (from 17° to 47° N latitude)
2018
Distribution and composition of mesopelagic macroplankton and micronekton in the North-east Atlantic.
2018
Distribution and composition of mesopelagic macroplankton and micronekton in the North-east Atlantic
2018
What Drives the Distribution of Antarctic Krill at the South Orkney Islands?
2015
Patterns in macrozooplankton and micronekton biomass distribution across four north Atlantic ocean basins
Mediebidrag
2013
Lange netter med pinsetter
Kapitler og bøker
2013
The use of echosounders for long-term studies of the overwintering ecology of sprat (Sprattus sprattus)
Populærvitenskapelige artikler
2014
Distribution of Antarctic krill and apex predators at South Orkney Islands in 2014, and assessing escape mortality of krill in trawls
Rapport fra havforskningen
Faglige foredrag
2020
Application of simultaneous trawl-mounted optic and acoustic methods to study the mesopelagic ecosystem
2019
Annual migrations of pelagic fish stocks into a krill hotspot
2019
Detection of predator dive patterns from stationary echosounder data
2019
Using stationary acoustic platforms to assess precision and accuracy of acoustical krill surveys
2019
Vertical distribution and behavior of mesopelagic fauna
2018
Ecology and Management of an Antarctic Hotspot
2018
From swarming behaviour to trophic interactions: forecasting dynamics of Antarctic krill in ecosystem hotspots using behaviour-based models
2016
Spatial distribution and biomass of Chaetognaths in the northeast Atlantic
2015
A North Atlantic basins comparison of diversity, abundance and vertical distribution of mesozooplankton in relation to hydrography and primary production
2015
Zooplankton and micronekton vertical distribution and diel vertical migration behaviour in the Northern North Atlantic Ocean
2014
Report from the annual survey of Antarctic krill and apex predators distribution at South Orkney Islands in 2014, and assessing escape mortality of krill in trawls
2013
The use of echosounders for long-term studies of the overwintering ecology of sprat (Sprattus sprattus)
Rapporter og avhandlinger
2015
Using vessel acoustics to detect diving patterns of krill foraging predators automatically: development of a novel method for quantifying impact of krill fishing on seals and penguins
2015
Acoustic and catch data collected by the fleet – relevance for feedback management
2013
Survey of the mesopelagic fish and environment in the Bay of Bengal
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