Blar i Publikasjoner fra CRIStin på forfatter "Godø, Olav Rune"
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At-sea distribution and prey selection of Antarctic petrels and commercial fisheries
Descamps, Sebastien; Tarroux, Arnaud; Cherel, Yves; Delord, Karine; Godø, Olav Rune; Kato, Akiko; Krafft, Bjørn Arne; Lorentsen, Svein-Håkon; Ropert-Coudert, Yan; Skaret, Georg; Varpe, Øystein (CCAMLR;WG-EMM-16/P15, Conference object, 2016) -
At-Sea Distribution and Prey Selection of Antarctic Petrels and Commercial Krill Fisheries
Descamps, Sebastien; Tarroux, Arnaud; Cherel, Yves; Delord, Karine; Godø, Olav Rune; Kato, Akiko; Krafft, Bjørn Arne; Lorentsen, Svein-Håkon; Ropert-Coudert, Yan; Skaret, Georg; Varpe, Øystein (Journal article; Peer reviewed, 2016-08-17)Commercial fisheries may impact marine ecosystems and affect populations of predators like seabirds. In the Southern Ocean, there is an extensive fishery for Antarctic krill Euphausia superba that is projected to increase ... -
Continental shelf-scale passive acoustic detection and characterization of diesel-electric ships using a coherent hydrophone array
Huang, Wei; Wang, Delin; Garcia, Heriberto; Godø, Olav Rune; Ratilal, Purnima (Peer reviewed; Journal article, 2017) -
Detection, Localization and Classification of Multiple Mechanized Ocean Vessels over Continental-Shelf Scale Regions with Passive Ocean Acoustic Waveguide Remote Sensing
Zhu, Chenyang; Garcia, Heriberto; Kaplan, Anna; Schinault, Matthew; Handegard, Nils Olav; Godø, Olav Rune; Huang, Wei; Ratilal, Purnima (Journal article; Peer reviewed, 2018)Multiple mechanized ocean vessels, including both surface ships and submerged vehicles, can be simultaneously monitored over instantaneous continental-shelf scale regions >10,000 km 2 via passive ocean acoustic waveguide ... -
The effect of attenuation from fish on passive detection of sound sources in ocean waveguide environments
Duane, Daniel; Zhu, Chenyang; Piavsky, Felix; Godø, Olav Rune; Makris, Nicholas C. (Peer reviewed; Journal article, 2021)Attenuation from fish can reduce the intensity of acoustic signals and significantly decrease detection range for long-range passive sensing of manmade vehicles, geophysical phenomena, and vocalizing marine life. The effect ... -
Evaluation of Antarctic krill biomass and distribution off the South Orkney Islands 2011-2015
Skaret, Georg; Krafft, Bjørn Arne; Calise, Lucio; Watkins, J; Pedersen, Ronald; Godø, Olav Rune (;WG-EMM-15/54, Research report, 2015-06-22)Annual acoustic trawl surveys for krill monitoring have been carried out by the Institute of Marine research, Norway near the South Orkney Islands since 2011. The survey has been conducted early in the fishing season ... -
Exploitation of Antarctic krill Euphausia superba by three air-breathing predators with contrasting foraging strategies – implications for fisheries feedback management
Lowther, Andrew D.; Godø, Olav Rune; Kovacs, Kit; Krafft, Bjørn Arne; Lydersen, Christian; Staniland, Iain; Trathan, Phil; Watkins, Jon l (Conference object, 2016)SCAR Open Science Conference, Kuala Lumpur 2016 -
A flexible autonomous robotic observatory infrastructure for bentho-pelagic monitoring
Aguzzi, Jacopo; Albiez, Jan; Flögel, Sascha; Godø, Olav Rune; Grimsbø, Endre; Marini, Simone; Pfannkuche, Olaf; Rodriguez, Erik; Thomsen, Laurenz; Torkelsen, Terje; Valencia, Javier; López-vázquez, Vanesa; Wehde, Henning; Zhang, Guosong (Peer reviewed; Journal article, 2020)This paper presents the technological developments and the policy contexts for the project “Autonomous Robotic Sea-Floor Infrastructure for Bentho-Pelagic Monitoring” (ARIM). The development is based on the national ... -
Instantaneous areal population density of entire Atlantic cod and herring spawning groups and group size distribution relative to total spawning population
Makris, Nicholas C.; Godø, Olav Rune; Yi, Dong Hoon; Macaulay, Gavin; Jain, Ankita Deepak; Cho, Byunggu; Gong, Zheng; Jech, J. Michael; Ratilal, Purnima (Journal article; Peer reviewed, 2018)The wide‐area group behaviour of spawning Atlantic cod and herring is investigated. By a combination of Ocean Acoustic Waveguide Remote Sensing (OAWRS) and conventional sensing methods, first‐look images of the instantaneous ... -
Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?
Hill, Simeon; Atkinson, Angus; Darby, Chris; Fielding, Sophie; Krafft, Bjørn Arne; Godø, Olav Rune; Skaret, Georg; Trathan, Phil N.; Watkins, Jon L. (CCAMLR;WG-EMM-16/21, Conference object, 2016-06-15)This paper is a revised version of WG-EMM-15/28, which uses a question and answer format to explain the management of the Antarctic krill (Euphausia superba) fishery in the subareas 48.1 to 48.4, and current knowledge about ... -
Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?
Hill, Simeon L; Atkinson, Angus; Darby, Chris; Fielding, Sofie; Krafft, Bjørn Arne; Godø, Olav Rune; Skaret, Georg; Trathan, Philip; Watkins, John (Peer reviewed; Journal article, 2016) -
Managing fishery development in sensitive ecosystems: identifying penguin habitat use to direct management in Antarctica
Trathan, Phil N.; Warwick-Evans, Victoria; Hinke, Jefferson Thomas; Young, Emma F.; Murphy, Eugene J.; Carneiro, Ana Paula B.; Dias, Maria P.; Kovacs, Kit M.; Lowther, Andrew; Godø, Olav Rune; Kokubun, Nobuo; Kim, Jeong-Hoon; Takahashi, Akinori; Santos, Mercedes (Journal article; Peer reviewed, 2018)In the Southern Ocean, the at‐sea distributions of most predators of Antarctic krill are poorly known, primarily because tracking studies have only been undertaken on a restricted set of species, and then only at a limited ... -
Quantification of wide-area norwegian spring-spawning herring population density with ocean acoustic waveguide remote sensing (OAWRS)
Duane, Daniel; Godø, Olav Rune; Makris, Nicholas C. (Peer reviewed; Journal article, 2021)Norwegian spring-spawning herring are a critical economic resource for multiple nations in the North Atlantic and a keystone species of the Nordic Seas ecosystem. Given the wide areas that the herring occupy, it is difficult ... -
Summer distribution and demography of Antarctic krill Euphausia superba Dana, 1852 (Euphausiacea) at the South Orkney Islands, 2011–2015
Krafft, Bjørn Arne; Knutson, T; Krag, Ludvig Ahm; Jensen, Knut Helge; Skaret, Georg; Krakstad, Jens-Otto; Larsen, Stuart; Melle, Webjørn Raunsgård; Iversen, Svein Arnholt; Godø, Olav Rune (Journal article; Peer reviewed, 2018)We carried out a survey of Antarctic krill (Euphausia superbaDana, 1850) from 2011 to 2015 to establish a long-term, time-series dataset of distribution, abundance, and demography for this species in the South Orkney Islands ... -
The effect of attenuation from Fish Shoals on long-range, wide-area acoustic sensing in the Ocean
Duane, Daniel; Cho, Byunggu; Jain, Ankita Deepak; Godø, Olav Rune; Makris, Nicholas C. (Journal article; Peer reviewed, 2019)Acoustics is the primary means of long-range and wide-area sensing in the ocean due to the severe attenuation of electromagnetic waves in seawater. While it is known that densely packed fish groups can attenuate acoustic ... -
The generalization of Gulland’s method: How to estimate maturity ogives when juvenile data are missing while spawner demography is known
Heino, Mikko Petteri; Godø, Olav Rune; Dieckmann, Ulf (Journal article; Peer reviewed, 2019) -
Updating the Antarctic krill biomass estimates for CCAMLR Subareas 48.1 to 48.4 using available data
Hill, Simeon; Atkinson, Angus; Darby, Chris; Fielding, Sofie; Krafft, Bjørn Arne; Godø, Olav Rune; Skaret, Georg; trathan, phil; Watkins, J (;WG-EMM-15/28, Research report, 2015)We present a novel index of Antarctic krill biomass in CCAMLR subareas 48.1 to 48.4, based on data from scientific nets and covering the years between 2000 and 2011. The annual biomass variation was significant (CV=73%) ... -
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
Klevjer, Thor Aleksander; Krafft, Bjørn Arne; Godø, Olav Rune (;WG-EMM-15/25, Research report, 2015-06-20)The aim of this work was to assess the possibilities of automatically generating a dataset of dive behaviour of air-breathing predators, based on acoustic data from a monitoring survey and from commercial krill fishing ...