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A multiple-frequency method for identifying and assessing the Antarctic krill stock in the Ross Sea (1989/90, 1997/98 and 1999/2000)
Italian expeditions to the Ross Sea to discriminate Euphausia superba (krill) aggregations from Euphausia ... applied to estimate krill biomass in the area of Ross Sea (22000 nm2), investigated from 19 to 26 December ... 1997. It results that krill biomass estimated by the criteria based on multiple frequency method is ... 8.87% lower than krill biomass estimated using conventional methods (net samplings and/or echogram ...
Meeting Document : WG-EMM-00/37 : Автор(ы): M. Azzali, J. Kalinowski and G. Lanciani (Italy)
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By-catch of juvenile Antarctic fish from krill (Euphausia superba Dana) fisheries in the South Georgia area, in 1992
krill fishing by the BAT GrigOly Kovtun in the region of the South Georgia Islands during the period May ... larseni. The frequency of occurrence of juvenile fish was 18.2% when considering all krill tows and 45.5 ... krill, ranged from 700 to 18 900 individuals. In the case of C.gunnari, average values were 966±225 ind ... /1t krill and 2434±579 ind/1t krill for all trawls and for shelf trawls, respectively. Similarly, for ...
Meeting Document : WG-FSA-93/8 Rev. 1 : Автор(ы): E.A. Pakhomov and S.A. Pankratov (Ukraine)
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Swarm characteristics of Antarctic krill Euphausia superba relative to the proximity of land during summer in the Scotia Sea
swarming characteristics of Antarctic krill across the Scotia Sea in January and February 2003. Krill ... zone compared to <80 m 2 further offshore. The packing concentration of krill within inshore swarms ... . The highest median number of swarms per km and krill acoustic biomass per km was found in the 50 to ... marginally deeper in the night in offshore regions. Krill are likely to move between inshore and offshore ...
Meeting Document : WG-EMM-10/P09 : Автор(ы): T. Klevjer, G.A. Tarling and S. Fielding
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Potential climate change effects on the habitat of Antarctic krill
Abstract: Antarctic krill is an obligate cold water species, an increasingly important fishery ... used a statistical model linking Antarctic krill growth to temperature and chlorophyll concentration to ... assess the influence of projected warming on Antarctic krill habitat quality. The results divide the ... sites on South Georgia could be up to 55%, and the habitat’s ability to support Antarctic krill biomass ...
Meeting Document : WG-EMM-13/20 : Автор(ы): S.L. Hill, T. Phillips and A. Atkinson (United Kingdom)
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A summary of scientific observer deployments and data collection in the krill fishery during the 2011, 2012 and 2013 seasons
Abstract: The level of observer coverage in the krill fishery and the scientific sampling ... undertaken are summarised. During 2012 all 12 of the vessels that participated in the krill fishery carried ... observations of krill length measurements were collected on 375 ‘days’ and fish bycatch was measured on 554 ... ‘days’. Krill length-frequency distributions showed that the greatest variability in size structure ...
Meeting Document : WG-EMM-13/38 : Автор(ы): CCAMLR Secretariat
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‘When close is too close’ – Krill fishing close to the coast
Abstract: For several years, ASOC has been calling for improved management of Antarctic krill ... program, and requiring 100% scientific observer coverage on board krill vessels among other issues. In ... concentration of krill fishing in coastal areas close to predator colonies in Area 48. This is of particular ... estimation methods, and obtaining 100% observer coverage on the krill fishing fleet. Author(s): Submitted by ...
Meeting Document : CCAMLR-XXXII/BG/17 Rev. 1 : Автор(ы): Submitted by ASOC
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Simulating nursery areas for Antarctic krill along the western Antarctic Peninsula with relevance for the Domain 1 MPA Planning process
Abstract: Antarctic krill (Euphausia superba) is a key species and a dominant grazer in the ... early larval stages of Antarctic krill (the descent-ascent cycle) is largely controlled by temperature ... favorable nursery areas for Antarctic krill and assess how environmental conditions (stronger winds ... , temperature-dependent model of the descent-ascent cycle of Antarctic krill embryos and larvae that was forced ...
Meeting Document : SC-CAMLR-XXXVI/BG/12 : Автор(ы): Delegations of Argentina and Chile
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Krill CPUE standardisation and comparison with acoustic data based on data collected from Chinese fishing vessels in Subarea 48.1
Abstract: The usability of CPUE data as Antarctic krill abundance index was a widely discussed ... than catch per day data. The veridical distribution and movement of krill could be important source of ... to indicate the krill stock abundance should be very caution. However, the dynamics of CPUE could ... indicate the changing trends of the density of krill in the water close to sea surface, which may be ...
Meeting Document : WG-EMM-17/41 : Автор(ы): Y. Ying, X. Wang, J. Zhu and X. Zhao
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Revised outline of the dedicated krill survey for CCAMLR Division 58.4.1 during 2018/19 season by the Japanese survey vessel, Kaiyo-maru
Abstract: A dedicated krill survey for CCAMLR Division 58.4.1 during 2018/19 season will be ... conducted by Japanese research vessel, Kaiyo-maru. No krill biomass has been estimated in the Division since ... Australia carried out BROKE in 1996. There are two main objectives of our survey: (1) estimation of krill ... changes if any. The krill survey (echosounder–EK80 and RMT) and subsequent biomass estimation will follow ...
Meeting Document : SG-ASAM-18/03 : Автор(ы): H. Murase, K. Abe, R. Matsukura, H. Sasaki and T. Ichii
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ANTARCTIC KRILL DEMOGRAPHY AND POPULATION DYNAMICS WEST OF THE ANTARCTIC PENINSULA IN 2010/11
Abstract: A krill net sampling survey was carried out west of the Antarctic Peninsula in January ... 2011 to collect data on krill distribution, abundance, demography, spawning and recruitment success ... were taken and analyzed for post-larval and larval krill, Euphausia superba, as well as for salps ... distribution of krill abundance, demography, and production on the western side of the Antarctic Peninsula ...
Meeting Document : WG-EMM-11/13 : Автор(ы): V. Siegel (Germany), C. Reiss (USA), K. Dietrich (USA), M. Haraldsson (Sweden) and G. Rohardt (Germany)
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