Search results
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A simulation study of krill fishing by an individual JAPANESE trawler
) of a Japanese krill trawler over a half-month period. It is based on an underlying krill distribution model ... elongating krill swarms, and allowing hauls to continue through more than one swarm. Twenty four candidate ... abundance indices (generally of a CPUE form) for krill biomass in the 600 n.mile square oceanic sector ... modelled are considered, and their performance in response to a variety of ways in which the overall krill ...
Meeting Document : SC-CAMLR-VII/BG/37 : Author(s): D.S. Butterworth (Invited Expert)
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Evaluation of Antarctic krill biomass and distribution off the South Orkney Islands 2011-2015
Abstract: Annual acoustic trawl surveys for krill monitoring have been carried out ... early in the fishing season (January/February), using two different krill fishing vessels as platforms ... years in particular due to ice. In order to allow for comparison of distribution and abundance of krill ... near the South Orkneys among years, we here attempt to generate a coherent series of krill density ...
Meeting Document : WG-EMM-15/54 : Author(s): G. Skaret, B.A. Krafft, L. Calise (Norway), J. Watkins (UK), R. Pedersen and O.R. Godø (Norway)
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The effect of sample size on the observed length distribution of Antarctic krill
Abstract: The appropriate sample size for krill length measurement was raised during the WG-SISO ... on the length data collected by scientific observers onboard the Chinese krill fishing vessel Fu Rong Hai during ... the 2015/2016 fishing season. The variation of statistical property of krill length distribution ... with different sample size was evaluated using simplebootstrap resampling method. Four typical patterns of krill ...
Meeting Document : SC-CAMLR-XXXVI/21 : Author(s): Delegation of China
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Krill fishery information
Abstract: The paper presents a compilation of information and work pertaining to the krill ... between the krill fishery and krill predators; • further development of the plan for the krill fishery ... of the questionnaire on fishing strategy. Author(s): Secretariat Title: Krill fishery information Approval: Approved ... The paper presents a compilation of information and work pertaining to the krill fisheries ...
Meeting Document : WG-EMM-02/6 : Author(s): Secretariat
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ANALYSIS OF SCIENTIFIC OBSERVER DATA FROM THE RUSSIAN KRILL TRAWLER 'MAXIM STAROSTIN' IN THE SOUTH ORKNEY ISLANDS REGION (SUBAREA 48.2) DURING THE SEASON 2008-2009
fishing operations for krill in the Convention area. The vessel used both conventional and continuous ... composition of the krill catches, bycatch, spatial distribution and biological condition of krill. This paper ... during the observation period indicate the presence of several types of Antarctic krill aggregations ... of several successive cohorts. The aggregations with dominance of small-, average- and large-size krill have ...
Meeting Document : WG-EMM-09/29 : Author(s): D. Sologub (Russia)
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Acoustic estimates of krill biomass in the Elephant Island area: 1981-1993
Abstract: Acoustic estimates of krill biomass in the vicinity of Elephant Island for the years ... on previous reports adjusted for the recently proposed definition of krill target strength. Biomass estimates ... xl03 t and 52.8 g/m2. Author(s): D.A. Demer and R.P. Hewitt (USA) Title: Acoustic estimates of krill ... Acoustic estimates of krill biomass in the vicinity of Elephant Island for the years 1981-1993 ...
Meeting Document : WG-KRILL-93/49 : Author(s): D.A. Demer and R.P. Hewitt (USA)
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How many krill should we measure?
Abstract: We have no standard as to how many krill we should measure to obtain reliable estimates ... on its body length distribution. Krill samples collected from layers in the northern waters of Livingston ... on cumulative frequency distributution. Author(s): Y. Endo (Japan) Title: How many krill should we measure ... We have no standard as to how many krill we should measure to obtain reliable estimates on its body ...
Meeting Document : WG-KRILL-90/26 : Author(s): Y. Endo (Japan)
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Results of scientific observation in Antarctic krill fishery in 2010/11: I. state of observer deployment and data collection
Abstract: We analyzed the 2010/11 krill observer data to confirm the outcome of recent revisions ... of krill observation scheme. This paper summarizes the status of observer deployment, sampling protocol ... and data collection in krill fisheries in 2010/11. All the 12 krill fishing vessels that operated in 2010 ... , the coverage of krill biological sampling for hauls and the number of krill sampled for biological measurement ...
Meeting Document : WG-EMM-12/65 : Author(s): M. Kiyota and T. Okuda (Japan)
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Preliminary results of the experiments on the krill transport study in the South Orkney area (April 1992)
area. The krill biomass was estimated within the square at the start and the end of works. It amounted ... of krill density and oceanological stations were carried out along the square perimeter. Four dublicates ... of krill density were obtained by 15-miles intercepts of the perimeter, along with mean water flow ... and geostrophic currents. The balance of krill input and output for the square was calculated based ...
Meeting Document : WG-CEMP-92/34 : Author(s): L.G. Maklygin, V.N. Shnar, A.P. Malyshko (Russian Federation) and A.G. Shepelev (Ukraine)
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Broadbandwidth total target strength measurements of Antarctic krill (Euphausia superba) from reverberation in a cavity
Abstract: Total scattering cross-sections (st) of Antarctic krill, Euphausia superba, were ... strengths (??10log(??4?) t TTS), were measured from groups of 57 to 1169 krill (average standard length ... with an omnidirectional emitter into one of three glass carboys containing groups of krill swimming in 9.3, 19.3 or 45.9 ... l of seawater (0.6??temperature??3.6 °C). Between each pulse, the krill moved within the fixed-boundary-tank ...
Meeting Document : WG-EMM-02/49 : Author(s): D.A. Demer and S. G. Conti (USA)