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Estimating density and biomass of Antarctic krill around South Sheltland Islands using the 2-dB difference method
Abstract: The distribution and abundance of krill aggregation inhabiting the Subarea 48.1, which ... estimated using an acoustics survey. Acoustic data were collected with 38 and 120 kHz from April 13 to 24 in ... 2016 and 38 and 200 kHz from March 6 to 14 in 2017. Krill were collected by the commercial middle trawl ... fishing vessel. The data were processed and analyzed following CCAMLR standard protocols using swarm ...
Meeting Document : WG-EMM-17/08 : Autor(es): S.-G. Choi, K. Lee and D. An
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Distribution and abundance of Antarctic krill (Euphausia superba) off East Antarctic (30–80°E) in January–March 2006
, centred around 50 m depth. The krill distributions inferred from both the acoustic data and from net ... Abstract: Multifrequency echosounder data were collected during the 2006 BROKE-West summer survey ... of Division 58.4.2 for the purposes of estimating the unexploited biomass (B0) of Antarctic krill ... to WG-EMM in 2006 (WG-EMM-06/16) because a reanalysis of the data has resulted in amendments to the ...
Meeting Document : WG-EMM-07/33 : Autor(es): T. Jarvis, N. Kelly, E. van Wijk, S. Kawaguchi and S. Nicol (Australia)
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ANALYSIS OF KRILL OBSERVER COVERAGE IN SUBAREA 48.3
Abstract: CCAMLR International Scientific Observer data collected from conventional trawl vessels ... fishing for krill in Subarea 48.3 were analysed using Variance Components Analysis. Krill mean and median ... rate of sampling equivalent to 18% of total hauls taken in a season being sampled for krill and 11% for ... larval fish. For both krill and larval fish between vessel variance was slightly lower than between haul ...
Meeting Document : WG-EMM-09/25 : Autor(es): D.J. Agnew, P. Grove, T. Peatman, R. Burns and C. Edwards (United Kingdom)
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ON METHODS OF THE EXPERIMENT CARRIED OUT TO DETERMINE THE RATE OF ‘ESCAPE MORTALITY’ ON FISHING OR RESEARCH VESSELS DURING ANTARCTIC KRILL FISHERY
(SC-CAMLR-XXVIII/3, paragraph 3.7), 2009 in Bergen, due to the results of considering Document WG-EMM ... -09/11, in which the uncertainty of krill amount perished while its trawling at fishery is focused ... , the recommendations were submitted on carrying out the experiment to determine the rate of krill ... ‘escape mortality’ on fishing or research vessel during Antarctic krill fishery. Author(s): Delegation of ...
Meeting Document : SC-CAMLR-XXVIII/BG/10 : Autor(es): Delegation of Ukraine
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Changes observed in krill length frequency distribution during repeated sampling on the South Georgia shelf in 2000 January–February
difference in krill inhabiting Northwest and Northeast South Georgian waters. According to the data available ... parts. The data analyzed confirm that krill on the Northern South Georgian shelf has different origin ... Abstract: Krill sampling were carried out Northwest and Northeast South Georgia, first during ... the difference do not disappear in time, instead certain increase of krill length was observed in both ...
Meeting Document : WG-EMM-01/40 : Autor(es): V.A. Sushin and F.F. Litvinov (Russia)
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Estimating density and biomass of Antarctic krill (Euphausia superba) around South Shetland using the 2-dB difference method
identification) based on data from a transect-based survey. The weighted krill density and biomass were estimated ... Abstract: The distribution and abundance of krill aggregation inhabiting the Subarea 48.1, which ... estimated using an acoustics survey. Acoustic data were collected with 38 and 120 kHz from April 13 to 24 in ... 2016 and 38 and 200 kHz from March 6 to 14 and 38 and 120 kHz on April 27 and May 5 in 2017. Krill were ...
Meeting Document : SG-ASAM-18/08 : Autor(es): S. Choi, K. Lee and D. An
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Rationale, structure and current templates of the Ecosystem, Productivity, Ocean, Climate (EPOC) modelling framework to support evaluation of strategies to subdivide the Area 48 krill catch limit amongst small-scale management units
undertaking a work program to develop a management procedure for krill fisheries. To date, this has primarily ... focussed on subdividing the region-wide krill catch limit in the southwest Atlantic into small-scale ... environment for evaluating the strategies for subdividing the krill catch limit and, on the basis of these ... evaluation of strategies to subdivide the Area 48 krill catch limit amongst small-scale management units ...
Meeting Document : WG-SAM-07/14 : Autor(es): A. Constable (Australia)
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SPATIAL PATTERNS IN MACKEREL ICEFISH DIET PROVIDES INSIGHTS INTO KRILL ABUNDANCE AND DISTRIBUTION
low in Antarctic krill (7 % IRI) compared with similar data for the same month in 2004-2006. The ... occurrence of krill in the diet with earlier data sets (1967-1992) show that 2009 is not unique, as similarly ... krill-dependent species was dominated by the hyperiid amphipod Themisto gaudichaudii (92 % IRI) and was ... results are consistent with other indicators of krill availability on the South Georgia shelf, which ...
Meeting Document : WG-EMM-09/27 : Autor(es): M.A. Collins and C.E. Main (United Kingdom)
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A sentiment analysis of online content containing Antarctic krill fishing search terms
Abstract: The sentiment of online content containing Antarctic krill fishing and related search ... decisions. The Antarctic krill fishery is managed by the Commission for the Conservation of 14 Antarctic ... Antarctic krill has caused concern for the 17 future of krill populations among stakeholders and has ... information about Antarctic krill, 19 typically through online searches and social media. Public perception of ...
Meeting Document : WG-EMM-17/18 : Autor(es): J. Barrett, K. Reid and J. Jabour
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Effects of orientation on acoustic scattering from Antarctic krill at 120 kHz
Abstract: Backscattering measurements of 14 live individual Antarctic krill (Euphausia superb a ... collected per animal. Orientation data were recorded on video. The acoustic data were analyzed and target ... of the krill based on the video images and was applied to five of them, giving their target strengths ... animal orientation. Use of these scattering patterns with orientation data from shipboard studies of E ...
Meeting Document : WG-EMM-99/42 : Autor(es): D.E. McGehee (USA), R.L. O’Driscoll (New Zealand) and L.V. Martin Traykovski (USA)