Search results
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Detection of growth zones in the eyestalk of the Antarctic krill Euphausia superba (Dana, 1852) (Euphausiacea)
Abstract: No reliable measures of age currently exist in the Antarctic krill, Euphausia superba ... for identifying growth zones. The krill was collected at the South Orkney Islands during January and February 2015 ... of zones and body length. Further knowledge about molting process in the Antarctic krill and a verification ... of the ageing procedure from krill with a known age is needed before the number of growth zones can ...
Meeting Document : WG-EMM-16/P02 : Author(s): B.A. Krafft, M. Kvalsund, G. Søvik, E. Farestveit and A.-L. Agnalt
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Measurements of differences in the target strength of Antarctic krill (Euphausia superba) swarms at 38 and 120 kHz
Abstract: Differences in the target strength of adult Antarctic krill (Euphausia Superba) at 38 ... 1990. Krill in these areas varied in total length between 36 and 60mm. Backscattering strengths at 120 ... (s): I. Hampton (South Africa) Title: Measurements of differences in the target strength of Antarctic krill ... Differences in the target strength of adult Antarctic krill (Euphausia Superba) at 38 and 120 kHz ...
Meeting Document : WG-KRILL-90/28 : Author(s): I. Hampton (South Africa)
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2007 krill biomass update of the South Shetland and Elephant Island regions of Area 48
Abstract: Antarctic krill biomass trends in the South Shetland Island region of Area 48 ... krill delineation model are used to derive krill biomass. This paper provides updated (through summer ... from Author(s): C.S. Reiss and A.M. Cossio (USA) Title: 2007 krill biomass update of the South ... Antarctic krill biomass trends in the South Shetland Island region of Area 48 are presented ...
Meeting Document : WG-EMM-07/31 : Author(s): C.S. Reiss and A.M. Cossio (USA)
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CCAMLR WG-Krill newsletter
Author(s): J. Watkins (Secretary SCAR Sub-Committee on Krill), D. Miller (Convener WG-Krill ... ) Title: CCAMLR WG-Krill newsletter Approval: Approved ... J. Watkins (Secretary SCAR Sub-Committee on Krill), D. Miller (Convener WG-Krill) ... CCAMLR WG-Krill newsletter ...
Meeting Document : WG-EMM-95/35 : Author(s): J. Watkins (Secretary SCAR Sub-Committee on Krill), D. Miller (Convener WG-Krill)
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Growth and shrinkage in Antarctic krill Euphausia superba is sex-dependent
Abstract: The ability of Antarctic krill Euphausia superba Dana to withstand the overwintering ... period is critical to their success. Laboratory evidence suggests that krill may shrink in body length ... during this time in response to the low availability of food. Nevertheless, verification that krill can ... sources of winter krill population data is from commercial vessels. We examined length-frequency data ...
Meeting Document : WG-EMM-16/P04 : Author(s): G. Tarling, S. Hill, H. Peat, S. Fielding, C. Reiss and A. Atkinson
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Are krill recruitment indices from meso-scale survey representative for larger areas?
programme which continuously collected krill demography data since 1993 during the austral summer season ... (R2) krill differ substantially between years. However, results were in conformity with the results ... krill between scientific surveys from the northern Bellingshausen Sea, the Elephant Island area ... between the krill recruitment of Atlantic and Indian Ocean survey sites. Problems of single-year outliers ...
Meeting Document : WG-EMM-02/20 : Author(s): V. Siegel (Germany), R.M. Ross and L.B. Quetin (USA)
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Catch per unit effort data from the early years of commercial krill fishing operations in the Atlantic sector of the Antarctic
Abstract: Catch Per Unit Effort data are presented from krill fishing operations in CCAMLR ... . The validity of the CPUE index is discussed as an indicator for krill abundance/biomass and caution ... the amount of krill available in a Statistical Subarea. Overall length frequency distributions from ... influence the representativeness of krill smaller 35 mm in the catches. Author(s): Sushin, V., Siegel ...
Meeting Document : WG-EMM-97/22 : Author(s): Sushin, V., Siegel, V.
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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 ... in 2016 and 38 and 200 kHz from March 6 to 14 in 2017. Krill were collected by the commercial middle trawl ... survey. The weighted krill density and biomass were estimated to be 0.20 g/m 2 and 18 thousand tons (CV ... S v difference-3.0-13.8 dB in 2017, respectively. Krill density and biomass were significantly higher in 2016 ...
Meeting Document : WG-EMM-17/08 : Author(s): S.-G. Choi, K. Lee and D. An
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Preliminary results of a survey on krill, environment and predators in CCAMLR Subarea 88.1 carried out in December 2003 and in January 2004 (Project 8.4)
88.1 (Ross Sea): acoustic survey on two krill species (E. superba and E. crystallorophias), net ... samplings on krill and other pelagic species, visual samplings on krill predators, CTD and XBT samplings ... (Italy) Title: Preliminary results of a survey on krill, environment and predators in CCAMLR Subarea ... Sea): acoustic survey on two krill species (E. superba and E. crystallorophias), net samplings ...
Meeting Document : WG-EMM-04/71 : Author(s): M. Azzali, A. Russo, A. Sala, A. de Felice, B. Catalano (Italy)
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An outline of the proposed 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 is planned ... by Japan. No krill biomass has been estimated in the Division since 1996 when Australia carried out BROKE ... . There are two main objectives of our survey: (1) estimation of krill biomass to update B(0) in the area ... , will be used in the survey. The krill survey (echosounder and RMT) and subsequent biomass estimation ...
Meeting Document : SG-ASAM-17/01 : Author(s): H. Murase, K. Abe, T. Ichii and A. Kawabata