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1. A simulation study of krill fishing by an individual Japanese trawler

   of existing scientific krill survey data to improve the krill distribution model underlying this ... Japanese krill trawler over a half-month period, and the output is compared to statistics from a sample of ... data from the commercial fishery. Twenty-four candidate "CPUE" biomass indices are considered ... , and their performance investigated in response to six different ways in which the overall krill ...

   Meeting Document : SC-CAMLR-VI/BG/38 : Автор(ы): D.S. Butterworth (United Kingdom)

2. Preliminary results on the distribution and abundance of Antarctic krill (Euphausia superba) in the Weddell Sea, Southern Ocean

   Abstract:  Hydroacoustic data were collected to study the distribution and abundance of Antarctic ... krill relative to their predators in the Southern Ocean during annual logistic summer trips and ... 200 kHz transducers mounted on the drop keel of the research vessel were used to collect acoustic data ... ; where the first year (2014) of the study logged acoustic data during daytime only whilst surveys in ...

   Meeting Document : SG-ASAM-18/09 : Автор(ы): F.W. Shabangu

3. Variability of krill biomass estimates in repeated mesoscale surveys in relation to CCAMLR-2000 Survey

   krill biomasses derived from trawl catches was carried out; retrospective data of three Soviet surveys ... layers sampled during CCAMLR-2000 and Soviet surveys, krill biomass derived from data collected in 80-s ... the krill biomass status, is it high, medium or low at the present time. The comparative analysis of ... CCAMLR-2000. Krill biomass index calculated for the whole area of Soviet surveys doesn't reveal any ...

   Meeting Document : WG-EMM-01/28 : Автор(ы): V.A. Sushin, F.F. Litvinov (Russia) and V. Siegel (Germany)

4. Comparing two and three frequency dB window identification techniques for estimating Antarctic krill density

   . Density was estimated, from identified krill targets, using the 120 kHz data and an acoustic scattering ... Abstract:  Three surveys of acoustic data from around South Georgia, collected using a four ... frequency echosounder (38, 70, 120 and 200 kHz), were used to characterise Antarctic krill. Identification ... of krill targets was carried out using different permutations of two and three-frequency windows ...

   Meeting Document : SG-ASAM-18/01 : Автор(ы): S. Fielding

5. Net diagrams for Chilean vessels notified for krill fishery in 2015/16 Notification ID 86795, 86796 and 86797

   Abstract:  According to the requirements of Conservation Measure 21-03 (2014), this document ... vessels Betanzos and Cabo de Hornos, who present fishing notifications for the 2015/16 krill fishery ... Chilean vessels notified for krill fishery in 2015/16 Notification ID 86795, 86796 and 86797 Approval ...

   Meeting Document : WG-EMM-15/03 : Автор(ы): Delegation of Chile

6. 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 ... vessel, Kaiyo-maru, will be used in the survey. The krill survey (echosounder and RMT) and subsequent ...

   Meeting Document : SG-ASAM-17/01 : Автор(ы): H. Murase, K. Abe, T. Ichii and A. Kawabata

7. Information provided by Members on acoustic equipment on krill fishing vessels

   Abstract:  Understanding the equipment used and the data handling capability of the krill fishing ... vessels is important background information in considering the implementation  of potential data ... on acoustic equipment on krill fishing vessels Approval:  Approved ...

   Meeting Document : SG-ASAM-12/06 Rev. 1 : Автор(ы): Secretariat

8. 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 by the ... early in the fishing season (January/February), using two different krill fishing vessels as platforms ... and abundance of krill near the South Orkneys among years, we here attempt to generate a coherent ... series of krill density estimates from the 5 years of surveys. We follow the CCAMLR protocol for biomass ...

   Meeting Document : WG-EMM-15/54 : Автор(ы): G. Skaret, B.A. Krafft, L. Calise (Norway), J. Watkins (UK), R. Pedersen and O.R. Godø (Norway)

9. A comparison of acoustic targets at South Georgia and the South Orkney Islands during a season of profound krill scarcity

   zooplankton (smaller than krill). To counter the absence of krill length-frequency data from Coronation Island ... conjunction with appropriate 120 kHz data to calculate krill density estimates for both survey areas. Krill ... acoustic targets into three biological categories: Antarctic krill; nekton (larger than krill); and ... density; for example one echo-integration interval contained 104 times the mean krill density. An ...

   Meeting Document : WG-EMM-95/75 : Автор(ы): Watkins, J.L., Brierley, A.S.

10. Recruitment of Antarctic krill (Euphausia superba) and possible causes for its variability

    Abstract:  Between year variability of krill year class success and recruitment during the 1977 ... -1994 period are described based on data from German expeditions and U.S. Antarctic Marine Living ... environmental data indicate that good and poor year class success are directly and indirectly related to sea ice ... conditions during the preceding winter season, the timing of krill spawning, and the occurrence of dense salp ...

    Meeting Document : WG-EMM-95/15 : Автор(ы): Siegel, V., Loeb, V.

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