Résultats de la recherche

1. Possible effects of different levels of fishing on krill on predators - some initial modelling attempts

   Meeting of the CCAMLR's WG-Kril1 and WG-CEMP in 1992 to address this issue. First. estimates are made ... developed, in which krill abundance fluctuations impact the predator population, but not vice versa ... . Computations based on this model indicate that variability in the annual recruitment of krill results in ... predator population dynamics information in the context of the models developed, and about the model1ing of ...

   Meeting Document : WG-KRILL-93/43 : Auteur(s): D.S. Butterworth and R.B. Thomson (South Africa)

2. Broadbandwidth sound scattering and absorption from krill (Meganyctiphanes norvegica), Mysids (Praunus flexuousus and Neomysis integer) and shrimp (Crangon crangon)

   (Meganyctiphanes norvegica) over the acoustical bandwidth of 30 to 210 kHz and compared to similar scattering ... derived with the generic krill shape and scaled to animal length (L). This implies that crustacean target ... brings in to question the validity of the current TS relationship used for Antarctic krill because that ... volume of the animal. Collectively, these results provide tools for improving the detection of krill and ...

   Meeting Document : WG-EMM-04/40 : Auteur(s): S.G. Conti, D.A. Demer (USA) and A.S. Brierley (United Kingdom)

3. THE RISKS OF NOT DECIDING TO ALLOCATE THE PRECAUTIONARY KRILL CATCH LIMIT AMONG SSMUS AND ALLOWING UNCONTROLLED EXPANSION OF THE KRILL FISHERY UP TO THE TRIGGER LEVEL

   ability to achieve the objectives specified in Article II, and ii) the current trigger level is not as ... among SSMUs in Subareas 48.1-48.3, it was suggested that a comprehensive assessment of the risks that ... management) be undertaken. We used the same methods applied by the WG-EMM in 2008, including averaging ... risks to krill-dependent predators in a precautionary manner: i) cap krill catches at recent levels ...

   Meeting Document : WG-EMM-09/12 : Auteur(s): G.M. Watters (USA), S. Hill (United Kingdom), J.T. Hinke (USA) and P. Trathan (United Kingdom)

4. An index of per capita recruitment

   )eM where R1 is the proportion of age-1 animals sampled in year y and M is the post-recruit mortality ... spawners. Introducing year to year random variability in both mortality and proportion of age age-1 ... cycles in recruits per spawner after a 20% random sampling error was added to the value of R1 used in the ... calculation of PCR and year to year random variability in mortality and proportion of age-1 spawners was ...

   Meeting Document : WG-EMM-99/50 : Auteur(s): R. Hewitt (USA)

5. Preliminary study on the breedings of chinstrap and gentoo penguins at Barton Peninsula, King George Island

   following years. Some suggestion for the further research in this rookery are also mentioned. Author(s):  H ... Abstract:  A preliminary survey on 2 species of penguins, chinstrap and gentoo was made in the ... selected from several locations scattered in the colony. The nests were visited by 2-3 day interval and the ... change in the nest content were followed. Chicks were hatched out at 50% of the monitored nests on 18 ...

   Meeting Document : WG-CEMP-93/23 : Auteur(s): H.-C. Shin and S. Kim (Republic of Korea)

6. Entanglement of Antarctic fur seals (Arctocephalus gazella) by man made debris at Bird Island, South Georgia, during the 2005 winter and 2005/06 breeding season

   reported here. Two entanglements were observed in the winter, a decrease of 60% from the previous year, and ... made up the majority during the summer, in contrast to previous years. The majority (63%) of summer ... the lowest number seen since records began in 1990. One of these involved a male pup entangled in ... occurred to an adult female entangled in a plastic packing band causing slight constriction to the ...

   Meeting Document : SC-CAMLR-XXV/BG/13 : Auteur(s): Delegation of the United Kingdom

7. Medium-term research plan for the Ross Sea toothfish fishery

   to identify key research objectives for the fishery over the next 3–5 years in relation to Article II ... uncertainties in our current knowledge that need to be addressed to fulfil the requirements of Article II. These ... summarising the management and operation of the fishery up to and including the 2012/13 fishing year. This ... includes the 3-year experiment from 2005/06 to 2007/08, the further development of the CCAMLR tagging ...

   Meeting Document : WG-FSA-14/60 : Auteur(s): Delegations of New Zealand, Norway and the United Kingdom

8. Review of the 2005 budget, draft 2006 budget and forecast budget for 2007

   Assessment Levy. The increase in the Staff Assessment Levy together with an increase in income from Interest ... . The presentation is in the format determined by the Commission at its 2002 Meeting. The expenditure ... result in some one-off expenditures which cannot be quantified accurately at the time of preparing this ... budget. General Services Staff salary increases in 2004 also had the effect of an increase in the Staff ...

   Meeting Document : CCAMLR-XXIV/04 : Auteur(s): Executive Secretary

9. Spatial distribution and swarm characteristics of Antarctic krill around the South Shetland Islands

   markedly higher than the other two years. Meanwhile, much more swarms (1055) were detected in February 2018 ... as swarms in a patchy fashion and the mean krill densities in December 2013 and February 2018 were ... in March 2015 compared with those in December 2013, January 2016 and February 2018, although the ... using the swarm-based method established in SG-ASAM-17. Acoustic data were collected from the FV Fu Rong ...

   Meeting Document : WG-EMM-18/42 : Auteur(s): X. Yu, X. Wang and X. Zhao

10. CDS Implementation and Data Analysis

    the CDS. CDS reports of catches outside the Convention Area have increased in 2018. The Secretariat ... the CDS data was undertaken for 2018 and 2019. Across both years Chile had the greatest number of DCDs ... imports was by the United States of America (USA) in both years, followed by China. Analysis of supply ... Abstract:  The CDS was effectively implemented in 2019 by 16 Member States, three Acceding States ...

    Meeting Document : CCAMLR-38/BG/10 Rev. 2 : Auteur(s): CCAMLR Secretariat

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