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1. THE ROSS SEA ANTARCTIC TOOTHFISH FISHERY: REVIEW OF THE 3-YEAR EXPERIMENT AND DEVELOPMENT OF MEDIUM-TERM RESEARCH OBJECTIVES AND AN OPERATIONAL FRAMEWORK FOR THE FISHERY

   fishery over the next 5–7 years in relation to Article II of the Convention, and to develop an operational ... in relation to Article II of the Convention. As part of this process we identify uncertainties in our ... changes. Next we identify key operational and research objectives for the fishery over the next 5–7 years ... current knowledge which need to be addressed to fulfil the requirements of Article II. These include, for ...

   Meeting Document : WG-FSA-08/50 : Автор(ы): Delegation of New Zealand

2. Effects of recruitment variability and natural mortality on Generalised Yield Model projections and the CCAMLR Decision Rules for Antarctic krill

   %, 20%, or 30% were added to the observed recruitment values. The CCAMLR "depletion" decision ... maintaining spawning biomasses above 20% of unfished biomass in more than 90% of the trials. As the values for ... ;vector of recruitments" input option to simulate the population dynamics of krill in the Antarctic ... in length to the total captured in AMLR net samples in four sampling regions of the Antarctic ...

   Meeting Document : WG-EMM-12/26 : Автор(ы): D. Kinzey, G. Watters and C. Reiss (USA)

3. Near-shore acoustic surveys for Antarctic krill at South Georgia, January 2004

   observations from the past 20 years. A low density was perhaps not unexpected in line with recent cyclical ... were collected in seastate 6 with winds up to 30 knots and swells of approximately 2.5 m at survey ... patterns in density but may have been exacerbated by the presence of a large iceberg (40 miles by 30 miles ... Islands and off the Barff Peninsula, South Georgia, from a 59 foot yacht in January 2004. The purpose of ...

   Meeting Document : WG-EMM-04/35 : Автор(ы): A.S. Brierley, P.N. Trathan, J. Poncet and A. Morton (United Kingdom)

4. 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 ... dynamics model incorporating recruitment fluctuations together with information on adult survival and ... 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 ...

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

5. 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 : Автор(ы): S.G. Conti, D.A. Demer (USA) and A.S. Brierley (United Kingdom)

6. 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 : Автор(ы): G.M. Watters (USA), S. Hill (United Kingdom), J.T. Hinke (USA) and P. Trathan (United Kingdom)

7. An index of per capita recruitment

   cycles in recruits per spawner after a 20% random sampling error was added to the value of R1 used in the ... )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 ... calculation of PCR and year to year random variability in mortality and proportion of age-1 spawners was ...

   Meeting Document : WG-EMM-99/50 : Автор(ы): R. Hewitt (USA)

8. 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 : Автор(ы): H.-C. Shin and S. Kim (Republic of Korea)

9. 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

   made up the majority during the summer, in contrast to previous years. The majority (63%) of summer ... reported here. Two entanglements were observed in the winter, a decrease of 60% from the previous year, and ... 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 : Автор(ы): Delegation of the United Kingdom

10. 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 ... include, for example, uncertainty in the biological parameters and stock assessment of Antarctic toothfish ... , uncertainty in its ecological relationships with predators and prey, and uncertainty over other ecosystem ...

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

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