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1. REVISED AGE AND GROWTH ESTIMATES FOR ANTARCTIC STARRY SKATE, AMBLYRAJA GEORGIANA, FROM THE ROSS SEA

   growth, greater ages at maturity (about 20 years compared with 6–11 years) and greater maximum ages (28 ... Abstract:  A previous study on the age and growth of Amblyraja georgiana in the Ross Sea suggested ... that these skates initially grow very rapidly for about five years, after which growth almost ceases ... (Francis and Ó Maolagáin, 2005). We present an alternative interpretation of age and growth in A. georgiana ...

   Meeting Document : WG-FSA-08/21 : Autor(es): M.P. Francis (New Zealand) and M.J. Gallagher (Ireland)

2. Managing fisheries to conserve the Antarctic marine ecosystem: practical implementation of the Convention on the Conservation of Antarctic Marine Living Resources (CCAMLR)

   decimated in the first two years of the fishery following catches of about 500,000t. Two other species have ... management measures can be adjusted in sufficient time to ensure the objectives are met. Attention is given ... Abstract:  Apart from exploitation of seals and whales, Antarctic fisheries began in the late ... 1960s with exploitation of the marbled rockcod, Notothenia rossii, in the South Atlantic, a species ...

   Meeting Document : SC-CAMLR-XVIII/BG/26

3. Evaluation of de la Mare’s composite standardised index for generating a simple time-series summary of many long-term datasets on Antarctic predators: consequences of missing values and criteria for inclusion of predator parameters

   indicate that a time series of 3 years for the full matrix of 8 parameters used in this study is sufficient ... datasets on Antarctic predators. The value of the index in a given year is dependent on the specific ... parameters present in that year. In this respect, the robustness of the index is dependent on that subset of ... Abstract:  In 1997, de la Mare presented a statistic (labelled the Composite Standardised Index at ...

   Meeting Document : WG-EMM-98/45 : Autor(es): A. Constable (Australia)

4. Effect of orientation on broadband acoustic scattering of Antarctic krill Euphausia superba: implications for inverting zooplankton spectral acoustic signatures for angle of orientation

   and video footage from several Antarctic krill were carried out to determine the effect of animal ... pattern of changes in echo spectra with orientation for the experimentally measured acoustic returns was ... ) model. Information contained in the broadband echo spectra of the krill was exploited to. invert the ... Classification (CMVC) approach, using generic and animal-specific theoretical and empirical model spaces. The ...

   Meeting Document : WG-EMM-99/41 : Autor(es): L.V. Martin Traykovski (USA), R.L. O’Driscoll (New Zealand) and D.E. McGehee (USA)

5. Effects of orientation on acoustic scattering from Antarctic krill at 120 kHz

   ) were made at a frequency of 120 kHz in a chilled insulated tank at the Long Marine Laboratory in Santa ... Cruz, CA. Individual animals were suspended in front of the transducers, were only loosely constrained ... collected per animal. Orientation data were recorded on video. The acoustic data were analyzed and target ... 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)

6. Status of krill target strength

   cause of bias in single-animal measurements, namely thresholding. Theoretical estimates for the target ... dependence of target strength on both animal size and transmit frequency, notwithstanding admitted ... shortcomings. Some recent single-animal measurements of target strength for live euphausiids and euphausiid ...

   Meeting Document : WG-KRILL-92/11 : Autor(es): K.G. Foote (Norway), D. Chu and T.K. Stanton (USA)

7. Transhipment implementation report

   notification processing and publication in 2019/20. Author(s):  CCAMLR Secretariat Title:  Transhipment ... Convention Area in accordance with Conservation Measure 10-09. The Secretariat maintains a list of all ... transhipment notifications on the password protected part of the website in accordance with CM 10-09 paragraph ... 5. This paper summarises the transhipment notifications received between 1 August 2018, and 31 July ...

   Meeting Document : CCAMLR-38/BG/15 : Autor(es): CCAMLR Secretariat

8. Effects of different harvesting strategies on the stock of Antarctic icefish Champsocephalus gunnari around South Georgia

   Champsocephalus gunnari have been simulated for a period of 30 years. These were- diffierent levels of constant ... years after a good recruitment,- pulse fishing at an interval of 3 years with no fishing in between;- a ... of the incoming year class. An increaseof F, however, should not occur before 4 years after a good ... shift in partial recruitment values due to changes in net selectivity. For the projections recruitment ...

   Meeting Document : SC-CAMLR-VIII/BG/47 : Autor(es): Delegation of Federal Republic of Germany

9. Results from the 2019 annual acoustic krill monitoring off the South Orkney Islands

   surveys from 2011 to 2018. The distribution was similar to previous years with most krill along the shelf ... Abstract:  In 2019, the annual IMR regional krill monitoring survey off the South Orkneys was ... comparison with previous survey years and provide some context for the large scale survey estimate, we here ... present the results from the 2019 regional survey processed and analysed in the same way as the annual ...

   Meeting Document : WG-EMM-2019/69 : Autor(es): G. Skaret, B.A. Krafft, G. Macaulay, T. Knutsen and O.A. Bergstad

10. Developing a Ross Sea region medium-term data collection plan

    , proposed medium term research objectives for the Ross Sea fishery for the next 5–7 years were developed in ... Abstract:  Data are collected for use in scientific research, the results of which are used to ... -CCAMLRXXVII paragraph 4.160 vi). The long-term goals of the Ross Sea fishery based on Article II of CAMLR can ... , prevention of changes or minimisation of the risk of changes in the marine ecosystem which are not ...

    Meeting Document : WG-FSA-10/32 : Autor(es): S. Mormede and S. Hanchet (New Zealand)

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