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1. 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 : Автор(ы): L.V. Martin Traykovski (USA), R.L. O’Driscoll (New Zealand) and D.E. McGehee (USA)

2. 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 : Автор(ы): D.E. McGehee (USA), R.L. O’Driscoll (New Zealand) and L.V. Martin Traykovski (USA)

3. 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 : Автор(ы): K.G. Foote (Norway), D. Chu and T.K. Stanton (USA)

4. 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 : Автор(ы): CCAMLR Secretariat

5. 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 : Автор(ы): Delegation of Federal Republic of Germany

6. 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 : Автор(ы): G. Skaret, B.A. Krafft, G. Macaulay, T. Knutsen and O.A. Bergstad

7. 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 : Автор(ы): S. Mormede and S. Hanchet (New Zealand)

8. UPDATED KRILL RECRUITMENT DATA FOR THE ELEPHANT ISLAND REGION OF THE SOUTH SHETLAND ISLANDS, ANTARCTICA; 2002-2008

   , with low recruitment occurring during the intervening years. Significant differences in the ... derived from the CMIX procedure, and were also derived as a proportion of the <30 mm length class for ... day and night samples. All indices showed that high recruitment (R1) occurred in 2003 and in 2008 ... proportional recruitment indices occurred between legs within years indicative of the changing pattern of krill ...

   Meeting Document : WG-EMM-08/41 : Автор(ы): C. Reiss (USA)

9. Best practice seabird by-catch mitigation for Spanish-rig longline vessels with emphasis on line weighting regimes

   setting operations would involve a) setting longlines with weights 30 m apart (minimizes lofting in ... Abstract:  The Spanish system is used in a range of demersal and semi-pelagic longline fisheries ... autoline vessels, that are effective in reducing the mortality of white-chinned petrels, one of the world’s ... priority because Spanish system gear, while fast to deeper depths (10-20 m), is slow to clear surface ...

   Meeting Document : WG-FSA-06/22 : Автор(ы): G. Robertson (Australia), C.A. Moreno (Chile), B. Wienecke (Australia), P. Gandini (Argentina), G. McPherson (Australia) and J.-P. Seco Pon (Argentina)

10. Draft updated data collection plan for the Ross Sea toothfish fishery

    research objectives for the Ross Sea fishery for the next 5–7 years were developed in 2014. These medium ... Abstract:  Data are collected for use in scientific research, the results of which are used to ... Article II of CCAMLR can be summarised as: the target fished population is above a level which ensures ... are maintained; and, prevention of changes or minimisation of the risk of changes in the marine ...

    Meeting Document : WG-FSA-15/40 : Автор(ы): S.M. Hanchet, S.J. Parker and S. Mormede (New Zealand)

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