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1. On influence of acoustic survey methodology improvement on krill biomass estimation. (A comparison of results of acoustic surveys based on single-frequency and double-frequency algorithms)

   species identification realized by single-frequency and double-frequency algorithms could cause a marked ... difference in krill biomass estimates. A difference was more than 1.8 times in the case under consideration ... . Judging from significant differences in biomass estimates attributed to only introducing a new method of ... have a considerable influence on biomass estimates obtained. Therefore. it is expected that the ...

   Meeting Document : WG-EMM-01/41 : Автор(ы): S.M. Kasatkina and A.P. Malyshko (Russia)

2. Revision of biological and population parameters for Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a comprehensive survey of fishing grounds and recruitment areas in the region

   Abstract:  Based on a survey of Dissostichus eleginoides in the Heard Island region in April 1999 ... originally estimated and that, in recent years, there has been an influx of a large number of young fish ... compared to the period during the first surveys in the early 1990s. A notable outcome of the 1999 survey is ... region. Careful thought will need to be given to how best to manage a stock that aggregates in this ...

   Meeting Document : WG-FSA-99/68 : Автор(ы): A.J. Constable, R. Williams, T. Lamb and E. van Wijk (Australia)

3. Southern royal albatross Diomedea epomophora census on Campbell Island, 4 January–6 February 1996, and a review of population figures

   Abstract:  A census of breeding Southern Royal Albatross was undertaken at Campbell Island during ... the period 4 January to 6 February 1996 of the 1995-96 breeding season. A total of 7787 occupied nests ... was counted. Comparisons of different field census techniques and a measure of the rate of egg loss ... 1996, and a review of population figures Approval:  Approved ...

   Meeting Document : SC-CAMLR-XVII/BG/13 : Автор(ы): Delegation of New Zealand

4. FIELD IDENTIFICATION GUIDE TO HEARD ISLAND AND MCDONALD ISLANDS (HIMI) BENTHIC INVERTEBRATES: A GUIDE FOR SCIENTIFIC OBSERVERS ABOARD FISHING VESSELS

   Abstract:  At CCAMLR-XXVI the Working Group on Fish Stock Assessment (WG-FSA) noted a lack of ... to Heard Island and McDonald Islands (HIMI) benthic invertebrates: a guide for scientific observers ... intended for use as both a training tool, and at-sea by trained observers, to make accurate identifications ... similar guides for training purposes and at-sea use by observers in other CCAMLR designated fisheries, a ...

   Meeting Document : SC-CAMLR-XXVIII/BG/12 : Автор(ы): Delegation of Australia

5. ASSESSMENT OF PATAGONIAN TOOTHFISH POPULATION IN THE NORTH OF SUBAREA 48.4 USING DATA FROM A FOUR-YEAR TAGGING EXPERIMENT

   . eleginoides tag returns in 2008/09, bringing the total from all seasons up to 54 tag recaptures; 4. A total of ... a limited number of cohorts. 7. CASAL confirms that the vulnerable biomass is dominated by a single ... simple Petersen and local CPUE estimates, with a B0 of 1143 t and B2009/B0 of 85%. 9. The sustainable ... DATA FROM A FOUR-YEAR TAGGING EXPERIMENT Approval:  Approved ...

   Meeting Document : WG-FSA-09/17 : Автор(ы): J. Roberts and D.J. Agnew (United Kingdom)

6. FURTHER DEVELOPMENTS OF A SIMULATION MODEL, ‘PATCH’, FOR EVALUATING MANAGEMENT STRATEGIES TO CONSERVE BENTHIC HABITATS (VULNERABLE MARINE ECOSYSTEMS) WHICH ARE POTENTIALLY VULNERABLE TO IMPACTS FROM BOTTOM FISHERIES

   habitats. Noting the paucity of data on the ecology of these habitats, this paper further develops a ... requirement can be translated into a simple operational objective: Maintain the quality of habitats above the ... ”, a categorisation fraught with difficulty. Instead, it means that habitats for which this would not ... uncertainties to be captured in a straight-forward manner to assist CCAMLR in maintaining its precautionary ...

   Meeting Document : WG-FSA-09/42 : Автор(ы): A.J. Constable (Australia)

7. A history of the acquisition and analysis of sea-ice data by CCAMLR

   1990, and following a pilot study carried out by the Secretariat sea ice data derived from US Joint Ice ... source of data, digital images produced by the US National Snow and Ice Data Centre, with a relatively ... produce a number of indices of ‘sub area' scale sea ice distribution. Archiving and analysing high ... , D.J. Title:  A history of the acquisition and analysis of sea-ice data by CCAMLR Approval:  Approved ...

   Meeting Document : WG-EMM-96/15 : Автор(ы): Agnew, D.J.

8. A way forward in the multivariate analysis of Antarctic predator, prey and environment indices: predator-environment interactions at Seal Island

   species and changes due to environmental variability. Data from Seal Island are used to construct a ... used to propose a method of distinguishing between effects of environmental variation and harvesting on ... short time series now available, and provides a way forward in the analysis and interpretation of the ... CEMP indices. Author(s):  Agnew, D.J., Watters, G., Hewitt, R. Title:  A way forward in the ...

   Meeting Document : WG-EMM-96/27 : Автор(ы): Agnew, D.J., Watters, G., Hewitt, R.

9. AMLR Hydroacoustic Survey System Description of Methods, A Case Study

   blocks of area and finally a total estimate of abundance and statistical confidence limits about the ... block estimates and the total biomass in the surveyed area. The process depends on: 1) a calibrated ... , towed hydroacoustic system; 2) real-time analysis of data; and 3) using a structured database which ... Survey System Description of Methods, A Case Study Approval:  Approved ...

   Meeting Document : WG-KRILL-89/10 : Автор(ы): M.C. Macaulay (USA)

10. Results of the research fishing activities conducted by Chile in Management A of Subarea 48.3 from 2005–2008: the importance of conserving the big older fishes

    Abstract:  This research makes a contribution to the Agenda Item 8 of the WG-FSA. (Biology ... Dissostichus eleginoides (TOP) from the Area management A (subarea 48.3), after 4 year of closure (2004 to 2008 ... fish caught, at a mean rate of approximately 1 kg per year/per individual. This result suggests that ... conducted by Chile in Management A of Subarea 48.3 from 2005–2008: the importance of conserving the big ...

    Meeting Document : WG-FSA-10/35 : Автор(ы): C.A. Moreno and P. Rubilar (Chile)

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