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1. Acoustic assessment of potential bias in abundance estimates of mackerel icefish from trawl surveys

   Abstract:  In 2000, CCAMLR asked the Working Group on Fish Stock Assessment (WG-FSA), whether ... that a significant proportion of the stock occurred in midwater. If this is the case, then bottom trawl ... trawl and acoustic data taken contemporaneously during a survey for mackerel icefish in the Heard Island ... region (CCAMLR division 58.5.2) in May 2000. The relationship between mackerel icefish catches and the ...

   Meeting Document : WAMI-01/05 : Автор(ы): E. van Wijk, T. Pauly, A. Constable and R. Williams (Australia)

2. Some comments on the procedure of krill target strength assessment in echosurveys

   in echosurveys is discussed. It is known that krill abundance and biomass estimation should be ... considered as two independent tasks with different requirements to midwater trawl utilization in echosurveys ... requires another approach to echosurveys, since two actually independent task should be solved in that case ... : assessment of MSBS (MVBS) acoustic parameter distribution and krill length (weight) distribution in the study ...

   Meeting Document : WG-EMM-98/21 : Автор(ы): S.M. Kasatkina (Russia)

3. PROPERTIES OF WATER DYNAMICS AND KRILL DISTRIBUTION IN THE SOUTH SANDWICH ISLANDS SUBAREA

   Abstract:  of mean krill density in Subarea 48.4 there are premises for formation of the zones ... with meanders and eddy favorable for krill concentration. Here, in the cold water of the Weddell Sea ... , the main part of biomass of Subarea 48.4, are concentrated. In January-February, 2000, almost 60% of ... fields, distributed in a rather narrow depth range,- obviously may promote above said zones, firstly ...

   Meeting Document : WG-EMM-09/44 Rev. 1 : Автор(ы): S.M. Kasatkina and V.N. Shnar (Russia)

4. Latitudinal variation of demersal fish assemblages in the western Ross Sea

   Abstract:  Demersal fishes were sampled using a large fish trawl during two surveys carried out in ... February and March 2004 and 2008 in the Ross Sea, and around seamounts and islands just to the north at 66 ... °S. The distribution and abundance of 65 species collected in these surveys were examined to ... broad assemblages were identified, in the southern Ross Sea (south of 74°S), central–northern Ross Sea ...

   Meeting Document : WG-FSA-10/P03 : Автор(ы): M.R. Clark, M.R. Dunn, P.J. McMillan, M.H. Pinkerton, A. Stewart and S.M. Hanchet

5. Information on levels of seabird by-catch in fisheries adjacent to the CAMLR Convention Area

   in 2013 for ACAP to provide information on the levels of seabird bycatch in fisheries adjacent to the ... framework is reported. It is noted that work is ongoing in this respect, and that the information provided ... assessed or analysed. In relation to Regional Fisheries Management Organisations (RFMOs), it is reported ... that there is a general need to improve levels of bycatch reporting, and in some cases to develop or ...

   Meeting Document : CCAMLR-XXXIII/BG/15 Rev. 1 : Автор(ы): Submitted by ACAP

6. Review of cetacean depredation in CCAMLR statistical subareas

   to the toothfish fishing industry and if not considered appropriately may lead to a bias in stock ... assessments through the underestimation of total mortality resulting from fishing and depredation combined. In ... some CCAMLR subareas this occurrence is well studied and included into stock assessments, while in ... other subareas the problem is known but not currently addressed. The areas in which the establishment of ...

   Meeting Document : WG-SAM-15/27 : Автор(ы): M. Soeffker (United Kingdom) and P. Tixier (France)

7. Important Bird Areas (IBAs) in Antarctica

   Environmental Protection (CEP XVIII) at its June 1-5 meeting in Sofia, Bulgaria (WP 40, Important Bird Areas ... (IBAs) in Antarctica and IP 27 Important Bird Areas (IBAs) in Antarctica). These papers reported on the ... population assessment worldwide. The CEP recognised the value of the IBA report to those interested in bird ... Resolution D (2015) welcomed the report and recommended that Parties take into account the information in the ...

   Meeting Document : WG-EMM-15/32 : Автор(ы): P.A. Penhale (USA)

8. A review of conversion factors used in CCAMLR toothfish fisheries

   Abstract:  The product to green-weight conversion factors used in the toothfish fishery are ... paper reviews the data available on conversion factor in the C2 and Observer data as well as the factors ... as an apparent long-term trend in the most commonly reported conversion factors. This variability ... reconciliation between the reported catch for a vessel and the weight of product reported in a catch document ...

   Meeting Document : WG-FSA-15/02 : Автор(ы): CCAMLR Secretariat

9. Scientific observations in CCAMLR fisheries – past, present and future

   are difficult and expensive to conduct. In addition, the size of the Convention Area, its remoteness ... and prevailing inclement weather have complicated matters. Therefore, in addition to the standard ... aboard fishing vessels has assumed prominence in the collection of essential data for fisheries ... management purposes. The Scheme of International Scientific Observation, adopted by CCAMLR in 1992, is ...

   Meeting Document : WG-FSA-04/64 : Автор(ы): Secretariat

10. Estimates of sustainable yield for 50 data-poor stocks in the Pacific coast groundfish fishery management plan

    in Federal fishery management plans beginning in 2011. Most species listed in the Pacific Coast ... Groundfish Fishery Management Plan have not been assessed, in large part due to data limitations. Estimates ... stock productivity. For this set of data-poor stocks, recent landings statistics reflect shifts in the ... distributions, reflecting our uncertainty in model parameters. We select median values as point estimates of OFL ...

    Meeting Document : WG-SAM-11/P1 : Автор(ы): E.J. Dick and A.D. McCall

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