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1. Seabird by-catch in the Patagonian toothfish longline fishery at the Prince Edward Islands: 1998–1999

   birds per 1000 hooks, compared with 0.289 in 1996-97 and 0.117 in 1997-98. Comparisons between years for ... Abstract:  Longline fishing for Patagonian toothfish Dissostichus eleginoides in the South African ... an underwater setting device (a Mustad funnel) significantly reduced bird bycatch to acceptable ... typically peaks (mid-late summer). An average of 4.5 live birds were caught per 100 hauls; although these ...

   Meeting Document : WG-FSA-99/42 Rev. 1 : Autor(es): P.G. Ryan and B.P. Watkins (South Africa)

2. Population dynamics of the wandering albatross Diomedea exulans at Marion Island: long-line fishing and environmental influences

   , suggesting common factors operating at an ocean-basin scale. The average survival rate of adult females was ... , suggesting a male-biased population. Survival rates of juvenile males and females did not differ. The age ... supplementary food being made available by the initiation of a longline fishery for Patagonian toothfish ... that attempts to breed in a given year. Changes in several demographic parameters that appear to be ...

   Meeting Document : WG-EMM-03/11 : Autor(es): D.C. Nel, F. Taylor, P.G. Ryan and J. Cooper (South Africa)

3. Preliminary tag-recapture based population assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 48.4

   series and harvest rate of γ = 0.038, implies a 2019/20 yield of 45 tonnes using the 5-year average ... . The current method of assessment, based on tag returns, consequently, is considered to provide an ... Consent:  No Delegation responsibility for releasing documents:  United Kingdom ... from tagging returns to average 1109 tonnes since 2010, with a five-year (2015-2019) average biomass of ...

   Meeting Document : WG-FSA-2019/27 : Autor(es): T. Earl and A. Riley

4. By-catch of fish in longline catches off the Kerguelen Islands (Division 58.5.1) during the 1995/96 season

   cruise and an experimental deep-sea longline fishing cruise targeting Patagonian toothfish (Dissostichus ... at the limit of their bathymetric range. An abundance index was used to show bathymetric and ... 80 85 90 Total length (cm) Figure 7: Size distribution of Macrourus carinatus caught during ... taken during a commercial fishing cruise and an experimental deep-sea longline fishing cruise targeting ... others were mainly shelf-dwelling species found at the limit of their bathymetric range. An abundance ... fishing for D. eleginoides has expanded to other parts of the Southern Ocean (South Georgia and recently ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 175–193 : Autor(es): Duhamel, G., P. Pruvost and D. Capdeville

5. On the consequences of differentiating between adult and sub-adult survival rates in the krill-predators model

   is unable to achieve compatibility with survival rate data for the Antarctic fur seal coupled to an ... split of the overall density dependence effect between the first year and following sub-adult years of ... adults and sub-adults, with different survival rates for these two groups. Broadly speaking, the sub ... for both these parameters, consideration needs to be given to the possibilities for qualitatively ...

   Meeting Document : WG-EMM-95/39 : Autor(es): Butterworth, D.S., Thomson, R.B.

6. Advances are urgently needed in providing regular estimates of krill stock status based on the available data

   Abstract:  CCAMLR currently manages the krill fishery in subareas 48.1 to 48.4 using an arbitrary ... trigger level is not related to the status of the stock. The establishing terms of reference for WG-EMM ... include requests to “assess the status of krill” and “develop management advice … for management of krill ... the available data. Here, we briefly review some of the progress that CCAMLR working groups and the ...

   Meeting Document : WG-EMM-2019/28 : Autor(es): S. Hill, J. Hinke, N. Ratcliffe, P. Trathan and G. Watters

7. Korean research plan in Subarea 88.3 in 2016/17

   results in an assessment of a stock in 3-4 years time (SC-CAMLR XXVIII, paragraphs 4.165). During the 2015 ... recapture. it was further noted that there was no research activities more than two consecutive years in the ... Secretariat Workflow Status:  Content Approved Delegation responsibility for releasing documents:  Korea ... /16 season the Korean flagged vessel, Greenstar, conducted 1 st year research in this area. Total of ...

   Meeting Document : WG-SAM-16/11 : Autor(es): Delegation of the Republic of Korea

8. VME detection thresholds: provision of a beta version of a R library to compute detection probabilities and preliminary results on the case of the sea pens (Pennatulacea) of the CCAMLR Division 58.4.4b

   CCAMLR SAM Working Group 2018. However, despite the important level of the catches, no VME detection ... threshold triggering out the establishment of an immediate fishing exclusion zone have been reached. Here ... Consent:  No Delegation responsibility for releasing documents:  France ...

   Meeting Document : WG-FSA-2019/46 : Autor(es): A. Martin and M. Eléaume

9. Sampling toothfish from longlines with unequal probabilities

   observers are recommended to sample a quota of the first 30 fish that are caught during a sampling session ... unequal probabilities which, if unaccounted for, can lead to serious biases in estimates of population ... does not particularly matter if an observer starts sampling before or after the correct basket arrives ...

   Meeting Document : WG-FSA-03/85 : Autor(es): J.R. Ashford (USA)

10. Anthropogenic feather soiling, marine debris and fishing gear associated with seabirds at Bird Island, South Georgia, 2000/01

    . Quantities of fishing gear remained within the levels of previous years for all other species. Marine debris ... for grey-headed albatrosses, but a 24% decrease from the maximum of the previous year for wandering ... standardised recording, an unprecedented quantity of hooks (both with and without long-line attached)and ... waste was once again associated with wandering and black-browed albatrosses, and for the first time with ...

    Meeting Document : SC-CAMLR-XX/BG/07 : Autor(es): Delegation of the United Kingdom

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