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1. Using mark-recapture and catch-age data to estimate fishing and natural mortality for the Patagonian toothfish at South Georgia

   , while fishing mortality-at-age was estimated, only one value of the natural mortality was permitted, as ... . There was additionally some suggestion of agestructure in the natural mortality-at-age. Author(s):  R.M ... natural mortality, and integrates catch-at-age data into the estimation model, to aid in distinguishing ... against simulated data, and performed as expected. Mark-recapture data from toothfish at South Georgia was ...

   Meeting Document : WG-FSA-SAM-06/06 : Autor(es): R.M. Hillary and D.J. Agnew (United Kingdom)

2. ADDING CATCH AT AGE AND SURVEY DATA TO THE 48.3 TOOTHFISH CASAL ASSESSMENT

   using short runs of catch-at-age data and the catchability being estimated by the survey. Estimates of ... Abstract:  The catch-at-age based CASAL model for toothfish in Subarea 48.3, which was presented ... retardation period and rate of tag loss. When these factors are included in the model the fits to the tag ... recaptures at size improve. However, there is still some evidence for a sex-based influence on the fits ...

   Meeting Document : WG-SAM-09/13 : Autor(es): D.J. Agnew and M. Belchier (United Kingdom)

3. Unusual breeding by seabirds at Marion Island during 1997/98

   these penguins, the mass of adults on arrival at colonies decreased substantially in the following (1998 ... Abstract:  In 1997/98, breeding at subantarctic Marion Island was exceptionally good for five ... species of seabirds capable of foraging over wide areas and for a tern. The number of king penguin ... Aptenodytes patagonicus chicks surviving to the start of spring in 1997 was considerably more than previously ...

   Meeting Document : WG-EMM-03/13 : Autor(es): R.J.M. Crawford, C.M. Duncombe Rae, D.C. Nel and J. Cooper (South Africa)

4. Seabird mortality in the longline fishery for Patagonian toothfish at the Prince Edward Islands: 1996–1997

   Abstract:  Longline fishing for Patagonian toothfish Dissostichus eleginoides commenced at the ... . This paper summarizes the mortality of seabirds associated with this fishery during the year July 1996 ... -June 1997. Data on seabird bycatches were obtained from fishery observers aboard 10 of 12 sanctioned ... fishing trips. Some 3.2 million hooks were observed during the period November-June, representing 84 % of ...

   Meeting Document : WG-FSA-97/51 : Autor(es): Boix-Hinzen, C., Enticott, J.W., Ryan, P.G., Wanless, R., Purves, M., Nel, D.C.

5. Marine ecosystem acoustics (MEA): quantifying processes in the sea at the spatio-temporal scales on which they occur

   -space scales at which they occur, which is essential for some of the management challenges of CCAMLR ... monitoring. Realistic understanding of what can and cannot be achieved with the available sampling techniques ... and strategies is essential. This paper focuses on approaches for observing processes at the time ... , for example the FBM.   Sustainable management of fisheries resources requires quantitative knowledge ...

   Meeting Document : WG-EMM-15/P01 : Autor(es): O.R. Godø, N.O. Handegard, H.I. Browman, G.J. Macaulay, S. Kaartvedt, J. Giske, E. Ona, G. Huse and E. Johnsen

6. Seabird identification – A photographic guide for observers at sea in Southern Indian Ocean

   observers at sea in the correct identification of seabirds. It does this through providing several images ... Description / Abstract:  This photographic guide has been developed with the aim of assisting ... for each species, at different stages and different angles both in the air and in the water. This ... project has been achieved thanks to French observers at sea working in Kerguelen and Crozet waters under ...

   Document : Site Section: Science

7. Are penguins and seals in competition for Antarctic krill at South Georgia?

   krill of similar size ranges, dive to similar depths and are restricted in their foraging range at least ... population at South Georgia may have resulted in greater competition for the prey of macaroni penguins ... spatial separation of the Bird Island populations of these two species whilst at sea during the breeding ... , respectively, the main mammal and bird consumers of Antarctic krill (Euphausia superba). In recent years the ...

   Meeting Document : WG-EMM-02/22 : Autor(es): K.E. Barlow, I.L. Boyd, J.P. Croxall, K. Reid, U.J. Staniland and A.S. Brierley (United Kingdom)

8. Marine pollutants and fishing gear associated with seabirds at sub Antarctic Marion Island, 1996–1998: trends in relation to longline fishing activity

   Abstract:  Pollutants found in association with seabirds at subantarctic Marion Island for the ... increase between the 1996/97 and the 1997/98 field seasons. Fishing gear increased at a rate ten times ... toothfish in blastfreezers and 23 toothfish hooks were found. All the rope nooses, and 19 of the-books were ... view of the fact that the large influx of illegal toothfish vessels to the Prince Edward Islands waters ...

   Meeting Document : CCAMLR-XVII/BG/26 : Autor(es): Delegation of South Africa

9. Anthropogenic feather soiling, marine debris and fishing gear associated with seabirds at Bird Island, South Georgia, 1998/99

   Abstract:  This report describes and quantifies the occurrence of anthropogenic feather soiling ... , marine debris and fishing gear associated with seabirds at breeding sites at South Georgia. In this, the ... sixth year of standardised recording, an unprecedented quantity of line originating from fishing vessels ... was recorded in association with wandering albatrosses. Quantities of fishing gear remained within the ...

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

10. Developing layers for a Risk Assessment for Subarea 48.1 using data from at-sea sightings

    predators. This paper describes the analysis of cetacean observations from at-sea surveys, to estimate the ... Abstract:  CCAMLR has endorsed the use of the Risk Assessment framework to apportion the krill ... catch limits in order to minimise the risk of the fishery to krill dependent predators. We plan to apply ... the risk assessment framework across Subarea 48.1 at various spatial and temporal scales, in order to ...

    Meeting Document : WG-EMM-2019/23 : Autor(es): V. Warwick-Evans, L. Dalla Rosa, E. Secchi, E. Seyboth, N. Kelly and P.N. Trathan

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