Search results

1. Estimated food consumption by penguins at the Prince Edward Islands

   Abstract:  The consumption of food by the four species of breeding penguins at the Prince Edward ... Islands is assessed on an annual and seasonal basis. Total annual food consumption was estimated at 880 ... 000 t, of which king penguins accounted for 74%, macaroni penguins 21%, rockhopper penguins 5% and ... consumption by penguins at the Prince Edward Islands Approval:  Approved ...

   Meeting Document : WG-Joint-94/15 : Author(s): N.J. Adams, C. Moloney and R. Navarro (South Africa)

2. RECRUITMENT AND BODY SIZE IN RELATION TO TEMPERATURE IN JUVENILE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) AT SOUTH GEORGIA

   commercially important, deepwater nototheniid fish, was examined at the sub-Antarctic island of South Georgia ... mirrored those previously observed in a range of krill-dependent land-based predators at South Georgia for ... forecasts of years of good or poor recruitment for the toothfish fishery at South Georgia Author(s):  M ... . Abundance of the 1+ juvenile fish cohort (13 to 15 month old dependent on survey date) was found to vary ...

   Meeting Document : WG-FSA-08/P02 : Author(s): M. Belchier and M.A. Collins

3. CEMP cameras data validation experiment at the Galindez Island gentoo penguin (Pygoscelis papua) colonies

   cameras of the CEMP camera monitoring project of CCAMLR at Galindez Island gentoo (Pygoscelis Papua ... Abstract:  The two seasons of the data validation experiment provided for pictures from time-lapse ... ) penguin colonies are discussed. During 2017/18 and 2018/19 seasons, biologists-winterers at Vernadsky ... station (Galindez Island), GAI CEMP site, provided daily observations of 15 gentoo nests chosen in the ...

   Meeting Document : WG-EMM-2019/59 : Author(s): P. Khoetsky, A. Dzhulai, V. Smagol, G. Milinevsky, I. Dykyy, A. Simon, M. Telipska, E. Dykyi, I. Parnikoza and L.Pshenichnov

4. Considerations about managing the krill fishery at small spatial and temporal scales

   detail, and a lot of detail is potentially necessary for managing at these smaller scales. Much of this ... harvest levels, including the implementation of regular acoustic surveys at different times of year to ... Abstract:  We discuss a number of ecological issues in relation to CCAMLR’s aspiration for ... managing the krill fishery at small temporal and spatial scales. We highlight that the devil is in the ...

   Meeting Document : WG-EMM-2019/22 : Author(s): P.N. Trathan, V. Warwick-Evans and E. Young

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

   ) satellite-tracking data to investigate the spatial separation of these two species whilst at sea during the ... consumers of Antarctic krill. In recent years the population of fur seals has increased whereas that of ... macaroni penguins has declined. Both species feed on krill of similar size ranges, dive to similar depths ... and are restricted in their foraging range at least while provisioning their offspring. In this study ...

   Meeting Document : WG-EMM-01/22 : Author(s): K.E. Barlow, I.L. Boyd, J.P. Croxall, I.J. Staniland, K. Reid and A.S. Brierley (United Kingdom)

6. 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 : Author(s): R.M. Hillary and D.J. Agnew (United Kingdom)

7. 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 : Author(s): D.J. Agnew and M. Belchier (United Kingdom)

8. Fishing equipment, marine debris and hydrocarbon soiling associated with seabirds at Bird Island, South Georgia, 2006/07

   reflecting discard of used baited hooks at sea. Entanglements continue to be observed with hooks being ... Abstract:  This report describes and quantifies occurrences of fishing gear, marine debris and oil ... associated with seabirds at Bird Island, South Georgia from 1 April 2006 to 31 March 2007. It is the ... fourteenth such annual report. As in previous years, more items of marine debris and fishing gear (mostly ...

   Meeting Document : SC-CAMLR-XXVI/BG/18 : Author(s): Delegation of the United Kingdom

9. 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 : Author(s): R.J.M. Crawford, C.M. Duncombe Rae, D.C. Nel and J. Cooper (South Africa)

10. 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 : Author(s): Delegation of South Africa

Pages