Résultats de la recherche

1. 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 : Auteur(s): K.E. Barlow, I.L. Boyd, J.P. Croxall, K. Reid, U.J. Staniland and A.S. Brierley (United Kingdom)

2. 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 : Auteur(s): Delegation of South Africa

3. 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 : Auteur(s): Delegation of the United Kingdom

4. 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 : Auteur(s): V. Warwick-Evans, L. Dalla Rosa, E. Secchi, E. Seyboth, N. Kelly and P.N. Trathan

5. Fishing gear, marine debris and oil associated with seabirds at Bird Island, South Georgia, 2002/03

   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 2002 to 31 March 2003. It is the tenth ... such annual report. As in most previous years, more items of fishing gear (mostly longlining gear) and ... , though numbers of both decreased slightly since last year. The quantity of fishing gear associated with ...

   Meeting Document : SC-CAMLR-XXII/BG/09 : Auteur(s): Delegation of the United Kingdom

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

   fishing gear associated with seabirds at Bird Island, South Georgia. In this, the eighth year of ... at South Georgia. Author(s):  Delegation of the United Kingdom Title:  Anthropogenic feather soiling ... Abstract:  This report describes and quantifies occurrences of oil, paint, marine debris and ... standardised recording, an unprecedented quantity of hooks (both with and without long-line attached)and ...

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

7. A life table for female Antarctic fur seals breeding at Cape Shirreff, Livingston Island

   juvenile survival, age at first reproduction, and resight probabilities. Longitudinal histories of presence ... and pregnancy of adult females (aged by cementum annuli) were used to estimate age-specific survival ... -2005. These data are used to construct an age-dependent life table for female fur seals breeding at ... Cape Shirreff and to estimate net reproductive rate, mean generation time and the intrinsic rate of ...

   Meeting Document : WG-EMM-06/39 : Auteur(s): M.E. Goebel, B.I. McDonald, J.D. Lipsky (USA), V.I. Vallejos, R.A. Vargas, O. Blank (Chile), D.P. Costa (USA) and N.J. Gales (Australia)

8. Beach litter accumulation and retention at sub-Antarctic Marion Island: trends in relation to longline fishing activity

   retention study. Author(s):  Delegation of South Africa Title:  Beach litter accumulation and retention at ... Abstract:  Standardised beach litter surveys at subantarctic Marion Island for the period 1996 to ... 1998 are reported, and compared to surveys done in 1984 and 1995, prior to the onset of unregulated ... accumulation studies at designated beaches. Styrofoam pieces and plastic bottles showed the largest increases ...

   Meeting Document : CCAMLR-XVII/BG/25 : Auteur(s): Delegation of South Africa

9. Growth models for D. eleginoides for the Heard Island plateau region (Division 58.5.2) calibrated from otolith-based length at age data and validated using mark-recapture data

   Abstract:  Length-at-age data for the Patagonian toothfish (Dissostichus eleginoides) caught by ... (VP) of sampling lengths. A segmented linear trawl fishing selectivity function was used where the ... upper-arm was estimated, as described elsewhere, from comparisons of longline LF samples to that for ... trawls for seasons where both fishing methods were used. Due to the small number of fish in the aged ...

   Meeting Document : WG-FSA-05/64 Rev. 1 : Auteur(s): S.G. Candy, T. Lamb, A.J. Constable and R. Williams (Australia)

10. Marine debris surveys at Bird Island, South Georgia 1990 to 1995

    . Between 1990 and 1995 beached debris was monitored at Bird Island, South Georgia. This was part of a ... in the proportion of Antarctic fur seal Arctocephalus gazella entangled in this material at South ... Abstract:  The Antarctic marine environment has relatively few direct sources of man-made marine ... debris; however, there is concern over the dangers posed to wildlife by increasing amounts of such debris ...

    Meeting Document : CCAMLR-XV/BG/05 : Auteur(s): Delegation of the United Kingdom

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