Résultats de la recherche

1. Demography and population trends of the Atlantic yellow-nosed albatross

   two study colonies on Gough Island and Tristan da Cunha for 20 years. Annual variation in the number ... both study populations have trended downward at around 1.2% per year. The number of established ...

   Meeting Document : WG-FSA-03/37 : Auteur(s): R. Cuthbert (United Kingdom), P.G. Ryan, J. Cooper (South Africa) and G. Hilton (United Kingdom)

2. FURTHER DEVELOPMENTS OF A SIMULATION MODEL, ‘PATCH’, FOR EVALUATING MANAGEMENT STRATEGIES TO CONSERVE BENTHIC HABITATS (VULNERABLE MARINE ECOSYSTEMS) WHICH ARE POTENTIALLY VULNERABLE TO IMPACTS FROM BOTTOM FISHERIES

   level that can naturally restore the original structure and function within 20 years. It does not ... approach in managing Antarctic fisheries. The model is ready for use by WG-FSA this year to begin ...

   Meeting Document : WG-FSA-09/42 : Auteur(s): A.J. Constable (Australia)

3. Estimating the impact of depredation by killer whales and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia

   , depressing CPUE by up to 20%. Sperm whales have been more frequently encountered in recent years, occurring ...

   Meeting Document : WG-FSA-10/P06 : Auteur(s): J. Moir Clark and D.J. Agnew

4. A SIMULATION MODEL FOR EVALUATING MANAGEMENT STRATEGIES TO CONSERVE BENTHIC HABITATS (VULNERABLE MARINE ECOSYSTEMS) WHICH ARE POTENTIALLY VULNERABLE TO IMPACTS FROM BOTTOM FISHERIES

   level that can naturally restore the original structure and function within 20 years.  It does not ...

   Meeting Document : WG-SAM-09/21 : Auteur(s): A.J. Constable (Australia)

5. A descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in the Ross Sea up to 2005/06

   20% of the recaptures could not be matched to a release observation, mainly because of missing ... . Tagging rates by area over the past three years have been in the same proportion as the catch by area ...

   Meeting Document : WG-FSA-SAM-06/09 : Auteur(s): A. Dunn and S.M. Hanchet (New Zealand)

6. Marine debris and entanglements at Bird Island and King Edward Point, South Georgia, Signy Island, South Orkneys and Goudier Island, Antarctic Peninsula 2012/13

   (operational during summer only; 25 November 2012 to 20 March 2013) recorded a total of 13 items of beached ... lowest recorded in 23 years of summer surveys at Signy Island, possibly due to sea-ice coverage at the ...

   Meeting Document : SC-CAMLR-XXXII/BG/05 : Auteur(s): Delegation of the United Kingdom

7. Disentangling the influence of three major threats on the demography of an albatross community

   threats on the demography of seabird communities is vital for evidence-based conservation. Using 20 years ...

   Meeting Document : WG-FSA-2019/34 : Auteur(s): J.B. Cleeland, D. Pardo, B. Raymond, G.N. Tuck, C.R. McMahon, R.A. Phillips, R. Alderman, M.-A. Lea and M.A. Hindell

8. Glider-based estimates of Antarctic krill in Bransfield Strait, and the West shelf off Livingston Island, Antarctica

   -December 2018 and mid-March 2019. We compare mean biomass density (g m-2) estimates derived from gliders to ... over 13 years of ship surveys. On the west shelf of Livingston Island, glider-based biomass densities ...

   Meeting Document : WG-EMM-2019/13 : Auteur(s): C. Reiss, A. Cossio, G. Cutter, J. Walsh and G. Watters

9. Competition-induced starvation drives large-scale population cycles in Antarctic krill

   Abstract:  Antarctic krill (Euphausia superba)—one of the most abundant animal species on Earth ... —exhibits a five to six year population cycle, with oscillations in biomass exceeding one order of magnitude ...

   Meeting Document : WG-EMM-18/P05 : Auteur(s): A.B. Ryabov, A.M. de Roos, B. Meyer, S. Kawaguchi and B. Blasius

10. Exploratory analysis of acoustic data from the Ross Sea

    could be compared with longline catches. Each ‘line’ recording was between 20 and 50 min long ... January 2003, and the occurrence of a double bottom echo caused by too high a ping rate from 23–30 January ... . Two types of pelagic layers were present in most acoustic recordings: a dense shallow layer between 30 ...

    Meeting Document : WG-FSA-SAM 03/9 : Auteur(s): R.L. O’Driscoll and G.J. Macaulay (New Zealand)

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