Résultats de la recherche

1. Flexible foraging strategies of gentoo penguins help buffer the impacts of inter-annual changes in prey availability

   varied over time; different dive depth-distributions were observed in each year. Nonetheless, chick ... Shetland Islands, Antarctica, over five years. Antarctic krill Euphausia superba was the primary diet item ... , and fish the secondary, though the importance of these items varied among years. Diving behavior also ... differences in prey availability by altering their foraging strategy among years. We suggest that this ...

   Meeting Document : WG-EMM-08/50 : Auteur(s): A.K. Miller and W.Z. Trivelpiece (USA)

2. Krill fishery report: 2012 update

   . In 2010/11, 13 vessels fished for krill in Area 48 and the total catch of krill was 180986 t; two ... have fished for krill in Area 48; one vessel is using the continuous fishing system. The total catch ... were fishing, at the time of preparing this report, and 935 t of krill has been reported so far for ... June. The forecast total catch of krill for this season ranges approximately from 108000 to 151000 t ...

   Meeting Document : WG-EMM-12/05 : Auteur(s): Secretariat

3. MaxEnt reconstructions of krill distribution and estimates of krill density from acoustic surveys at South Georgia 1996–2000

   of mean krill density within two survey boxes of dimensions 80 km x 100 km to the north east and ... approximately 0.5 km intervals along transect for each of the ten 80 km transects in each box, providing about ... probable krill density for each of the 32000 0.5 km x 0.5 km cells in each survey box, taking explicit ... densities for which the confidence limits are often narrower than for estimates based upon more conventional ...

   Meeting Document : WG-EMM-02/36 : Auteur(s): M.H. Wafy, A.S. Brierley, S.F. Gull and J.L. Watkins (United Kingdom)

4. Water mass distribution and circulation west of the Antarctic peninsula and including Bransfield Strait

   by 25 to 45%, which suggests an average annual entrainment rate for the west Antarctic Peninsula of ... 0.7 to 1.43 X 10-6 m s-1. The freshwater input needed to balance the salinity input from CDW is on the ...

   Meeting Document : WG-EMM-95/67 : Auteur(s): Smith, D.A., Lascara, C.M., Klinck, J.M., Hofmann, E.E.

5. Connectivity and population structure in Pleuragramma antarcticum along the west Antarctic Peninsula

   simulations using a circulation model. Differences in length distributions and maturity suggested two discrete ... Bay corresponding to the year class found during GLOBEC 2001 suggested a dominant cohort and no local ... of otolith chemistry are scheduled over the next year. Author(s):  J. Ashford, J. Ferguson, A ... preliminary data from sampling along the WAP on board the R/V Nathaniel B. Palmer, including initial ...

   Meeting Document : WG-FSA-10/16 : Auteur(s): J. Ashford, J. Ferguson, A. Piñones, J. Torres and W. Fraser

6. Otolith morphological analysis cannot distinguish Antarctic toothfish (Dissostichus mawsoni) stocks in the Southern Ocean

   Dissostichus mawsoni from 3 Subareas using two statistical methods. Stepwise discriminant analysis showed a ... Document Release Consent:  No Delegation responsibility for releasing documents:  China ...

   Meeting Document : WG-FSA-2019/59 : Auteur(s): L. Wei, G.P. Zhu, T. Okuda, S. Parker, I. Slypko and S. Somhlaba

7. Demersal longlines with integrated weight: a preliminary assessment of sink rates, fish catch success and operational effects

   sank instantly, reaching 1 m depth in 6-9 s whereas unweighted lines took >20 s to reach this depth ... /m added weight are recommended for testing in a subsequent trial to examine the effectiveness of IW ...

   Meeting Document : WG-FSA-02/22 : Auteur(s): G. Robertson (Australia), M. McNeill, B. King (New Zealand) and R. Kristensen (Norway)

8. Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Signy Island, South Orkney Islands 1997/98

   year. The prolonged presence of sea ice around the South Orkney Islands probably accounted for the low ... Island, South Orkney Islands are reported for the 1997/98 summer season. There were six sightings of ... net highlights the need for CCAMLR Members to take further steps to ensure that vessels are aware of ... bands at Bird Island was higher than in recent years and there was a decrease in the incidence of net ...

   Meeting Document : SC-CAMLR-XVII/BG/12 : Auteur(s): Delegation of the United Kingdom

9. Beached marine debris surveys and incidences of seabird/marine mammal entanglements and hydrocarbon soiling at Bird Island and King Edward Point, South Georgia, and Signy Island, South Orkneys, 2009/10

   previous years, and for the first time we also report data collected at King Edward Point, South Georgia ... Signy Island during 2009/10 were below the long-term mean for beached debris and entanglements but above ... the long-term mean for debris associated with most seabird species. Author(s):  Delegation of the ...

   Meeting Document : SC-CAMLR-XXIX/BG/10 : Auteur(s): Delegation of the United Kingdom

10. Coincidence between climate fluctuations and variability in the Antarctic krill (Euphausia superba) recruitment

    Drake Passage and krill recruitment variabiIlty. Years of high pressure gradients coincided with the ... years of good krill recruitment, and vice versa. Author(s):  Sasai, Y., Kutsuwada, K., Naganobu, M ...

    Meeting Document : WG-EMM-95/53 : Auteur(s): Sasai, Y., Kutsuwada, K., Naganobu, M.

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