Résultats de la recherche

1. Coastal weather drives foraging behaviour of chinstrap penguins, Pygoscelis antarctica

   the ecosystem in an adaptive framework for sustainably managing krill catch levels, performance ... indices of krill predators have been proposed as a proxy for krill abundance.  However, there are several ... context, our study capitalises on the occurrence of an unexpected El Niño event to characterise how ... that penguin foraging behaviour is modified by scale-dependent processes, which if not accounted for ...

   Meeting Document : WG-EMM-18/P14 : Auteur(s): A.D. Lowther, P. Trathan, A. Tarroux, C. Lydersen and K.M. Kovacs

2. ANNUAL CHANGES IN SPECIES COMPOSITION AND ABUNDANCE OF BY-CATCH FISH COLLECTED BY JAPANESE KRILL SCIENTIFIC OBSERVERS IN THE NORTH OF SOUTH GEORGIA (CCAMLR SUBAREA 48.3), DURING AUSTRAL WINTER FROM 2002 TO 2008

   , Lepidonotothen larseni and Champsocephalus gunnari, were recorded in every year from 2002 to 2008, and also the ... around South Georgia. The length frequency distribution of C. gunnari varied with years and may indicate ... the increase in size in recent years. Electrona antarctica was not a major component of the recent ...

   Meeting Document : WG-EMM-11/40 : Auteur(s): T. Iwami, K. Taki and M. Kiyota (Japan)

3. MULTIPLE TIME SCALES OF VARIABILITY IN THE KRILL POPULATION AT SOUTH GEORGIA

   empirically derived estimates of both the magnitude and timing of recruitment in each year showed the greatest ... abundance was highest during the middle of the summer in 3 years and in the late period in 2 years; in the ...

   Meeting Document : WG-EMM-08/48 : Auteur(s): K. Reid, J. Watkins, E. Murphy, P. Trathan, S. Fielding and P. Enderlein (United Kingdom)

4. The state of exploited fish stocks in the Atlantic sector of the Southern Ocean

   first peak years 1969-71 which yielded about 500,000 tonnes in 2 seasons around South Georgia. Since ... over a period of 10 years. Stock size of C. gunnari around South Georgia is largely dependent on the ...

   Meeting Document : SC-CAMLR-VIII/BG/18 : Auteur(s): Delegation of Federal Republic of Germany

5. Development of a fine-scale model of land-based predator foraging demands in the Antarctic

   for a number of reasons. An alternative method of calculating an index of fishery-predator interaction ...

   Meeting Document : WG-Joint-94/08 : Auteur(s): D.J. Agnew and G. Phegan (Secretariat)

6. Estimating density and biomass of Antarctic krill around South Sheltland Islands using the 2-dB difference method

   estimated using an acoustics survey. Acoustic data were collected with 38 and 120 kHz from April 13 to 24 in ... integration (SHAPES module within that software for swarm identification) based on data from a transect-based ... in 2016 than those in 2017. Author(s):  S.-G. Choi, K. Lee and D. An Title:  Estimating density and ... responsibility for releasing documents:  Korea, Republic of ...

   Meeting Document : WG-EMM-17/08 : Auteur(s): S.-G. Choi, K. Lee and D. An

7. New Antarctic deep-sea weird leech (Hirudinida: Piscicolidae): morphological features and phylogenetic relationships

   tubercles on the venter and dorsal segmental tubercles, an uncommon appearance of its anterior sucker with ... earlike edges and an inner membrane around the mouthpore, well-developed musculature and a unique ... attributed, in part, to temporary associations of A. shandikovi n. sp. with its fish hosts and a need for ... Consent:  No Delegation responsibility for releasing documents:  Ukraine ...

   Meeting Document : WG-FSA-18/P01 : Auteur(s): A. Utevsky and S. Utevsky

8. On possibility of using acoustic method to improve quality of Champsocephalus gunnari biomass estimates in Subarea 48.3

   Abstract:  An attempt has been made to study icefish as an object of acoustic survey basing on the ... obtained from the catches by midwater trawl to those estimated with TS in situ measurements for fish ... of improving Ch.gunnari stock state estimation could be an application of acoustic method to evaluate ...

   Meeting Document : WG-FSA-00/31 : Auteur(s): S. Kasatkina (Russia)

9. Address given to citizen’s marine summit, Japan By Dr I. Everson

   Abstract:  The main aims of CCAMLR are reviewed in an essay which discusses the advances in the ... requirements of science to provide information for rational management. It is concluded that co-operation is ... it would be improved by an increased spirit of trust between the various parties. Author(s ...

   Meeting Document : CCAMLR-XII/BG/11 : Auteur(s): Delegation of United Kingdom

10. Distributions and predator-prey interactions of macaroni penguins, Antarctic fur seals, and Antarctic krill near Bird Island, South Georgia

    factored out, we were able to demonstrate an additional influence of Antarctic krill abundance at ... measurement scales between 10 and 100 km for Antarctic fur seals and for macaroni penguins at the scale of 70 ... to 100 km. Water depth was an important correlate of Antarctic krill and Antarctic fur seal ... macaroni penguins were concentrating their foraging for krill in the vicinity of the shelf-break. Author(s ...

    Meeting Document : WG-CEMP-93/12 : Auteur(s): G.L. Hunt, Jr (USA), D. Heinemann (USA) and I. Everson (United Kingdom)

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