Résultats de la recherche

1. Diel vertical distribution of Antarctic krill around the South Shetland Islands in February 2019 and its potential effect on biomass estimation

   Abstract:  To address the potential effect of DVM behavior on krill biomass estimates, diel ... vertical distribution of krill swarms around the South Shetland Islands in Subarea 48.1 were analyzed based ... survey. Results show that more krill swarms were found in shallower depth at night than during daytime ... likely underestimate the krill density due to the shallow distribution pattern of the animal, which may ...

   Meeting Document : SG-ASAM-2019/05 : Auteur(s): X. Wang, X. Yu, J. Zhang and X. Zhao

2. RESEARCH PLAN AND RESULTS OF PRELIMINARY OBSERVATION ABOUT THE POSSIBILITY OF ANTARCTIC KRILL ESCAPEMENT FROM A TRAWL NET

   Abstract:  We made a survey plan to observe krill escapement, attached an underwater video camera ... krill passage through the rope and netting parts of the trawl net. Preliminary examination of video ... images obtained via satellite-linked transmission indicated very low incidence of krill escapement from ... AND RESULTS OF PRELIMINARY OBSERVATION ABOUT THE POSSIBILITY OF ANTARCTIC KRILL ESCAPEMENT FROM A ...

   Meeting Document : WG-EMM-11/36 : Auteur(s): K. Fujita and S. Hasegawa (Japan)

3. Developing conceptual models of elements of the Antarctic marine ecosystem: Antarctic krill (Euphausia superba)

   Abstract:  A simple generalised conceptual life history model for Antarctic krill is developed ... relationships between Antarctic krill and its biotic and abiotic environment. Krill life history is thus viewed ... ecosystem: Antarctic krill (Euphausia superba) Approval:  Approved ...

   Meeting Document : WG-EMM-04/50 : Auteur(s): S. Nicol and S. Kawaguchi (Australia)

4. Adélie penguin foraging behaviour and breeding success in seasons of contrasting krill availability (Mawson Coast, Antarctica)

   penguins at the Béchervaise Island CEMP site were compared between seasons of contrasting krill ... availability. Krill biomass estimates were derived from shipboard surveys carried out within the penguins ... ’ normal foraging range during the 2001 and 2003 breeding seasons. More than three times as much krill was ... of the krill survey. Chick mortality peaked during this period also. The findings illustrate the ...

   Meeting Document : WG-EMM-03/44 : Auteur(s): J. Clarke, M. Tierney, S. Candy, S. Nicol, L. Irvine and K. Kerry (Australia)

5. Krill population dynamics in the Scotia Sea: variability in growth and mortality within a single population

   Abstract:  Understanding the demographics of Antarctic krill over large scales may be complicated ... length–frequency distribution of krill in the Scotia Sea using samples from the South 13 Shetland Islands ... of krill is represented in both populations simultaneously. It appears 19 that first-year krill are ... krill in the Antarctic occurs in a 21 relatively small number of regional fisheries within the Scotia ...

   Meeting Document : WG-EMM-02/16 : Auteur(s): K. Reid, E.J. Murphy (United Kingdom), V. Loeb and R.P. Hewitt (USA)

6. Acoustic data for the 1994 Krill Flux Workshop

   yield mean krill density along an arbitrary section through the survey area, giving results compatible ... with the specifications given in wg-krill-93 Appendix D. A program written to calculate such sections ... compatible vectors of krill density and current speed along specified sections Author(s):  Secretariat Title ... :  Acoustic data for the 1994 Krill Flux Workshop Approval:  Approved ...

   Meeting Document : WS-Flux-94/04 : Auteur(s): Secretariat

7. Detection of growth zones in the eyestalk of the Antarctic krill Euphausia superba (Dana, 1852) (Euphausiacea)

   Abstract:  No reliable measures of age currently exist in the Antarctic krill, Euphausia superba ... for identifying growth zones. The krill was collected at the South Orkney Islands during January and ... the number of zones and body length. Further knowledge about molting process in the Antarctic krill ... and a verification of the ageing procedure from krill with a known age is needed before the number of ...

   Meeting Document : WG-EMM-16/P02 : Auteur(s): B.A. Krafft, M. Kvalsund, G. Søvik, E. Farestveit and A.-L. Agnalt

8. Growth and shrinkage in Antarctic krill Euphausia superba is sex-dependent

   Abstract:  The ability of Antarctic krill Euphausia superba Dana to withstand the overwintering ... period is critical to their success. Laboratory evidence suggests that krill may shrink in body length ... during this time in response to the low availability of food. Nevertheless, verification that krill can ... sources of winter krill population data is from commercial vessels. We examined length-frequency data of ...

   Meeting Document : WG-EMM-16/P04 : Auteur(s): G. Tarling, S. Hill, H. Peat, S. Fielding, C. Reiss and A. Atkinson

9. 2007 krill biomass update of the South Shetland and Elephant Island regions of Area 48

   Abstract:  Antarctic krill biomass trends in the South Shetland Island region of Area 48 are ... krill delineation model are used to derive krill biomass. This paper provides updated (through summer ... from Author(s):  C.S. Reiss and A.M. Cossio (USA) Title:  2007 krill biomass update of the South ...

   Meeting Document : WG-EMM-07/31 : Auteur(s): C.S. Reiss and A.M. Cossio (USA)

10. Preliminary results of a survey on krill, environment and predators in CCAMLR Subarea 88.1 carried out in December 2003 and in January 2004 (Project 8.4)

    88.1 (Ross Sea): acoustic survey on two krill species (E. superba and E. crystallorophias), net ... samplings on krill and other pelagic species, visual samplings on krill predators, CTD and XBT samplings on ... . Catalano (Italy) Title:  Preliminary results of a survey on krill, environment and predators in CCAMLR ...

    Meeting Document : WG-EMM-04/71 : Auteur(s): M. Azzali, A. Russo, A. Sala, A. de Felice, B. Catalano (Italy)

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