Résultats de la recherche

1. Spatial distribution of foraging by female Antarctic fur seals

   krill. This suggested that, in extreme cases and assuming that krill influx is limited, female fur seals ... could eat most of the krill present in some regions where they forage intensively. However, mean ... consumption was about one-tenth of the mean density of krill. Author(s):  I.L. Boyd, I.J. Staniland and A.R ...

   Meeting Document : WG-EMM-01/26 : Auteur(s): I.L. Boyd, I.J. Staniland and A.R. Martin (United Kingdom)

2. CLIMATICALLY DRIVEN FLUCTUATIONS IN SOUTHERN OCEAN ECOSYSTEMS

   Antarctic krill. This oceanographically driven variation in krill population dynamics and abundance in turn ... affects the breeding success of seabird and marine mammal predators that depend on krill as food. Such ... krill across the Scotia Sea by the end of the century. Author(s):  E.J. Murphy, P.N. Trathan, J.L ...

   Meeting Document : WG-EMM-08/P02 : Auteur(s): E.J. Murphy, P.N. Trathan, J.L. Watkins, K. Reid, M.P. Meredith, J. Forcada, S.E. Thorpe, N.M. Johnston and P. Rothery

3. Temporal changes in sighting density indices of baleen whales in CCAMLR Subareas 48.1 and 48.2 based on three circumpolar sighting surveys

   krill-eater baleen whales in Subareas 48.1 and 48.2. This paper was prepared in response to a suggestion ... of importance for management of krill under the FBM. The first is the development of the stock ... abundance of whales in relevant subareas for krill management, and the second is on the concentration of ... whales in the krill fishing/top predators feeding areas, and the impact on land-based predators. Author(s ...

   Meeting Document : WG-EMM-16/26 : Auteur(s): L.A. Pastene and T. Hakamada

4. Consideration of major issues in ecosystem monitoring and management

   Krill Yield Model. Smaller scale interactions centre around three main categories, the availability of ... krill and variation in vital rates of the dependent species and the overlap between commercial fishing ... within which to investigate krill availability. Vital rates can be investigated directly and also with ...

   Meeting Document : WG-EMM-01/73 : Auteur(s): I. Everson (United Kingdom)

5. ACOUSTIC IDENTIFICATION AND SIZE ESTIMATION OF EUPHAUSIIDS

   Abstract:  Fishery for krill is a major economical activity in the Antarctic Ocean. The increased ... . Major acoustic activities were to acoustically identify krill and estimate specimen size, investigate ... . Krill were identified from the relative frequency response of a 6-frequency hull-mounted echo-sounder ...

   Meeting Document : SG-ASAM-09/08 : Auteur(s): R. Korneliussen and G. Skaret (Norway)

6. Food and feeding of two Channichthyids, Champsocephalus gunnari and Chaenocephalus aceratus, around Elephant Island and in the South Shetland Islands (Subarea 48.1) in 2001 and 2002

   ‘Polarstern’. C. gunnari fed almost exclusively on krill (Euphausia superba) in both years. C. aceratus fed on ... krill and other crustaceans as well as on fish. C. aceratus smaller than 30 – 35 cm relied primarily on ... krill and other crustaceans while larger fish preyed predominantly on fish. They fed mainly on locally ...

   Meeting Document : WG-FSA-02/73 Rev. 1 : Auteur(s): H. Flores, K.-H. Kock, S. Wilhelms (Germany) and C.D. Jones (USA)

7. THE APPLICATION OF CONSERVATION MEASURE 21-03 (NOTIFICATIONS OF INTENT TO PARTICIPATE IN A FISHERY FOR EUPHAUSIA SUPERBA) TO CONTRACTING PARTIES

   precautionary development of the krill fishery as it continues to expand. Currently Contracting Parties as well ... as Members are able to participate in krill fisheries. This is different to the approach taken by the ... the best regulation possible to achieve the orderly and precautionary development of the krill fishery ...

   Meeting Document : CCAMLR-XXVII/37 : Auteur(s): Delegation of Australia

8. Diet and trophic niche of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea, Antarctica

   Paraeuchaeta sp., with krill and fish having low IRI (IRI 2.2% and 5.6% overall). However, according to weight ... of prey in stomachs, fish (silverfish and lanternfish) and krill dominated diet overall (48% and 22 ... . By weight, krill identified to species level in silverfish stomachs were predominantly Euphausia ... ) and in the SW of the Ross Sea. Juvenile silverfish (SL 96-151 mm) consumed predominantly krill by ...

   Meeting Document : WG-EMM-12/54 : Auteur(s): M.H. Pinkerton, J. Forman, S.J. Bury, J. Brown, P. Horn and R.L. O’Driscoll (New Zealand)

9. A noise removal algorithm for acoustic data with strong interference based on post-processing techniques

   important way to estimate the distribution and relative abundance of Antarctic krill (Euphausia superba ... of the method was demonstrated by comparing the appearances of krill swarm echograms, the dB ... retained krill swarms were maintained in good geometrical shape and volume backscatter strength.   Author(s ...

   Meeting Document : SG-ASAM-15/02 : Auteur(s): X. Wang, X. Zhao and J. Zhang (People’s Republic of China)

10. Preliminary acoustic results from the New Zealand IPY-CAML survey of the Ross Sea region in February-March 2008

    Sea shelf was ice krill (Euphausia crystallorophias). Further north, over the slope and abyssal plain ... , acoustic marks were associated with myctophids (Electrona spp) and Antarctic krill (Euphausia superba ... ). Acoustic backscatter from both silverfish and krill marks increased with increasing frequency (i.e., was ... adults (118 000 t). Biomass estimates were also calculated for krill, with preliminary estimates (based ...

    Meeting Document : SG-ASAM-09/05 : Auteur(s): R. O’Driscoll, G. Macaulay, S. Gauthier, M. Pinkerton and S. Hanchet (New Zealand)

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