Résultats de la recherche

1. Estimation of the fishery–krill–predator overlap

   fishery data, and a comparison between the three existing indices of fishery-krill-predator overlap used ... Abstract:  Work undertaken during the intersessional period has enabled better use of the krill ... resolution, resulted in lower overlap between the krill fishery and the krill predators, and lower values of ... –krill–predator overlap Approval:  Approved ...

   Meeting Document : WG-EMM-99/11 : Auteur(s): Secretariat

2. A sensitivity analysis of a simple krill individual-based model designed to investigate length-based recruitment indices

   commercial catches. These extremely valuable data may be used to monitor the state of harvested Krill ... -board Krill (Euphausia superba) fishing vessels measure the length of individual Krill sampled from ... individual-based model of krill population dynamics was subjected to a sensitivity analysis. Starting from a ... (Secretariat) Title:  A sensitivity analysis of a simple krill individual-based model designed to investigate ...

   Meeting Document : WG-EMM-13/23 : Auteur(s): S. Thanassekos and K. Reid (Secretariat)

3. NET-BASED VERIFICATION OF ACOUSTIC TECHNIQUES USED TO IDENTIFY ANTARCTIC KRILL

   Distorted-Wave Born Approximation (SDWBA) model using three frequency acoustic data and concurrent net hauls ... that were collected during two cruises to the South Georgia region in 1996. For each krill aggregation ... identification algorithms for krill: (i) ‘3 freq model’- using the SDWBA to set the acceptance windows for both ... model derived target id window only identified krill in 6 of the 16 nets correctly. The ‘2 freq 2-16 ...

   Meeting Document : WG-EMM-08/54 : Auteur(s): J. Watkins and S. Fielding (United Kingdom)

4. Analysis of trends in Japanese krill fishery, and its implication

   Abstract:  Haul by haul logbook data from the Japanese krill fishery from 1980/81 to 2003/04 ... suggest that krill fishery in South Orkney and South Georgia area are both operating around a critical ... :  Analysis of trends in Japanese krill fishery, and its implication Approval:  Approved ...

   Meeting Document : WG-EMM-04/52 : Auteur(s): S. Kawaguchi, S. Candy, S. Nicol (Australia), K. Taki and M. Naganobu (Japan)

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

   longer and brought back smaller meals. Fish (mostly Pleuragramma antarcticum) contributed significantly ... period. Data on meal mass and foraging trip duration were combined to provide an index of provisioning ... 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 ...

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

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

   narrower growth zones from the third zone and onwards compared with males. Data show that male subadult ... 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 ...

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

7. Modelling growth of Antarctic krill: growth trends with sex, length, season, and region

   to specific growth rate, was fitted to data from published constant-temperature rearing studies and ... Abstract:  Growth trends of Antarctic krill with sex, length, season and region using over 10 ... seasonal trend for each region. Smaller krill exhibited higher growth rates and a progressive decrease in ... , and suggested that wild krill show more rapid growth over a shorter growth period than it was ...

   Meeting Document : WG-EMM-05/29 : Auteur(s): S. Kawaguchi, S. Candy, R. King (Australia), M. Naganobu (Japan) and S. Nicol (Australia)

8. PRELIMINARY RESULTS FROM THE FIRST SURVEY SEASON OF ANTARCTIC KRILL AND APEX PREDATORS WITH THE COMMERCIAL FISHING VESSEL SAGA SEA IN THE SOUTH ORKNEY ISLANDS AREA 2011

   fishing vessel „Saga Sea‟. This report describes methodology, presents raw data and preliminary results ... survey each year for the next five years in the CCAMLR statistical Subarea 48.2 using the Norwegian krill ... OF ANTARCTIC KRILL AND APEX PREDATORS WITH THE COMMERCIAL FISHING VESSEL SAGA SEA IN THE SOUTH ORKNEY ...

   Meeting Document : WG-EMM-11/23 : Auteur(s): B.A. Krafft, G. Skaret and L. Calise (Norway)

9. Interaction between oceanography, krill and baleen whales in the Ross Sea and adjacent waters, Antarctica in 2004/05

   boundary of distributions of Antarctic krill and ice krill for biomass estimations using acoustic data in ... conditions, and the distribution of krill as prey and baleen whales as predators in the Ross Sea and its ... thermal conditions, krill and baleen whale distributions. The oceanography of the surface layer was ... distribution patterns of each species. Antarctic krill (Euphausia superb) mainly distributed in the Antarctic ...

   Meeting Document : WG-EMM-07/07 : Auteur(s): M. Naganobu, S. Nishiwaki, H. Yasuma, R. Matsukura, Y. Takao, K. Taki, T. Hayashi, Y. Watanabe, T. Yabuki, Y. Yoda, Y. Noiri, M. Kuga, K. Yoshikawa, N. Kokubun, H. Murase, K. Matsuoka and K. Ito (Japan)

10. Broadbandwidth total target strength measurements of Antarctic krill (Euphausia superba) from reverberation in a cavity

    Antarctic krill, thus reducing the uncertainty in biomass estimation using multi-frequency echo sounder data ... Abstract:  Total scattering cross-sections (st) of Antarctic krill, Euphausia superba, were ... strengths (??10log(??4?) t TTS), were measured from groups of 57 to 1169 krill (average standard length ... omnidirectional emitter into one of three glass carboys containing groups of krill swimming in 9.3, 19.3 or 45.9 l ...

    Meeting Document : WG-EMM-02/49 : Auteur(s): D.A. Demer and S. G. Conti (USA)

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