Résultats de la recherche

1. Modelling growth and reproduction of Antarctic krill: implications of spatial and temporal trends in temperature and food for ecosystem-based management of krill fisheries

   Abstract:  Errors in the growth model used in stock assessments of Antarctic krill, specifically ... higher rates of growth than occur in reality, could inadvertantly lead to over-exploitation of the krill ... population and cause impacts on krill predators.  We review the three classes of models available for ... modelling krill growth – the von Bertalanffy class, the moult-cycle class based on measures of the duration ...

   Meeting Document : WG-EMM-12/38 : Auteur(s): A.J. Constable and S. Kawaguchi (Australia)

2. Improving mechanistic understanding between larval krill, krill recruitment, and sea ice

   Abstract:  Antarctic Krill, Euphausia superba, is the key species of the Southern Ocean ecosystem ... . Earlier analysis suggested decrease in krill abundance by 50% since the mid 1970’s to early 2000’s in the ... -ice coverage. More recent studies suggest more complex and/or dynamic nature of krill population ... trajectory as well as its link with decadal climatic events. Krill population dynamics is thought to be ...

   Meeting Document : WG-EMM-18/07 : Auteur(s): B. Meyer and S. Kawaguchi

3. Modelling Movement of Antarctic Krill (MMAK): the importance of retention, dispersal and behaviour for krill distribution

   Abstract:  Effective management of the Antarctic krill (Euphausia superba, hereafter krill ... ) fishery requires an understanding of the controls on the distribution and abundance of krill ... .  Particularly important are the pathways and timescales of movement and retention affecting krill distribution ... the regional and local-scale processes that influence the distribution of krill in CCAMLR Area 48 ...

   Meeting Document : WG-EMM-17/31 : Auteur(s): S. Thorpe, E. Young and E. Murphy

4. Bridging the krill divide: understanding cross-sector objectives for krill fishing and conservation

   day workshop entitled “Understanding the objectives for krill fishing and conservation in the Scotia ... explore each sector’s objectives and information requirements for the krill‐based ecosystem and to ... identify constructive ways for the three sectors to work together. The issue of krill-fishing has ... krill fishery that minimises the risk of negative impacts on ecosystem health. Participants generally ...

   Meeting Document : SC-CAMLR-XXXIII/BG/34 : Auteur(s): United Kingdom, Norway, Chile, ASOC and ARK

5. Some aspects of the relation between Antarctic krill abundance and CPUE measures in the Japanese krill fishery

   Paper Title:  Some aspects of the relation between Antarctic krill abundance and CPUE measures in ... the Japanese krill fishery Abstract / Description:  The history of the Japanese krill fishery is ... catching “green” krill. These factors result in Catch-per-Day and Catch-per-Haul measures being unlikely to ... index krill abundance. During the high season, Catch-per-Towing-Time seems likely to index only within ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 109–125 : Auteur(s): Butterworth, D.S.

6. Some aspects of the relation between Antarctic krill abundance and CPUE measures in the Japanese krill fishery. (Component of SC-CAMLR-VI/BG/4)

   Abstract:  The history of the Japanese krill fishery is reviewed briefly. Important aspects of the ... quality considerations- in particular the increasing tendency to avoid catching "green” krill. These ... factors result in Catch-per-Day and Catch-per-Haul measures being unlikely to index krill abundance ... indexing the extent of the krill distribution through routine oceanographic monitoring merits attention. A ...

   Meeting Document : WS-KCPUE-89/03 : Auteur(s): D.S. Butterworth (South Africa)

7. Distribution of Antarctic krill concentrations exploited by Japanese krill trawlers and minke whates

   Abstract:  The distribution of krill (Euphausia superba) concentrations derived from Japanese ... krill fishing and minke whaling (Balaenoptera acutorostrata) data was investigated in relation to bottom ... pack-ice edge. When the ice-edge was at its southernmost limit (January- March), krill fishing data ... distribution. Krill harvesting areas in the vicinity of the shelf breaks were often coincident with ...

   Meeting Document : SC-CAMLR-VIII/BG/31 : Auteur(s): Delegation of Japan

8. Review of Russian investigations of krill escape through the meshes of commercial trawls: approaches to estimating gross removal at krill fishery

   Abstract:  In this study the review of Russian investigations of krill escapement through the ... of fine-meshed chafers) and analytical methods are presented. The main factors affected on krill ... mortality» assessment in krill fishery. It is suggested to use the models of probability-statistical theory ... understanding of the «escape mortality» process; obtaining standardized indices of krill mortality during one ...

   Meeting Document : WG-EMM-10/19 : Auteur(s): S.M. Kasatkina (Russia)

9. A comparison of gear selectivity among three fishing gears for Antarctic krill with notes on the demographic patterns and productivity of Antarctic krill during summer 2014

   Abstract:  Three different trawls were used to sample Antarctic krill for the determination of ... largest range of krill (15mm to 60mm), while the ENGEL trawl captured the narrowest (27 to 61), and the ... using fishing vessels if research gear cannot be accommodated. The patterns of krill length frequency ... showed that krill collected in Bransfield Strait and Elephant Island areas of the South Shetlands in ...

   Meeting Document : WG-EMM-14/37 : Auteur(s): C. Reiss (USA) and M. Espino Sanchez (Peru)

10. Krill Spill: An opportunistic approach to collecting penguin diet and krill length data

    opportunistic data collection methods as an alternate approach. Data on diet composition and krill length were ... obtained from collecting samples of ‘krill spill’, which comes from regurgitation during chick feeding. The ... krill length frequency of the krill spill sample was compared to data collected utilising the A8 ... alongside A8 monitoring efforts to ensure that krill spill samples accurately represent data collected using ...

    Meeting Document : WG-EMM-18/45 : Auteur(s): E. Grilly, M. Santos, K. Reid and A. Silvestro

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