Résultats de la recherche

1. Ecosystem conservation and the race to krill

   Abstract:  CCAMLR has been managing the krill fishery without sufficient measures needed to meet ... improvements in the management of Antarctic krill fisheries, including establishing feedback management ... procedures, requiring 100% scientific observer coverage on board krill vessels, and implementing further ... protective measures to prevent excessive concentration of krill fishing in coastal areas close to predator ...

   Meeting Document : CCAMLR-XXXIV/BG/28 Rev. 1 : Auteur(s): Submitted by ASOC

2. An illustrative management procedure for exploring dynamic feedback in krill catch limit allocations among small-scale management units

   subdivision of the precautionary catch limit for krill among 15 small-scale management units (SSMUs) in the ... subdivide the krill catch between SSMUs. Different MPs are then simulation tested with their performances ... reducing the abundances of predators (and krill) below certain levels, as well as the variability in future ... average krill catches per SSMU associated with each MP. The key assumption made here is that data will be ...

   Meeting Document : WG-EMM-06/28 : Auteur(s): É. Plagányi and D. Butterworth (South Africa)

3. Relationships between oceanographic environment and distribution of krill and baleen whales in the Ross Sea and adjacent waters, Antarctica in 2004/05

   geographical distribution of the main biological prey and predator populations such as krill including other ... below are MTEM-200 values).- Antarctic krill mainly distributed in the waters between 0 to-1℃ of MTEM ... extended in the waters less than-1℃ of the Shelf Water (SW) zone. Ice krill distributed in the waters ... . The interaction between distributions of krill and baleen whales with MTEM-200 could give quantitative ...

   Meeting Document : WG-EMM-08/31 : 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, T. Iwami and K. Ito (Japan)

4. Uncertainty in acoustic surveys of Antarctic krill

   Abstract:  Studied were four primary sources of uncertainty in krill density estimates from ... krill TS was then investigated through in situ measurements (Hewitt and Demer, 1991). The TS data ... krill TS estimates were conservatively estimated to be 0 dB and ±4.0 dB, respectively. The uncertainty ... studies indicated that scattering from S. thompsoni contributed to a positive bias in the krill density ...

   Meeting Document : WG-EMM-95/72 : Auteur(s): Demer, D.A.

5. Surface water masses, primary production, krill distribution and predator foraging in the vicinity of Elephant Island during the 1989-90 austral summer

   primary productivity, the distribution and demography of krill, and the foraging patterns of krill ... identified as the western end of the Weddell-Scotia Confluence. Krill abundance increased approximately 5 ... immigration from east of the study area. Krill sampled throughout the observation period were reproductively ... February. Krill composed 99% of the diet of chinstrap penguins and over 80% of the diet of fur seals ...

   Meeting Document : WG-CEMP-90/11 : Auteur(s): A.F. Amos, J.L. Bengtson, O. Holm-Hansen, V.J. Loeb, M.C. Macaulay and J.H. Wormuth (USA)

6. Report from a krill- focused survey with RV Kronprins Haakon and land-based predator work in Antarctica during 2018/19

   Abstract:  The primary objective for this krill research activity was twofold 1) to conduct a ... survey that provides updated estimates of the biomass and distribution of krill which are used in models ... high krill-density areas, contains state-of-the art methods and employs modern technology for the ... Planning Domain 1 encompasses the major krill fishing grounds. Thus, data supporting FBM are critical if ...

   Meeting Document : WG-EMM-2019/07 : Auteur(s): B. Krafft, K. Bakkeplass, T. Berge, M. Biuw, J. Erices, E. Jones, T. Knutsen, R. Kubilius, M. Kvalsund, U. Lindstrøm, G.J. Macaulay, A. Renner, A. Rey, H. Søiland, R. Wienerroither, H. Ahonen, J. Goto, N. Hoem, M. Huerta, J. Höfer, O. Iden, W. Jouanneau, L. Kruger, H. Liholt, A. Lowther, A. Makhado, M. Mestre, A. Narvestad, C. Oosthuisen, J. Rodrigues and R. Øyerhamn

7. Krill distribution patterns in the Atlantic sector of the Antarctic during the CCAMLR-2000 Survey

   the large scale krill biomass in the South Atlantic Sector of the Antarctic. Four vessels from Japan ... krill distribution showed three distinct geographical clusters of size frequency distributions. Small to ... medium sized juvenile and subadult krill mainly occurred east of the South Orkney Islands. Adult krill ... adult krill larger than 50 mm mean size was found to the north of cluster 2, but at the same time was ...

   Meeting Document : WG-EMM-00/6 Rev. 1 : Auteur(s): V. Siegel (Germany), S. Kawaguchi (Japan), F. Litvinov (Russia), V. Loeb (USA) and J. Watkins (United Kingdom)

8. JAPANESE SCIENTIFIC OBSERVER ACTIVITIES FOR KRILL FISHERY IN CCAMLR CONVENTION AREA FROM 2003/04 TO 2007/08 FISHING SEASONS

   observers onboard the commercial krill fishing vessel from 2003/04 to 2007/08 fishing seasons. Main fishing ... . The Japanese scientific observers are trained through an educational program on fishery, krill and ... the krill samples revealed the occurrence of black-spot disease in Antarctic krill and its relation to ... coverage to provide information for the management of fishery, krill resources and Antarctic ecosystem ...

   Meeting Document : WG-EMM-09/19 : Auteur(s): M. Kiyota and T. Iida (Japan)

9. Risk maps for Antarctic krill under projected Southern Ocean acidification

   Abstract:  The embryonic development of Antarctic krill (Euphausia superba) is sensitive to ... development even if the embryos are transferred to seawater with current levels of CO 2. Krill embryos appear ... the east (the Haakon VII Sea) are the highest risk areas for krill embryos.  The entire Southern Ocean ... to collapse of the krill population. This is the first report that explores the circumpolar impacts ...

   Meeting Document : WG-EMM-14/P06 : Auteur(s): S. Kawaguchi, A. Ishida, R. King, B. Raymond, N. Waller, A. Constable, S. Nicol, M. Wakit and A. Ishimatsu

10. Has krill fishing the potential to adversely affect recruitment in Antarctic notothenioid fishes?

    Abstract:  A few years after krill (Euphausia superba) fishing had started in 1972/73, it became ... known that early life stages of Antarctic fish are associated with krill aggregations and are subject to ... by-catch in fisheries targeting krill. The species composition of fish by-catch in krill fisheries is ... , the by-catch was substantial. Fish by-catch in krill fisheries has been discussed in WG-FSA since the ...

    Meeting Document : WG-FSA-14/66 : Auteur(s): K.-H. Kock (Germany) and C.D. Jones (USA)

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