Résultats de la recherche

1. A revised assessment of the impact of the krill fishery on penguins in the South Shetlands

   krill (Euphausia superba) fishery and penguins (WG-Krill-93/7). Main fishing areas were confined to the ... with areas of high krill abundance. The overlap between trawling depth and foraging dive depth of ... penguins was also insignificant. Furthermore, less similarity between krill caught by trawlers and those ... fishery and penguins. Krill biomass was estimated to be as large as 200-1500 xl03 tonnes within the ...

   Meeting Document : WG-Joint-94/17 : Auteur(s): T. Ichii, M. Naganobu and T. Ogishima (Japan)

2. Krill consumption by crabeater seals in CCAMLR Divisions 58.4.1 and 58.4.2

   Abstract:  As a contribution to the work program of WG-EMM-STAPP to estimate krill consumption by ... predators, this paper presents estimates of krill consumption by crabeater seals off East Antarctica between ... 64ºE-150ºE, which includes all of Division 58.4.1 and part of Division 58.4.2. Krill consumption by ... . This represents approximately 20% of the krill biomass estimated from acoustic surveys. Author(s):  C ...

   Meeting Document : WG-EMM-16/66 : Auteur(s): C. Southwell, J. Forcada, L. Emmerson, A. Constable, S. Kawaguchi and P. Trathan

3. Distribution and size-age composition of Antarctic krill in the South Orkney Islands region (CCAMLR Subarea 48.2)

   Abstract:  This paper describes distribution and size-age composition of Antarctic krill ... /2009 and 2009/2010 seasons. All age cohorts of krill passed spawning during the season 2008/2009, while ... in anomalous cold 2009/2010 season significant proportion of krill of cohort 2+ skipped spawning ... . Individuals of Antarctic krill in age 1+ were absent in catches in both 2008/2009 and 2009/2010 seasons ...

   Meeting Document : WG-EMM-10/16 : Auteur(s): D.O. Sologub and A.V. Remeslo (Russia)

4. 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

5. CPUEs and body length of Antarctic krill during the 1999/2000 season in Area 48

   Abstract:  Four Japanese krill fishing vessels operated in Area 48 during the 1999/2000 split year ... . Trawling positions, CPUEs and body length of Antarctic krill during the period is described. The krill ... the possibility of intra-annual variability of two krill stocks (Antarctic Peninsula and Weddell Sea ... krill during the 1999/2000 season in Area 48 Approval:  Approved ...

   Meeting Document : WG-EMM-01/36 : Auteur(s): S. Kawaguchi and M. Naganobu (Japan)

6. The integrated krill assessment model for Subarea 48.1 with future catches meeting alternative decision rules

   Abstract:  Model results and diagnostics for the integrated assessment model for krill in Subarea ... 48.1 are summarized. Alternative potential decision rules based on the distributions of krill spawning ... , and WG-FSA in a number of papers since 2011. The assessment model for krill in Subarea 48.1 is offered ... as a tool for CCAMLR to use in managing the krill fishery in Subarea 48.1. Author(s):  D. Kinzey, G.M ...

   Meeting Document : WG-SAM-16/36 Rev. 1 : Auteur(s): D. Kinzey, G.M. Watters and C.S. Reiss

7. Swarm characteristics of Antarctic krill Euphausia superba relative to the proximity of land during summer in the Scotia Sea

   swarming characteristics of Antarctic krill across the Scotia Sea in January and February 2003. Krill ... zone compared to <80 m 2 further offshore. The packing concentration of krill within inshore swarms ... . The highest median number of swarms per km and krill acoustic biomass per km was found in the 50 to ... marginally deeper in the night in offshore regions. Krill are likely to move between inshore and offshore ...

   Meeting Document : WG-EMM-10/P09 : Auteur(s): T. Klevjer, G.A. Tarling and S. Fielding

8. Potential climate change effects on the habitat of Antarctic krill

   resource and a major prey item for many fish, birds and mammals in the Southern Ocean. The fishery and the ... Abstract:  Antarctic krill is an obligate cold water species, an increasingly important fishery ... used a statistical model linking Antarctic krill growth to temperature and chlorophyll concentration to ... assess the influence of projected warming on Antarctic krill habitat quality. The results divide the ...

   Meeting Document : WG-EMM-13/20 : Auteur(s): S.L. Hill, T. Phillips and A. Atkinson (United Kingdom)

9. Simulating nursery areas for Antarctic krill along the western Antarctic Peninsula with relevance for the Domain 1 MPA Planning process

   Abstract:  Antarctic krill (Euphausia superba) is a key species and a dominant grazer in the ... early larval stages of Antarctic krill (the descent-ascent cycle) is largely controlled by temperature ... favorable nursery areas for Antarctic krill and assess how environmental conditions (stronger winds ... , temperature-dependent model of the descent-ascent cycle of Antarctic krill embryos and larvae that was forced ...

   Meeting Document : SC-CAMLR-XXXVI/BG/12 : Auteur(s): Delegations of Argentina and Chile

10. Krill biomass and density distribution in February–March 2002 in Subarea 48.3

    Abstract:  Presented are the results of krill acoustic survey carried out by Russian RV Atlantida ... February 14 to March 5, 2002. Average krill density in the survey area was estimated at 45.45 g/m2 and ... total biomass at 1,898,492 ton. The analysis of krill aggregation distribution was made for ... feeding on krill in the area of the South Georgia western extremity where main feeding grounds serving ...

    Meeting Document : WG-EMM-03/30 : Auteur(s): S.M. Kasatkina and A.P. Malyshko (Russia)

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