Resultados de la búsqueda

1. Results from the random stratified trawl surveys to estimate distribution and abundance of Dissostichus eleginoides and Champsocephalus gunnari in the Heard Island region (Division 58.5.2) for 2010 and 2011

   the average catch for the previous four years (2006-2009).  Catches of C. gunnari were very low, with ... commenced in 1997. An earlier survey in April 2010 was not completed, but valid hauls from this, as well as ... information on abundance. Catches of D. eleginoides were at half or lower than in surveys from both years than ... the average. Macrourid catches have been stable over recent years, with a fall in 2011. Skate catches ...

   Meeting Document : WG-FSA-11/23 : Autor(es): G.B. Nowara, S.G. Candy and T. Lamb (Australia)

2. Climate change and zooplankton dominance in the Antarctic marine ecosystem: implications for the food web

   has been warming over the past 40 years with an associated decreased frequency of winters with ... population dynamics of salps (Salpa thompsoni). Strong krill recruitment success there follows years of ... sea-ice. An order of magnitude decrease of krill population size, increased incidence of massive salp ... years suggests that the food web may be affected by climate change. The 1994/95 austral summer season ...

   Meeting Document : WG-EMM-96/21 : Autor(es): Siegel, V., Fraser, W., Trivelpiece, S., Holm-Hansen, O., Loeb, V., Hewitt, R., Trivelpiece, W.

3. The distribution pattern and fishery for the Antarctic krill (Euphausia superba) off the Wilkes Land and Balleny Islands (with notes on the application of CPUE data as indices of krill abundance)

   °- 150° E) are likely to be. an area of regular occurence of krill concentrations, probably the frequency ... captains, they are of limited value for the assesment of the conditions of concentrations when the vessel ... , I.A. Zhigalov (USSR) Title:  The distribution pattern and fishery for the Antarctic krill (Euphausia ...

   Meeting Document : WG-KRILL-90/16 : Autor(es): V.N. Dolzhenkov, E.A. Kovalev, V.A. Spiridonov, V.P. Timonin, I.A. Zhigalov (USSR)

4. Fatty acid signature analysis from the milk of Antarctic fur seals and southern elephant seals from South Georgia: implications for diet determination

   fur seals (Arctocephalus gazella) in 3 consecutive years, from 1991- 1993 (n=72) and from Southern ... acids 16:4 n1, 18:2 n6, 18:4 n3, 18:4 n1 and 20:5 n3 and by higher levels of 18:0, 18:1 n9/ n11 (i.e. 18 ... :1 n9 co- eluting with 18:1 n11) and 20:1 n9. Fatty acid signatures from the milk of Antarctic fur ... diet for Southern elephant seals. Author(s):  D.J. Brown, I.L. Boyd, G.C. Cripps and P.J. Butler ...

   Meeting Document : WG-EMM-99/44 : Autor(es): D.J. Brown, I.L. Boyd, G.C. Cripps and P.J. Butler (United Kingdom)

5. Revision of Conservation Measure 91-01 (2000), Annex 91-01/A ‘Information to be included in Management Plans for CEMP sites’

   ). These guidelines provided an excellent framework for map production and were used as a starting point ... Abstract:  At the 2003 meeting of the Commission, the Terms of Reference (TOR) for the Advisory ... was directed to the intersessional work of the Subgroup, was TOR (ii) “to revise and keep under review ... , as appropriate, guidelines for the production of maps of protected areas relevant to CCAMLR”. The ...

   Meeting Document : WG-EMM-04/19 : Autor(es): Chair, Subgroup on Protected Areas

6. Acquiring a ‘base datum of normality’ for a marine ecosystem: the Ross Sea, Antarctica

   oceans the systems used for understanding ecological processes and fishery effects all have lacked ... significant, natural top-down forcing for such a long time that it is a concept rarely considered by ... pelagic and neritic marine ecosystems is reviewed with concrete evidence given for its existence in the ... current functioning of the RSShelfE. In spite of this unique evidence for the Antarctic region, much ...

   Meeting Document : WG-EMM-04/20 : Autor(es): D. Ainley (USA)

7. Method for rapidly assessing spatial scale of interactions of fishing gear with habitats and Antarctic marine living resources

   overall process for reporting on interactions of fishing with ecological features, (ii) an automated ... process for determining boundaries of independent patches of each class of an ecological feature, (iii) a ... the potential impacts on dependent and related species for proposed exploratory fisheries and ... requested working groups consider how to report on these issues, which also form part of the review ...

   Meeting Document : WG-FSA-15/62 Rev. 1 : Autor(es): A. Constable, M. Sumner, J. Melbourne-Thomas and D. Welsford (Australia)

8. Research plan for toothfish in Divisions 58.4.4a and 58.4.4b by Shinsei Maru No. 3 in 2010/11

   Maru No. 3 to be conducted in April-June 2011. This is the second year of the survey of the 3-5 years ... . In Division 58.4.4 a & b, we submit this research plan for toothfish in the Division by Shinsei ... first survey conducted in 2009/10 season, when total sample size for Dissostichus spp. Was allowed as ... 60,000 kg. The research hauls are allocated on 10-minute latitude x 20-minute longitude grid points ...

   Meeting Document : WG-SAM-10/15 : Autor(es): Delegation of Japan

9. Temporal scales of foraging in a marine predator: implications for interpreting the distribution of prey

   the surface, the time taken for a fur seal to locate a new patch after leaving an old one is an ... km) represented by short (5 rain) travel durations. In a study lasting 5 years, the distributions of ... travel durations between bouts of feeding changed between years. These changes suggested either that the ... structure and/or the spatial distribution of krill swarms varied between years. The behavior of fur seals ...

   Meeting Document : WG-EMM-95/23 : Autor(es): Boyd, I.L.

10. Consumption estimates for male Antarctic fur seals at the South Orkney Islands during the post mating migration

    South Georgia. Using a combination of published and BAS data we highlight the potential importance of ... consumption of approximately 86,500 tonnes. This is very likely an underestimate as it is based on a census of ... for the need of male fur seals to recover condition during this time after fasting during the mating ... Title:  Consumption estimates for male Antarctic fur seals at the South Orkney Islands during the post ...

    Meeting Document : WG-EMM-18/10 : Autor(es): I. Staniland and S. Hill

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