Résultats de la recherche

1. CONVENORS’ REPORT OF THE WG-IMAF WORKSHOP

   , Australia on 10th October 2008 to review the future of the ad hoc WG-IMAF. The workshop briefly reviewed the ... history of ad hoc WG-IMAF and considered the current work programme of CCAMLR with respect to the current ... and future role of ad hoc WG-IMAF. The workshop briefly considered future scenarios under which it ... should continue to focus on the direct impacts of fishing and marine debris on seabirds and marine ...

   Meeting Document : WG-FSA-08/65 : Auteur(s): K. Rivera and N. Smith (Co-conveners of ad hoc WG-IMAF)

2. Indices of prey availability near the Seal Island CEMP site: 1990 through 1996

   Abstract:  Four indices of prey availability are calculated for prey surveys conducted in the ... vicinity of the Seal Island CEMP site during the austral summers of 1990-96. The indices are measures of ... AMLR surveys each year were sub-sampled to include the foraging range of predators breeding at Seal ... Island. The average depth of the prey field and its average distance from Seal Island were positively ...

   Meeting Document : WG-EMM-96/22 : Auteur(s): Hewitt, R.P., Demer, D.A., Watters, G.

3. Gentoo penguin Pygoscelis papua diet as an indicator of planktonic availability in the Kerguelen Islands

   Abstract:  Since penguins rely on the main planktonic resources of the Southern Ocean, knowledge ... of their diet may be used for monitoring these resources. During winter and spring of 1987 and 1989 ... , we investigated the composition of the diet of gentoo penguins, Pygoscelis papua, in relation to ... changes in the availability of two prey species, Euphausia vallentini and Themisto gaudichaudii, sampled ...

   Meeting Document : WG-Joint-94/11 : Auteur(s): C.A. Bost, P. Koubbi, F. Genevois, L. Ruchon and V. Ridoux (France)

4. Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and South Orkneys

   Abstract:  Zones of 20 km width are defined around selected colonies of penguins distributed ... around the coasts of the South Shetland and South Orkney Islands. Krill catches in these zones are shown ... , probably as a result of more variable hydrographic conditions. About 50% of the catch in Subarea 48.1 from ... December to March was taken within 40 km of the coast, and 90% within 80 km in all years 1988-1990. In 1987 ...

   Meeting Document : WG-KRILL-92/19 : Auteur(s): D.J. Agnew (Secretariat)

5. Selectivity of standard polish commercial trawl codends on Antarctic fishing grounds

   = 100 mm, made of double twines with a thickness of 4.2 mm. The studies covered 6 major fish species. 1 ... during trawling, although the effectiveness of this process- especially in the latter case- is not ... tendency to pass through meshes of the codend than Antarctic icefish and bumphead notothenia. 3. The ... solution to the problem of ensuring selectivity of codends at a sufficiently good level seems possible as a ...

   Meeting Document : SC-CAMLR-VII/BG/11 : Auteur(s): J. Zaucha (Poland)

6. Identification of Pleuragramma antarctica larvae in the Ross Sea via mitochondrial DNA

   Abstract:  Research into the early life stages of Pleuragramma antarctica is essential to ... understanding how oceanographic variation will impact spatial distributions over time. The recent findings of ... , length and growth data for larvae found in the western and eastern Ross Sea during the austral summer of ... genomic DNA from a sample of these larvae and, using fish universal primers, amplified part of the 16S ...

   Meeting Document : WG-FSA-15/61 : Auteur(s): J.A. Caccavo (Italy), C. Brooks (USA), L. Zane (Italy) and J.R. Ashford (USA)

7. Proposal for an acoustic krill biomass survey in CCAMLR Subarea 48.1 in relation to the hydrological environment and in conjunction with carbon cycling and temperature adaptation experiments of krill and salps

   Abstract:  As part of the German contribution to Convention for the Conservation of Antarctic ... CCAMLR division 48.1 during April 2018. The survey will be part of a larger research cruise (PS112 ... ) investigating the role of krill and salps in Southern Ocean carbon cycling and the temperature adaptation ... capacities of both species in the context of climate change. Acoustic survey and physiological experiments ...

   Meeting Document : WG-EMM-17/39 : Auteur(s): B. Meyer, L. Suberg, S. Fielding, O.R. Godø and C. Reiss

8. The random stratified trawl survey to estimate the abundance of Dissostichus eleginoides and Champsocephalus gunnari in the waters surrounding Heard Island (Division 58.5.2) for 2017

   Abstract:  The annual random stratified trawl survey (RSTS) of 2017 at HIMI was conducted during ... April, with the completion of 163 stations. The survey has been conducted on the FV Atlas Cove since ... 2015. Sampling protocols such as the design and the duration of the hauls were similar to recent ... surveys, but with a new set of randomly selected station points. The unstratified density of Dissostichus ...

   Meeting Document : WG-FSA-17/14 Rev. 1 : Auteur(s): G.B. Nowara, T.D. Lamb and P. Ziegler

9. Integrated environment–prey–predator interactions off South Georgia: implications for management of fisheries

   Abstract:  The oceanography of the South Georgia region is principally that of the Southern Ocean ... rather than the South Atlantic. A combination of factors, including advection, local bathymetry and high ... local productivity, leads to relatively large concentrations of krill (Euphausia superba) in the region ... and this is a food source for large populations of penguins and seals that breed at South Georgia. A ...

   Meeting Document : WG-EMM-01/27 : Auteur(s): I.L. Boyd (United Kingdom)

10. Factors affecting the number and mortality of seabirds attending trawlers and longliners in the Kerguelen area

    Abstract:  The factors affecting the number and the mortality of seabirds attending long-liners ... ), based on observations carried out onboard by dedicated observers. Twenty-four species of seabirds were ... mainly according to the year, the cloud cover and the presence of offal for long-liners. The dumping of ... offal increased the numbers of birds attending the vessel, especially when offals can be handled easily ...

    Meeting Document : WG-FSA-99/26 : Auteur(s): H. Weimerskirch, D. Capdeville and G. Duhamel (France)

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