Résultats de la recherche

1. Beach litter survey Signy Island, South Orkney Islands, 1992/93

   recovered fell by 80% and the number of items recovered by 83% over the three year survey period. At the ... and the total number of items recovered. For example, at Foca Cove, the total weight of debris ... show a very encouraging decline in the incidence of marine debris. However, the reasons for the decline ... same beach over the three years the numbers of polypropylene packaging bands fell by 93%. The results ...

   Meeting Document : CCAMLR-XII/BG/07 : Auteur(s): Delegation of United Kingdom

2. Modelling growth of Antarctic krill: growth trends with sex, length, season, and region

   to specific growth rate, was fitted to data from published constant-temperature rearing studies and ... seasonal trend for each region. Smaller krill exhibited higher growth rates and a progressive decrease in ... years accumulation of instantaneous growth rate (IGR) measurements were modelled using a Linear Mixed ...

   Meeting Document : WG-EMM-05/29 : Auteur(s): S. Kawaguchi, S. Candy, R. King (Australia), M. Naganobu (Japan) and S. Nicol (Australia)

3. Status of the krill stock around Elephant Island in 1991/92 and 1992/93

   . The length frequency distributions and maturity stage composition reflected relatively good year class ... success from the 1990/91 spawning season but poor success from 1991/92. Year class success from these and ... be affected by dense salp concentrations during 1992/93 and 1989/90. Author(s):  V. Loeb (USA) and V ... during austral summer 1991/92 and 1992/93 are described and compared with information from previous years ...

   Meeting Document : WG-KRILL-93/08 : Auteur(s): V. Loeb (USA) and V. Siegel (Germany)

4. Estimating Antarctic krill density from multi-beam observations using distance sampling methods

   multi-beam sonars.  Here I highlight a recently published analysis technique- an adaptation of distance ... sampling theory- that provides a general means for estimating krill density and biomass from vertically ... oriented multi-beam echo-sounder data.  I describe an extension to this approach that may, subject to the ...

   Meeting Document : SG-ASAM-12/05 : Auteur(s): M.J. Cox (Australia)

5. Transhipment implementation report

   Abstract:  The Secretariat receives notifications for transhipment activities within the ... 5. This paper summarises the transhipment notifications received between 1 August 2018, and 31 July ... notification processing and publication in 2019/20. Author(s):  CCAMLR Secretariat Title:  Transhipment ... :  Content Approved Document Release Consent:  Yes Delegation responsibility for releasing documents:  CCAMLR ...

   Meeting Document : CCAMLR-38/BG/15 : Auteur(s): CCAMLR Secretariat

6. White-chinned petrel incidental mortality event in the Subarea 48.3 Patagonian toothfish fishery during the season extension period in the 2013/14 season

   for over 10 years. The circumstances associated with the event were investigated and a review of ... partly set after Nautical Twilight other factors may have contributed to this event. A review of ... 2014/15. Options for possible future season extensions are discussed. Author(s):  M.A Collins, M ...

   Meeting Document : WG-FSA-14/28 : Auteur(s): M.A Collins, M. Soffker, C. Darby, K. Ross and P.N. Trathan (United Kingdom)

7. Competition-mediated prey availability drives Adélie penguin (Pygocelis adeliae) chick size, mass and condition at colonies of differing size in the southern Ross Sea

   interactions between them, is a key component in understanding the factors driving changes in animal ... populations.  Body size, mass and condition may be important determinants of an organism’s ability to survive ... important for naïve juveniles when they first become independent of their parents and must learn to forage ... for themselves.  Therefore, changes to adult foraging efficiency through intra-specific competition or ...

   Meeting Document : WG-EMM-13/31 : Auteur(s): A.L. Whitehead (Australia), P. O’B. Lyver (New Zealand), G. Ballard (USA), K. Barton, B.J. Karl (New Zealand), D.G. Ainley, K. Dugger, S. Jennings (USA), A. Lescroël (France) and P.R. Wilson (New Zealand)

8. Benchmarking CCAMLR

   Scientific Committee symposium will likely raise these issues again which presents an opportunity to revisit ... the opportunity to develop a CCAMLR stock assessment and advice benchmarking process. The need for ... this was first raised in Scientific Committee (SC-XXXII, paragraph 3.66), developed in Darby (WG-SAM-14 ... Secretariat Workflow Status:  Content Approved Delegation responsibility for releasing documents:  United ...

   Meeting Document : SC-CAMLR-XXXV/BG/31 : Auteur(s): Delegation of the United Kingdom

9. Distribution and ecology of Chaenocephalus aceratus (Channichthyidae) around South Georgia and Shag Rocks (Southern Ocean).

   of 440 mm TL and 520 mm TL. The diet was comprised of fish and crustaceans, with an ontogenetic shift ... Biol., 30 (12): 1523–1533 (2007)) Title:  Distribution and ecology of Chaenocephalus aceratus ... that growth was fast in the first five years with males and females attaining lengths at first spawning ...

   Meeting Document : WG-FSA-07/P5 : Auteur(s): W.D.K Reid, S. Clarke, M.A. Collins and M. Belchier. (Polar Biol., 30 (12): 1523–1533 (2007))

10. Parasites of the Antarctic toothfish (Dissostichus mawsoni Norman, 1937) (Perciformes, Nototheniidae) in the Pacific sector of the Antarctic

    species of commercial fisheries in the Antarctic. It is an endemic and is found along the shelf of ... feeds on a variety of fish and cephalopods and can be an intermediate/paratenic host of some helminthes ... Secretariat Workflow Status:  Content Approved Delegation responsibility for releasing documents:  Russian ... , whose final hosts are whales, seals, large rays and sharks. This article presents new data on toothfish ...

    Meeting Document : WG-EMM-16/P05 : Auteur(s): I.I. Gordeev and S.G. Sokolov

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