Résultats de la recherche

1. Geographical differences in the condition, reproductive development, sex ratio, and length distribution of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR Statistical Subarea 88.1)

   Abstract:  A number of morphological and reproductive measurements made seasonally on Antarctic ... seasons aboard the autoliner San Aotea II have been analysed. Results of this study indicate measurable ... differences in a number of indices from toothfish found on the Ross shelf proper, as distinct from those ... part of the Ross Sea showed that this component of the population had a unimodal length distribution at ...

   Meeting Document : WG-FSA-05/52 : Auteur(s): J.M. Fenaughty (New Zealand)

2. The diet of Antarctic fur seals, Arctocephalus gazella, at King George Island, during the summer–autumn period

   Abstract:  The diet of non breeding male Antarctic fur seals, Arctocephalus gazella, was ... , krill and fish were the most frequent prey, occurring in an average of 97% and 69% of samples (n=128 ... ), followed by Cephalopods (12%). Myctophids constituted almost 90% of the fish predated, being Electrona ... fish species associated with krill swarms. A seasonal change observed in the relative proportions of ...

   Meeting Document : WG-EMM-04/4 : Auteur(s): G.A. Daneri, A.R. Carlini, C.M. Hernandez and A. Harrington (Argentina)

3. Brief information on the results of the bottom trawl and trawl–acoustic surveys carried out by STM Atlantida in the South Georgia subarea (48.3) during January to March 2002

   Abstract:  The results of researches carried out in expeditions of S?? “?tlantida” in summer ... -autumn period of the southern hemisphere from 30 January to 14 March 2002 are presented. These researches ... included the bottom trawl survey on the shelf of South Georgia, Shag Rocks and Black Rocks (53?10-55?30 S ... Georgia shelf (53?10- 55?30 S, 34?00-39?40 W); series of oceanographic observations. Author(s):  V.N ...

   Meeting Document : WG-FSA-02/19 : Auteur(s): V.N. Shnar, V.A. Khvichia and A.P. Malyshko (Russia)

4. Some comments on the procedure of krill target strength assessment in echosurveys

   Abstract:  The impact of midwater trawl selectivity and catchability upon TS and TS 1 kg estimates ... . Application of the proposed method of mean weighted TS 1 kg estimation provides the biomass estimation ... : assessment of MSBS (MVBS) acoustic parameter distribution and krill length (weight) distribution in the study ... area. The latter requires to settle a complex of problems which allow to consider the trawl as a ...

   Meeting Document : WG-EMM-98/21 : Auteur(s): S.M. Kasatkina (Russia)

5. Marine Protected Areas in the Southern Ocean: update on current status of designated areas

   Abstract:  The development of a representative system of Antarctic marine protected areas (MPAs ... ) will require up to date information on the location, conservation aims and current status of protected ... (ASMAs) with both marine and terrestrial components (all located south of 60°S). A further 3 MPAs have so ... national jurisdictions. The geographic distribution and range of values being protected within these areas ...

   Meeting Document : WS-MPA-11/19 : Auteur(s): S.M. Grant and P.N. Trathan (UK)

6. A toolbox of Marine Protected Area management techniques for the area covered by the Antarctic Treaty and by CCAMLR

   considerable expertise on their identification, establishment, and management.  A global review of MPA ... highlighted the variety of possible ways to help achieve the objectives of MPAs.  The main tools which are ... “toolbox”.  Some of these management techniques have been adapted from terrestrial situations while others ... are novel and are unique to the marine environment.  The tools are presented as a range of approaches ...

   Meeting Document : WS-MPA-11/21 : Auteur(s): WWF and UK Foreign and Commonwealth Office

7. Unhappy feet: the reduction of Adélie and chinstrap penguin populations in the West Antarctic Peninsula/Scotia Sea

   reduction of the populations of Adélie (Pygoscelis adeliae) and chinstrap penguins (Pygoscelis antarctica ... . Trivelpiece et al. argue that the reduction of the populations of both species could be attributed to changes ... in the abundance of their main prey, Antarctic krill, which is affected by climate change. In this ... context, CCAMLR should keep a precautionary approach in the management of the krill fishery to reduce ...

   Meeting Document : CCAMLR-XXX/BG/21 : Auteur(s): Submitted by ASOC

8. Estimation of catch rate and mean weight in the exploratory Dissostichus fisheries across Divisions 58.4.1 and 58.4.2 using generalised additive models

   these fisheries. Analyses of C2 catch rate and mean weight data from 2484 longline hauls conducted ... between 2003 and 2011 enabled the development of generalised additive mixed models that were then used to ... make predictions of catch rate and mean weight across fishable depths in both Divisions. Catch rates ... , with most locations within fishable depths predicted to have catch rate of less than 100 kg per 1000 ...

   Meeting Document : WG-FSA-11/35 : Auteur(s): D.C. Welsford (Australia)

9. ANALYSIS OF ROSS SEA TAGGING AND RECAPTURE RATES

   Abstract:  1. A dataset of all possible combinations of release nation, recapture nation, release ... year and recapture year for tags released and recaptured in the same SSRUs on the slope of 88.1 was ... (caught), all in numbers. 2. The overall size of the dataset was 734 combinations of release year ... the same. 3. This method could be used to identify groups of nations that have similar reporting rates ...

   Meeting Document : WG-SAM-08/07 : Auteur(s): D.J. Agnew (UK)

10. Latitudinal variation of demersal fish assemblages in the western Ross Sea

    °S. The distribution and abundance of 65 species collected in these surveys were examined to ... influence this. Species accumulation with sample frequency did not reach an asymptote, but the rate of new ... species was low suggesting data were adequate for describing the main components of the communities. Three ... broad assemblages were identified, in the southern Ross Sea (south of 74°S), central–northern Ross Sea ...

    Meeting Document : WG-FSA-10/P03 : Auteur(s): M.R. Clark, M.R. Dunn, P.J. McMillan, M.H. Pinkerton, A. Stewart and S.M. Hanchet

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