Résultats de la recherche

1. Preliminary assessment of Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a survey in May 2002

   Abstract:  A survey of Patagonian toothfish, Dissostichus eleginoides, was undertaken in Division ... 58.5.2 in the vicinity of Heard Island in May 2002 to provide the information for an assessment of long ... assessment of yield using the assessment methods of CCAMLR, a summary of which is presented here. The ... estimate of biomass of juvenile Patagonian toothfish in the vicinity of Heard Island was similar to the ...

   Meeting Document : WG-FSA-02/70 : Auteur(s): A.J. Constable, R. Williams and T. Lamb (Australia)

2. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2004/05

   eight years in Subarea 88.1 and for four years in Subarea 88.2 with a large amount of data collected on ... toothfish and the associated bycatch. The 2005 D. mawsoni catch was the highest on record with a total of ... 3477 t against a catch limit of 3625 t. The catch limit was almost reached in Subarea 88.1 and exceeded ... were rattails, which contributed 12% of the catch, and skates which contributed to about 2% of the ...

   Meeting Document : WG-FSA-05/29 : Auteur(s): S.M. Hanchet, M.L. Stevenson, N.L. Phillips and A. Dunn (New Zealand)

3. DNA barcoding highlights a cryptic species of grenadier (genus Macrourus) in the Southern Ocean

   Abstract:  The genus Macrourus is a small group of bentho-pelagic fishes with three species ... body colour, and a single row of relatively long teeth, and a second group with 8 pelvic fin rays, dark ... body colour, and 2 or more rows of finer teeth, that corresponded with the DNA haplotypes. The COI ... divergence or slow nucleotide substitution at COI in this genus. Author(s):  P.J. Smith (New Zealand), D ...

   Meeting Document : WG-FSA-10/33 : Auteur(s): P.J. Smith (New Zealand), D. Steinke (Canada), P.J. McMillan, A.L. Stewart, S.M. McVeagh (New Zealand), J.M. Diaz De Astarloa (Argentina), D. Welsford and R.D Ward (Australia)

4. Trophic interactions and population trends of killer whales (Orcinus orca) in the southern Ross Sea

   Abstract:  Foraging events and related trends in numbers of Type-B and-C killer whales (Orcinus ... orca) are reported for the vicinity of Ross Island, Ross Sea, Antarctica, between 2002 and 2010 ... . Updating an earlier report, the frequency of sightings and the number of individuals per sighting of Ross ... coincident with a decrease in the number and size of an important prey: Antarctic toothfish (Dissostichus ...

   Meeting Document : WG-FSA-12/P03 : Auteur(s): D.G. Ainley and G. Ballard

5. Evaluation of some processing techniques applied to acoustic recordings from two krill fishing vessels

   the automatic noise removal techniques we had at hand. We also evaluated the use of delineation and ... demonstrated through a CCAMLR proof of concept, but processing is in most cases essential before any use of the ... . Here we show examples of processing with a prerequisite that abundance and distribution of krill are ... our main interest, and that data of interest include both those collected during fishing operations ...

   Meeting Document : SG-ASAM-17/03 : Auteur(s): X. Wang, G. Skaret and O.R. Godø

6. Improving CCAMLR’s monitoring and control of transhipments

   monitoring and control of transshipments in 2014 [1], 2015 [2], and 2016 [3]. Despite robust consideration ... CCAMLR members with a strong resource to help address current gaps in the monitoring of transshipments ... .  The United States looks forward to reviewing the report’s findings and, with due consideration of the ... ), working with other Members during the intersessional period on a proposal for consideration at CCAMLR ...

   Meeting Document : CCAMLR-XXXVI/BG/17 : Auteur(s): Delegation of the USA

7. Progress towards a representative network of Southern Ocean protected areas

   adoption of marine protected areas (MPAs) in national and international waters. While establishing MPAs in ... international waters has proven to be challenging in most of the world, national governments and the Commission ... for the Conservation of Marine Living Resources (CCAMLR) have succeeded in adopting multiple MPAs in ... the Southern Ocean. But are these MPAs representative of Southern Ocean biodiversity and ecosystems ...

   Meeting Document : WS-SM-18/12 Rev. 1 : Auteur(s): C. Brooks, S. Chown, L. Douglass and B. Raymond

8. Global relationships amongst black-browed albatrosses: analysis of population structure using mtDNA and microsatellites

   Abstract:  The population structure of black-browed (Thalassarche melanophris and T. impavida) and ... five island groups in the Southern Ocean. High levels of sequence divergence were found in both taxa ... (T. impavida). T. melanophris from Campbell Island contain birds from each of the three groups ... , indicating high levels of mixture and hybridization. In contrast, grey-headed albatrosses form one globally ...

   Meeting Document : WG-FSA-01/19 : Auteur(s): T.M. Burg and J.P. Croxall (United Kingdom)

9. A comparison of Antarctic krill (Euphausia superba Dana) caught by nets and taken by macaroni penguins (Eudyptes chrysolophus Brandt): evidence for selection?

   ) breeding at Bird Island, South Georgia and concurrent net samples caught within the penguin foraging range ... , we examined the potential selection of different length and maturity stages of Antarctic krill ... probability of obtaining length-frequency distributions of krill different from that obtained from the net ... distributions that were statistically different from the original distribution of krill caught in nets on 76 out ...

   Meeting Document : WG-EMM-96/08 : Auteur(s): Croxall, J.P., Hill, H.J., Trathan, P.N., Watkins, J.L.

10. Age determination of the Antarctic fishes Champsocephalus gunnari and Notothenia rossii from South Georgia

    Abstract:  Foremost in the elucidation of accurate population dynamics parameters in fish is a ... necessity for an errorless estimation of age. Age determination can provide basic life history information ... used annual rhythmic deposition in calcified tissues as time marks but, due ts the lack of distinct ... periodicity in Antarctic hydrographic conditions, age determination of Antarctic fish has proven to be ...

    Meeting Document : SC-CAMLR-VI/BG/43 : Auteur(s): R. Radtke (USA)

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