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1. Results of an acoustic investigation of Antarctic krill, Euphausia superba, biomass-density in the Elephant Island area in January/February 2001

   and processed according to protocols used for the CCAMLR 2000 Synoptic Survey. An average biomass ... Abstract:  Results from an acoustic krill survey in the Elephant Island Area carried out Jan 27th ... installed on the R/V “Polarstern”. The collected acoustic data were post-stratified in three strata based on ... density of 15.32 g/m2 and a standing stock (B0) of 1.7 million tonnes were estimated for the entire area ...

   Meeting Document : WG-EMM-02/30 : Autor(es): M.A. Thomasson (Sweden), J.H. Emery (USA), J. Rademan (South Africa), R.P. Hewitt (USA) and B.I. Bergström (Sweden)

2. Reducing seabird by-catch with an underwater longline setting funnel

   million hooks) over a two-year period. There was no evidence for lower catches or significantly higher ... in a demersal longline fishery for Patagonian toothfish Dissostichus eleginoides. The funnel, which ... deploys the longline 1-2 m beneath the sea surface, was used on 52% of 1714 sets (total effort 5.12 ... bait loss on sets through the funnel. Overall bird bycatch rate was low (0.022 birds per 1000 hooks ...

   Meeting Document : WG-FSA-00/29 : Autor(es): P. Ryan and B. Watkins (South Africa)

3. How fishing and marine protection can coexist in the Southern Ocean: An economic analysis of the Ross Sea and East Antarctic MPA proposals

   Abstract:  This paper discusses the two current marine protected area (MPA) proposals, for East ... Antarctica and for the Ross Sea, and assesses their potential economic impact on commercial fishing for ... the proposed MPAs will have a minimal impact on current overall catch limits for the target stocks ... when new catch spread scenarios are taken into account. For example, the Ross Sea Antarctic toothfish ...

   Meeting Document : CCAMLR-XXXV/BG/23 Rev. 1 : Autor(es): Submitted by ASOC

4. POPULATION ASSESSMENTS OF GENTOO PENGUINS (PYGOSCELIS PAPUA) BREEDING AT AN IMPORTANT ANTARCTIC TOURIST SITE, GOUDIER ISLAND, PORT LOCKROY, PALMER ARCHIPELAGO, ANTARCTICA

   (chicks per nest) of the 10 colonies on Goudier Island, all of which have now been monitored for 12 ... six visited colonies, two showed an important and significant statistical decline in the number of ... (Pygoscelis papua) breeding colonies are located on the island and these have been the focus of one of the ... consecutive years beginning in the 1996/1997 breeding season. Our results demonstrate that all colonies show ...

   Meeting Document : WG-EMM-09/P07 : Autor(es): P.N. Trathan, J. Forcada, R. Atkinson, R.H. Downie and J.R. Shears

5. Data from recent trawl surveys in the vicinity of Heard Island and McDonald Islands (Division 58.5.2), reveal an unusual cohort structure in the mackerel icefish (Champsocephalus gunnari) population

   population dynamics of this species, and to provide a basis for an assessment of short-term annual yield in ... population, leading to a situation that is unusual for this region, with four or five successive year classes ... in the vicinity of Heard Island during September 2010 and April 2011, to provide information on the ... the 2011/2012 CCAMLR season. This paper provides a preliminary assessment of yield for the area of ...

   Meeting Document : WG-FSA-11/22 : Autor(es): D.C. Welsford (Australia)

6. Stratification of catch-at-length data using tree based regression: an example using Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea

   sampled catch based on the median length of Antarctic toothfish for each set using the observer length ... , rather than giving equal weights to all tows. Two variables (depth and SSRU) were used by the tree ... -length data using tree based regression: an example using Antarctic toothfish (Dissostichus mawsoni) in ...

   Meeting Document : WG-FSA-SAM-05/8 : Autor(es): N.L. Phillips, A. Dunn and S.M. Hanchet (New Zealand)

7. A simulation study of krill fishing by an individual Japanese trawler (SC-CAMLR-VI/BG/37)

   Japanese krill trawler over a half-month period. It is based on an underlying krill distribution model ... Abstract:  A model is set up for the operation (which includes both searching and fishing) of a ... the operation is compared with (and partially tuned to) statistics for a sample of data from the ... than in the model. Two ad hoc model modifications are introduced to eliminate this inconsistency ...

   Meeting Document : WS-KCPUE-89/04 : Autor(es): D.S. Butterworth (South Africa)

8. An assessment of Chaenocephalus aceratus and Pseudochaenichthys georgianus in Subarea 48.3

   for these two species by assuming that 75% of the ‘unidentified fish’ caught by the Soviet Union in ... Subarea 48.3 since 1977 but have never been fully assessed by the Working Group on Fish Stock Assessment ... the years 1977 to 1988 consisted of catches of C. aceratus and P. georgianus. Biological, age-length ... future. Author(s):  D.J. Agnew (Secretariat) and K.-H. Kock (Germany) Title:  An assessment of ...

   Meeting Document : WG-FSA-90/06 : Autor(es): D.J. Agnew (Secretariat) and K.-H. Kock (Germany)

9. A simulation study of krill fishing by an individual JAPANESE trawler

   Japanese krill trawler over a half-month period. It is based on an underlying krill distribution model ... Abstract:  A model is set up for the operation (which includes both searching and fishing) of a ... the operation is compared with (and partially tuned to) statistics for a sample of data from the ... than in the model. Two ad hoc model modifications are introduced to eliminate this inconsistency ...

   Meeting Document : SC-CAMLR-VII/BG/37 : Autor(es): D.S. Butterworth (Invited Expert)

10. An assessment of the conservation status of albatrosses

    , the Black-browed (Near Threatened) and Laysan Albatrosses are classified as Lower Risk. For two ... regarding population trend and status provides an inadequate basis for classification and these are assessed ... taxonomic revisions of albatrosses and the new IUCN criteria for identification of threatened taxa. The ... the 24 albatross species recognized in the new taxonomy, two species (Amsterdam Albatross and Chatham ...

    Meeting Document : WG-FSA-97/59 : Autor(es): Croxall, J.P., Gales, R.

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