Résultats de la recherche

1. Composition and standing stock estimates of finfish from the Polarstern bottom trawl survey around Elephant Island and the South Shetland Islands (Subarea 48.1, 19 December 2006 to 3 January 2007)

   and the South Shetland Islands from 19 December 2006 to 3 January 2007. Information on species ... composition, biomass, and size composition of the abundant fish species was provided. Estimates of total ... biomass for Elephant Island and the South Shetland Islands separately as well as biomass overall were ... . gibberifrons, L. larseni and L. squamifrons while biomass was found to be higher in N. coriiceps around the ...

   Meeting Document : WG-FSA-07/22 : Auteur(s): K.-H. Kock, J. Appel, M. Busch, S. Klimpel, M. Holst, D. Pietschok (Germany), L.V. Pshenichnov (Ukraine), R. Riehl, S. Schöling (Germany)

2. Demersal fishing interactions with marine benthos in the Southern Ocean: an assessment of the vulnerability of benthic habitats to impact by demersal gears

   Abstract:  A collaborative project between Australian industry, the Australian Antarctic Division ... (AAD), Australian Fisheries Management Authority (AFMA), and the Fisheries Research and Development ... Corporation has been established to investigate the interactions between demersal fishing gears targeting ... Dissostichus spp. with marine benthos in the Australian EEZ of the Southern Ocean. Key outcomes of this project ...

   Meeting Document : SC-CAMLR-XXVI/BG/30 : Auteur(s): Delegation of Australia

3. Approaches to monitoring and assessing the abundance of rattails (Macrourus spp.) and skates in the Ross Sea

   and assessing rattails and skates, which are major bycatch species in the exploratory fishery for ... toothfish in the Ross Sea. We review standardised CPUE analysis, quantitative research longline surveys ... , and acoustic surveys. We recommend that a random bottom trawl survey would be the best approach ... towards obtaining abundance estimates for rattails and skates in the Ross Sea. The major advantage of this ...

   Meeting Document : WG-FSA-05/22 : Auteur(s): R.L. O’Driscoll, S.M. Hanchet and B.A. Wood (New Zealand)

4. Demography of Antarctic krill in the Lazarev Sea (Subarea 48.6) and the Elephant Island area (Subarea 48.1) in 2004

   Abstract:  Standardized krill net sampling surveys were conducted in the Lazarev Sea (Subarea 48.6 ... ) in April 2004 and in the Elephant Island area (Subarea 48.1) in January and February/March 2004 ... . Krill densities in the Elephant Island area were below the long-term average which mark a substantial ... decline after the good krill years in 2001 and 2002. Krill density was lower in the Lazarev Sea, even ...

   Meeting Document : WG-EMM-04/23 : Auteur(s): V. Siegel (Germany), V. Loeb (USA), B. Bergström (Sweden), S. Schöling (Germany), M. Haraldsson (Sweden), J. Kitchener (Australia), M. Vortkamp (Germany)

5. Approaches to the simplification of the summary and presentation of CEMP data

   Abstract:  The current approach to providing advice on the status of the krill-centric ecosystem ... relies on the evaluation of statistical anomalies in the CEMP database. A new approach based on the ... ordination of variables according to functional groupings is suggested. This approach uses the methodology ... data to summarise the variability in CEMP parameters. Author(s):  K. Reid (United Kingdom) and G ...

   Meeting Document : WG-EMM-04/61 : Auteur(s): K. Reid (United Kingdom) and G. Watters (USA)

6. PRELIMINARY ASSESSMENT OF MACKEREL ICEFISH, CHAMPSOCEPHALUS GUNNARI, IN THE VICINITY OF HEARD ISLAND AND MCDONALD ISLANDS (DIVISION 58.5.2), BASED ON A SURVEY IN APRIL 2009, USING THE GENERALISED YIELD MODEL

   58.5.2 in the vicinity of Heard Island in April 2009 to provide the information for an assessment of ... short-term annual yield in the 2009/2010 CCAMLR season. This paper provides a preliminary assessment of ... yield for the area of Division 58.5.2 to the west of 79o 20’ E using standard CCAMLR methods. The strong ... year class detected in the last two years’ surveys is now fully recruited as the 3+ cohort, and ...

   Meeting Document : WG-FSA-09/33 : Auteur(s): D.C. Welsford (Australia)

7. REPORT ON A LONGLINE SURVEY CONDUCTED BY THE FV JANAS IN MAY 2008 ON BANZARE BANK, AND AN ASSESSMENT OF THE STATUS OF DISSOSTICHUS SPP. IN DIVISION 58.4.3B

   strata covering areas of commercial fishing activity was conducted from aboard the Australian flagged ... across the majority of the surveyed area. Catches of toothfish consisted of both species of Dissostichus ... , with D. mawsoni found across the entire survey area while D. eleginoides was mainly found on the ... shallow areas on the western part of the Bank. Data on size distribution and size at maturity indicate ...

   Meeting Document : WG-FSA-08/57 : Auteur(s): D. Welsford, T. Robertson and G. Nowara (Australia)

8. YEAR OF THE SKATE SAMPLING PROTOCOL: LEARNING FROM THE 2007–08 SEASON SAMPLING PROTOCOL ON NZ VESSELS

   Abstract:  Skates are an important bycatch of the toothfish fishery in the CCAMLR area and have ... paragraph 8.10) a review of data requirements and a “Year of the Skate” for 2008–09 whereby data collection ... assessment. This paper discusses improvements to the fishery derived data that may be required to better ... inform an assessment of Ross Sea skates. We propose options for the appropriate collection of such data ...

   Meeting Document : WG-FSA-08/49 : Auteur(s): S. Mormede (New Zealand)

9. Stability of trip selections for the assessment of Antarctic toothfish in the Ross Sea

   Abstract:  A dataset for the 2009 assessment of Antarctic toothfish (Dissostichus mawsoni) in the ... Ross Sea was selected on the basis of data quality metrics for individual trips. Initial informative ... tags, and/or where tags released on the trip were subsequently recaptured at a high rate. These trips ... to tagging data. Other trips with data quality metric values within these ranges were added to the ...

   Meeting Document : WG-FSA-10/26 : Auteur(s): D.A.J. Middleton (New Zealand)

10. An updated glossary of terms relevant to the management of Vulnerable Marine Ecosystems (VMEs) in the CCAMLR Area

    progress a framework to manage the risk that bottom fishing in the CCAMLR Area may produce significant ... adverse impacts on certain benthic habitats, termed Vulnerable Marine Ecosystems (VMEs). One of the ... identified intersessional tasks was to produce a glossary of terms relevant to the management of VMEs (SC ... -EMM 2010, paragraph 3.2-3.3). This paper updates the previous VME glossary to reflect the definitions ...

    Meeting Document : WG-FSA-10/28 : Auteur(s): B.R. Sharp and S.J. Parker (New Zealand)

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