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1. A review of rattail (Macrourus spp.) and skate by-catch and analysis of standardised CPUE, for the exploratory fishery in the Ross Sea (CCAMLR Subareas 88.1 and 88.2) from 1997/98 to 2004/05

   rattails (Macrourus spp.) and skates in the exploratory fishery for toothfish in the Ross Sea (CCAMLR ... Subareas 88.1 & 88.2). The analysis was based on fine-scale haul-by-haul (C2) data and observer data ... from all vessels in the fishery from 1997/98 to 2004/05. The major factors influencing rattail bycatch ... were vessel, area, and depth. Catch rates of rattails were highest along the shelf edge (SSRUs 88.1E ...

   Meeting Document : WG-FSA-05/24 : Author(s): S.L. Ballara and R.L. O’Driscoll (New Zealand)

2. 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 : Author(s): K.-H. Kock, J. Appel, M. Busch, S. Klimpel, M. Holst, D. Pietschok (Germany), L.V. Pshenichnov (Ukraine), R. Riehl, S. Schöling (Germany)

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 : Author(s): R.L. O’Driscoll, S.M. Hanchet and B.A. Wood (New Zealand)

4. 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 : Author(s): D.C. Welsford (Australia)

5. 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 : Author(s): D. Welsford, T. Robertson and G. Nowara (Australia)

6. Length-age composition of the Patagonian toothfish, Dissostichus eleginoides, from the Kerguelen Island area

   Abstract:  Results of length-age composition studies of the Patagonian toothfish, Dissostichus ... eleginoides, from various fishing grounds of the shelf and continental slope areas of the Kerguelen Islands ... are presented and discussed in the paper. Detailed results of these studies are compiled in tables ... . Soviet vessels had first carded out fishery for the species in the 1984/85 season. Fishing grounds during ...

   Meeting Document : WG-FSA-92/08 : Author(s): V.G. Prutko and V.N. Chikov (Ukraine)

7. 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 : Author(s): S. Mormede (New Zealand)

8. 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 : Author(s): D.A.J. Middleton (New Zealand)

9. Revised estimates of seabed areas within the 500 m isobath of the South Orkney Islands (Subarea 48.2) and consequences for standing stock biomass estimates of nine species of finfish

   Abstract:  A revised bathymetric map of the South Orkney Islands (Subarea 48.2) was generated ... using several integrated bathymetric databases and newly available acoustic seafloor data. The region ... extends from 60.2ºS-62.2ºS latitude and 42.5º-47.5º longitude. From the integrated data sets, areas of ... seabed within the 500 m isobath were computed for 50 m depth intervals. Areas were calculated based on ...

   Meeting Document : WG-FSA-99/33 : Author(s): C.D. Jones (USA)

10. Review of the CEMP standard methods and their delivery to the CEMP database

    Abstract:  This paper reports on the discussions that occurred among individuals tasked by the WG ... -EMM to continue review of the CEMP Standard Methods and their delivery to the CEMP database. The ... discussions were diverse in covering a wide range of parameters, methods and issues, but in the limited time ... available it was not possible to discuss all aspects of CEMP. The issues considered are presented under ...

    Meeting Document : WG-EMM-04/70 : Author(s): C. Southwell, J. Clarke (Australia), K. Reid (United Kingdom), G. Watters (USA) and D. Ramm (CCAMLR Secretariat)

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