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1. 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 : Автор(ы): D.C. Welsford (Australia)

2. 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 : Автор(ы): D. Welsford, T. Robertson and G. Nowara (Australia)

3. 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 : Автор(ы): S. Mormede (New Zealand)

4. 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 : Автор(ы): D.A.J. Middleton (New Zealand)

5. Results of the first winter longline survey to the northern Ross Sea region to investigate toothfish reproductive life history

   Abstract:  The first winter longline survey of Antarctic toothfish in the northern Ross Sea region ... the 4 strata, and 55.2 t of Antarctic toothfish and 3.4 t of Patagonian toothfish were caught ... . Spawning and spent Antarctic toothfish were captured late in the survey on undersea features to the ... male fish caught during the survey than during the summer fishery (73% vs. 60–65%), and the sex ratio ...

   Meeting Document : WG-FSA-16/37 : Автор(ы): D. Stevens, D. Di Blasi and S. Parker

6. Progress report on the joint research for Dissostichus spp. in Subarea 88.3 by the Republic of Korea and New Zealand in 2018/19

   Abstract:  The scientific survey was conducted by the Greenstar (KOR) in the research block 883_1 ... –883_P9. Due to extreme ice conditions covering the southern part of 88.3, Janas (NZL) was not able to ... conduct its part of the survey. The total catch of D. mawsoni was 63,840 kg comprising 2,526 individuals ... . The CPUE for Dissostichus mawsoni indicated regional differences among the research blocks. CPUE was ...

   Meeting Document : WG-SAM-2019/11 : Автор(ы): Delegations of the Republic of Korea and New Zealand

7. Patagonian toothfish in the South Indian Ocean outside CCAMLR waters: a preliminary analysis of the SIOFA Patagonian toothfish population

   Abstract:  A descriptive analysis of the Patagonian toothfish (Dissostichus eleginoides ... and May 2019, in international waters of the South Indian Ocean within the FAO areas 51.7 and 57.4 ... managed by SIOFA, adjacent to the Commission for the Conservation of Antarctic Marine Resources (CCAMLR ... ) convention area is provided in this paper. Different approaches have been made to define the TOP population ...

   Meeting Document : WG-FSA-2019/45 : Автор(ы): R. Sarralde, L.J. López-Abellán and S. Barreiro

8. Preliminary assessment of Patagonian toothfish, Dissostichus eleginoides, in the vicinity of Heard Island and McDonald Islands (Division 58.5.2), based on a survey in May–June 2006 using the Generalised Yield Model

   58.5.2 in the vicinity of Heard Island in May-June 2006 to provide the information for an assessment of ... short-term annual yield in the 2006/2007 CCAMLR season. This paper provides a preliminary assessment of ... yield for the area of Division 58.5.2 to the west of 79°20’ E using standard CCAMLR methods. It also ... investigates the impact on the recruitment series and predicted yields of: i) excluding the unusually high ...

   Meeting Document : WG-FSA-06/45 Rev. 1 : Автор(ы): D.C. Welsford, A.J. Constable, T. Lamb and T. Robertson (Australia)

9. 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 : Автор(ы): S.L. Ballara and R.L. O’Driscoll (New Zealand)

10. 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 : Автор(ы): C.D. Jones (USA)

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