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1. Insights from the study of the last intact neritic marine ecosystem

   , after compiling information from 19 subregions, on how the exploited shelf ecosystems of the North ... their biodiversity and climate (cold vs warm). By the ecological ‘rules’ laid out, the Ross Sea should ... be structured by predation. Analysis has shown, however, that some portions of the Ross Sea follow ... the rules but others do not. This is apparent, though, only because the Ross Sea, unlike the remaining ...

   Meeting Document : WG-EMM-07/P3 : Автор(ы): D. Ainley

2. 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 : Автор(ы): R.L. O’Driscoll, S.M. Hanchet and B.A. Wood (New Zealand)

3. 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 : Автор(ы): K. Reid (United Kingdom) and G. Watters (USA)

4. The direct impact of fishing and fishery-related activities on marine life in the CCAMLR Convention Area with particular emphasis on longline fishing and its impact on albatrosses and petrels – a review

   Abstract:  Finfishing started in the Southern Ocean more than 30 years ago at South Georgia and ... Iles Kerguelen. The fishery extended further south for a few years in the second half of the 1970' ... ;s. However, South Georgia and the Kerguelen Islands remained the most important fishing grounds ... until 1996/97 when the longline fisheries for Dissostichus eleginoides spread over most of the Southern ...

   Meeting Document : SC-CAMLR-XIX/BG/11 : Автор(ы): Delegation of Germany

5. 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)

6. 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)

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

9. 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

10. 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)

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