Résultats de la recherche
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Results of a research survey to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea, February 2012
Abstract: At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... endorsed a proposal to carry out this work once the fishery had closed at the end of the 2011/12 season ... . The survey had two main objectives: (i) To establish the feasibility of developing a time series of ... longline surveys to monitor pre-recruit (<100 cm TL) toothfish in the south of SSRUs 881.J and 881.L in ...
Meeting Document : WG-SAM-12/29 : Auteur(s): S.M. Hanchet, S. Mormede, A. Dunn (New Zealand) and H.-S. Jo (Republic of Korea)
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The 2014 annual random stratified trawl survey in the waters of Heard Island (Division 58.5.2) to estimate the abundance of Dissostichus eleginoides and Champsocephalus gunnari
Abstract: The annual random stratified trawl survey (RSTS) at HIMI was conducted during June of ... 2014, with the completion of 158 stations. An additional five stations were completed at Shell Bank ... , which had not been sampled since 2005. The catches of C. gunnari were less than half of those in 2013 ... , but catches of both D. eleginoides and C. gunnari were higher than the long-term average (2006-2013 ...
Meeting Document : WG-FSA-14/41 : Auteur(s): G.B. Nowara, T.D. Lamb and D.C. Welsford (Australia)
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Method for rapidly assessing spatial scale of interactions of fishing gear with habitats and Antarctic marine living resources
requested working groups consider how to report on these issues, which also form part of the review ... consideration. Here, we present (i) a method for automating these requirements irrespective of the data layers ... being used, and (ii) examples on how to report rapid assessments of interactions with ecological ... overall process for reporting on interactions of fishing with ecological features, (ii) an automated ...
Meeting Document : WG-FSA-15/62 Rev. 1 : Auteur(s): A. Constable, M. Sumner, J. Melbourne-Thomas and D. Welsford (Australia)
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2016 – Part C: Data analysis and MPA scenario development
) the scientific background and justification for the development of a marine protected area (MPA) in ... general context of the establishment of CCAMLR-MPAs and provides the background information on the Weddell ... -16/03 (Part C) describes the methods and the results of the scientific analyses as well as the ... development of the objectives and finally of the borders for the WSMPA. Earlier versions of Parts A-C were ...
Meeting Document : WG-EMM-16/03 : Auteur(s): K. Teschke, H. Pehlke, M. Deininger and T. Brey on behalf of the German Weddell Sea MPA project team
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By-catch analysis as a part of progress report for the research fishery of Dissostichus spp. in Divisions 58.4.3a and 58.4.4b by Japan and France during 2012/13–2016/17
Abstract: This paper reports the preliminary results of by-catch analysis as a part of progress ... report for the research fishery of Dissostichus spp. in Division 58.4.3a and 58.4.4b by Japan and France ... . Although the by-catch occurred in most longline research operations, the number of by-catch individuals was ... less than 50 individuals in most of the operations. In most of longline operation, by-catch weight was ...
Meeting Document : WG-SAM-17/45 : Auteur(s): T. Okuda, A. Rigaud, R. Sinegre and T. Ichii
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Estimates of abundance of Dissostichus eleginoides and Champsocephalus gunnari from the random stratified trawl survey in the waters surrounding Heard Island in Division 58.5.2 for 2019
completion of 150 stations. The survey was conducted on the FV Atlas Cove. Sampling protocols such as the ... design and the duration of the hauls were similar to recent surveys, but with a new set of randomly ... selected station points. However, only 5 of 18 stations were sampled in Gunnari Ridge since the catch limit ... of the survey. The catch of Dissostichus eleginoides (Patagonian toothfish) was 30.5 t which, while ...
Meeting Document : WG-FSA-2019/03 : Auteur(s): G.B. Nowara, T.D. Lamb and P. Ziegler
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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 May–June 2006 using the Generalised Yield Model
short-term annual yield in the 2006/2007 CCAMLR season. This paper provides a preliminary assessment of ... Abstract: A survey of mackerel icefish, Champsocephalus gunnari, was undertaken in Division ... 58.5.2 in the vicinity of Heard Island in May-June 2006 to provide the information for an assessment of ... yield for the area of Division 58.5.2 to the west of 79°20’ E using standard CCAMLR methods. A lack of ...
Meeting Document : WG-FSA-06/43 Rev. 1 : Auteur(s): D.C. Welsford (Australia)
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Preliminary standardised CPUE analysis of the New Zealand part of the toothfish fishery in CCAMLR Subarea 88.1, from 1988/89 to 2002/03
to 2003, in Subareas 88.1 and 88.2 in the region of the Ross Sea. A preliminary standardised analysis ... of toothfish CPUE (catch (kg) per baited hook per set) carried out last year compared three ... alternative toothfish CPUE analyses for the 1998 to 2002 seasons. The analysis of a data subset including only ... relatively poor fit to the data. The variables depth, soaktime, length of line, area, and season, entered the ...
Meeting Document : WG-FSA-03/43 : Auteur(s): R.G. Blackwell and S.M. Hanchet (New Zealand)
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Subdivision of large CCAMLR Statistical Areas for the management of the krill fishery
Abstract: In this paper the boundaries of the CCAMLR statistical areas are examined for their ... relevance to the management of the krill fishery. A rationale for developing some new areas is developed ... based on data on krill distributions. The overall aim of the exercise was to reduce the large size of ... many of the existing statistical areas to the point where all areas where krill occur could be surveyed ...
Meeting Document : SC-CAMLR-XX/BG/24 : Auteur(s): Delegation of Australia
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Distribution of krill as a fraction of Antarctic zooplankton within the South Sandwich Islands area in summer 2000
Abstract: The paper covers the-results of an acoustic estimation of distribution for krill and ... non-krill zooplankton within the area of South Sandwich Islands that has been obtained with multy ... . Distribution of acoustic characteristics for krill and non-krill fractions of antarctic zooplankton has been ... compared. It has been showed that within the field locations occupied by waters of the Weddell Sea and ...
Meeting Document : WG-EMM-00/50 : Auteur(s): S.M. Kasatkina and A.P. Malyshko (Russia)