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Draft proposal for multi-Member research on the Dissostichus mawsoni exploratory fishery in East Antarctica (Divisions 58.4.1 and 58.4.2) from 2018/19 to 2021/22
Abstract: Exploratory fishing for toothfish (Dissostichus spp.) in East Antarctica (Divisions ... 58.4.1 and 58.4.2) began in 2003. Robust stock assessments and catch limits according to CCAMLR decision ... succeeding research proposal for 2018/19 to 2021/22, in accordance with ANNEX 24-01/A, Format 2. This ... allow more time for review by Working Groups of major reporting and review years in non-stock-assessment ...
Meeting Document : WG-SAM-18/17 : Автор(ы): Delegations of Australia, France, Japan, Republic of Korea and Spain
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A preliminary model-based approach for estimating natural mortality of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea Region
Abstract: Natural mortality (M) is a key parameter in fisheries stock assessments, relating ... directly to the productivity of a stock, stock status, and estimated precautionary yields. In the Ross Sea ... constant across age and sex. In 2018, the independent review of the Ross Sea region D. mawsoni stock ... assessment recommended that CCAMLR consider the robustness and reliability of estimating natural mortality in ...
Meeting Document : WG-SAM-2019/04 : Автор(ы): B. Moore, S. Mormede, S. Parker and A. Dunn
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Estimates of krill biomass with commercial significance in small-scale management units applying geostatistics techniques
and SGW which are located in ecologically crucial areas affecting land-based predators around South ... Russian survey 2002 were used. Processing of the acoustic survey data in 2000-2002 was made applying ... and its fishable part in each SSMU. The relationship between the biomass available to fishery and the ... total biomass may vary by SSMUs, e.g. in SGE this relationship based on the two surveys data constituted ...
Meeting Document : WG-EMM-06/36 : Автор(ы): S.M. Kasatkina and P.S. Gasyukov (Russia)
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Size at maturity and histological procedures explored to determine spawning activity of female Dissostichus mawsoni from samples collected from the Ross Sea in January 2004, December 2004 and January 2005
the 2003/04 and 2004/05 commercial fishing seasons in the Ross Sea to improve estimates of size of ... development visible in histological sections of the 2003/04 samples. Using this methodology, it is ... size at maturity. The calculated Lm50 of 113.0 cm was very close to the value of 115.2 cm estimated in ... spawning activity that may also be useful in ascertaining the maturity ogive of D. mawsoni in the previous ...
Meeting Document : WG-FSA-05/63 : Автор(ы): M.E. Livingston and P. Grimes (New Zealand)
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Preliminary assessment of mackerel icefish, Champsocephalus gunnari, on the Heard Island Plateau (Division 58.5.2) based on a survey in April–May 2003
approximately 20% of the 2002 estimate. This decline in abundance is consistent with the passage of the strong ... 1997 cohort through the population and relatively weak recruitment in 1999 and 2000. The 1+ fish ... evident in the survey were not fully sampled and as such are not included in the assessment. Estimates of ... in recruitment, natural mortality and growth of these fish, combined with the need to maintain a ...
Meeting Document : WG-FSA-03/32 : Автор(ы): A.J. Constable, C.R. Davies, R. Williams and T. Lamb (Australia)
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Antarctic fur seals in the South Shetland Islands: pup production and population trends
were found at Cape Shirreff, Livingston Island in January 1960. In 1987, an archipelago-wide aerial and ... Abstract: Discovered in 1819, the South Shetland Islands soon became the focus of intensive ... ground census identified breeding colonies and substantial increases in pup production. This paper ... censuses over a 15yr period (1987, 1992, 1994, and 1996) indicates the rate of increase in fur seal ...
Meeting Document : WG-EMM-02/51 : Автор(ы): M.E. Goebel (USA), V.I. Vallejos (Chile), W.Z. Trivelpiece, R.S. Holt (USA) and J. Acevedo (Chile)
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Preliminary report on IWC-SO GLOBEC collaborative research in the western Antarctic Peninsula study area, March–June 2001
Abstract: The first three cruises in the 'year round' Southern Ocean GLOBEC series for ... participated in all three cruises (Gould LMG 01-03 USA mooring cruise, Polarstern AntXVIII5b ship and ... passive acoustic team. The most frequently recorded and abundant baleen whale species in the study area ... (ie. dense aggregations in deep pools or holes) was made on these surveys. This indicates that baleen ...
Meeting Document : SC-CAMLR-XX/BG/29 : Автор(ы): Observer (IWC)
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Report of the Workshop for the International Coordinated Survey in conjunction with CCAMLR-2000 Survey
Abstract: Vessels from Japan, Republic of Korea, Peru and the USA had participated in the conduct ... of five acoustic/oceanographic surveys from late December 1999 and to early March 2000 in conjunction ... a change in the demographic structure of the population. The smaller size modes disappear and krill ... are more sexually mature later in the summer. If the lowest estimate is treated as the result of ...
Meeting Document : WG-EMM-01/68 : Автор(ы): Delegations of Japan, Rep. of Korea, USA and Peru
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DEVELOPMENT OF A REGISTRY OF VULNERABLE MARINE ECOSYSTEMS IN THE CONVENTION AREA
vulnerable marine ecosystems (VMEs) in the Convention Area for circulation to Contracting Parties and other ... relevant bodies. In addition, CM 22-07 requires the Secretariat to notify fishing vessels in the relevant ... ). The registry operates within the existing CCAMLR database infrastructure, with data being stored in ... risk areas and fine-scale rectangles for each fishery is distributed in the fishery summary reports ...
Meeting Document : WG-FSA-09/06 : Автор(ы): Secretariat
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ASSESSMENT MODELS FOR ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN SUBAREA 88.2 SSRU E FOR THE YEARS 2002/03 TO 2008/09
model for Antarctic toothfish (Dissostichus mawsoni) in the SSRU 88.2E, using revised catch, catch-at ... model resulted in a higher estimate of initial biomass than the same model for 2006, but the estimated ... initial biomass was very imprecise. The selected trips data set resulted in a more precise estimate of ... initial biomass, although there was some conflict in the likelihoods of the tag recapture observations ...
Meeting Document : WG-FSA-09/41 : Автор(ы): A. Dunn and S.M. Hanchet (New Zealand)
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