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Oceanic debris observations in the southern ocean whale sanctuary, from Antarctic Peninsula to the Ross Sea: December 1994 to March 1995
Abstract: Observations of natural and man-made floating megalitter, macrolitter and mesolitter in ... the Pacific section of the Southern Ocean Whale Sanctuary from December 1994 to March 1995 are ... start and finish of the expedition, especially near the Antarctic Convergence south of the Tasman Sea ... . Man-made megalitter was nowhere common, but was seen mostly near and to the west of the Antarctic ...
Meeting Document : SC-CAMLR-XVI/BG/29 : Autor(es): ASOC Observer
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Progress report on the Korean exploratory longline fishery for Dissostichus spp. in Division 58.4.1 in 2015/16
scientific researches. The total catch of D. mawsoni was 227,220 kg with 6,642 individuals. The CPUE of D ... . mawsoni recorded 0.31 kg/hook. 1,138 individuals of D. mawsoni and 5 individuals of D. eleginoides were ... tagged and released and additionally satellite archival tags were attached to 5 individuals of D. mawsoni ... . In Division 58.4.1, tagging rate and tag overlap statistics of D. mawsoni were 5.0 and 82 ...
Meeting Document : WG-SAM-16/28 : Autor(es): Delegation of the Republic of Korea
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Krill fishery report: 2007 update
for krill in Area 48 in the 2006/07 season, and these vessels have taken 61876 t of krill to date. Two ... CCAMLR scientific observers have been deployed. The preliminary estimate of the total catch of krill for ... the season is approximately 111746 t. This compares with 106589 t of krill reported in the STATLANT ... data for 2005/06. With the exception of Korea and Poland, all Contracting Parties have submitted ...
Meeting Document : WG-EMM-07/05 : Autor(es): Secretariat
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Informative approaches to ageing Antarctic fishes
Abstract: Two concepts can be examined when studying the age of Antarctic fishes. Age can be ... considered in terms of the passage of time (chronological age), and it can also be examined as ' ... ;physiological time'. In this regard otoliths and post-mitotic tissues may contain a large amount of ... examination of otoliths by light and scanning Electron Microscope (SEM) methodology demonstrated that rhythmic ...
Meeting Document : CCAMLR/86/FA/07 : Autor(es): R.L. Radtke and K.T. Hill (USA)
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China’s plan for marine investigation and assessment in the East Antarctic sector
Abstract: Given the large scale and hostile condition of the Southern Ocean, which accounts for ... almost 10% of the world ocean, the collection of scientific data and information in support of effective ... field of scientific research in order to extend knowledge of the marine living resources of the ... Antarctic marine ecosystem. As an important component of the Antarctic marine ecosystem, the vast marine ...
Meeting Document : CCAMLR-38/BG/53 : Autor(es): Delegation of the People’s Republic of China
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Depletion-corrected average catch: a simple formula for estimating sustainable yields in data-poor situations
Abstract: The depletion-corrected average catch (DCAC) formula is an extension of the potential ... -yield formula, and it provides useful estimates of sustainable yield for data-poor fisheries on long ... biomass. The size of the windfall is expressed as being equivalent to a number of years of sustainable ... production, in the form of a “windfall ratio”. The DCAC is calculated as the sum of catches divided by the ...
Meeting Document : WG-SAM-11/P3 : Autor(es): A.D. McCall
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REPORT ON THE ABANDONED GILLNET RETRIEVAL OPERATION CONDUCTED BY AUSTRALIA IN CCAMLR STATISTICAL DIVISION 58.4.3B (BANZARE BANK)
gillnets as a fishing method to target toothfish in the Convention area. Estimating the impact of IUU ... fishing is hampered by a lack of data on the design, deployment, catch and bycatch rates of gill nets ... (Statistical Division 58.4.3b), and the toothfish and bycatch found when a section of the gillnet was retrieved ... . Based on the amount of toothfish found in the 8 km long section of net retrieved, upwards of 29 tonnes ...
Meeting Document : TASO-09/10 : Autor(es): Snowdon, D., Hamill, J., McEachan, F., Welsford, D.
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What do we know about fish stocks in the Southern Scotia region? A review and prospects for future research
Abstract: Work on finfish in the southern Scotia Arc was restricted to taxonomy until the end of ... 1978/79. The fishery was lucrative for a few seasons only, and was closed in 1989/90. Stocks of finfish ... of mackerel ice fish and marbled notothenia, had recovered from exploitation by the end of the 1980’s ... /beginning of the 1990’s. Since the early 1990’s, most species appeared to have changed little in abundance ...
Meeting Document : WG-FSA-00/14 : Autor(es): K.-H. Kock (Germany) and C. Jones (USA)
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REVISED RESEARCH PLAN FOR TOOTHFISH IN DIVISION 58.4.4A and B BY SHINSEI MARU NO. 3 IN 2009/10
status and biological characteristics of Dissostichus spp. in Division 58.4.4 a & b has been revised ... according to the recommendations of the working group. The working group recommended the consecutive ... research focusing on tagging program for a period of 3-5 years to estimate current stock size accurately ... division that includes 4 SSRUs, taking into account the conservative exploitation rate (less than 3.8 % of ...
Meeting Document : WG-FSA-09/12 : Autor(es): Delegation of Japan
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Broadbandwidth sound scattering and absorption from krill (Meganyctiphanes norvegica), Mysids (Praunus flexuousus and Neomysis integer) and shrimp (Crangon crangon)
Abstract: Sound scattering and absorption measurements were made of Northern krill ... (Meganyctiphanes norvegica) over the acoustical bandwidth of 30 to 210 kHz and compared to similar scattering ... measurements made of Antarctic krill (Euphausia superba; Demer and Conti, 2003a). The measurements of total ... total target strengths (TTS) of crustaceans with markedly different shapes (i.e. Mysidacea, a mix of ...
Meeting Document : WG-EMM-04/40 : Autor(es): S.G. Conti, D.A. Demer (USA) and A.S. Brierley (United Kingdom)