Résultats de la recherche
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Squalus acanthias – a new species in the Antarctic ichthyofauna (Division 58.5.1)
Abstract: Four species of shark have been known to date to occur in the sub-Antarctic waters ... : Lamna nasus, Somniosus microcephalus, Etmopterus lucifer, E. granulosus. A specimen of Squalus acanthias ... was captured in February 1995 on the shelf of the Kerguelen Islands from the depth of about 195 m and ... duly described. Squalus acanthias is believed to be one of the most widespread shark species in the ...
Meeting Document : WG-FSA-96/14 : Auteur(s): Pshenichnov, L.K.
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Preliminary investigations into a two-area stock assessment model for Antarctic toothfish (Dissostichus mawsoni) in the Amundsen Sea Region
Abstract: In 2013, the Scientific Committee of CCAMLR could not achieve consensus on a stock ... noted that the assessments were unable to fit the patterns in the recaptures of tagged fish seen in SSRU ... present the preliminary development of a two-area stock assessment model. A two-area model is a method for ... allowing explicit modelling of movement (migration) of fish into an assessment model, allowing the ...
Meeting Document : WG-FSA-14/57 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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Proposal for a skate tagging program in the Ross Sea region to estimate the local biomass trend for starry skates (Amblyraja georgiana)
Abstract: To progress development of a semi-quantitative and spatially explicit risk assessment ... /17 fishing season, noting that on average 89% of skates by weight are released alive (45 of 51 t ... annually). Catch data show that most of the skate catch consists of Amblyraja georgiana and that this ... biomass. Much of the A. georgiana catch occurs in SSRUs 88.1H and 88.1I in an area remaining open to ...
Meeting Document : WG-FSA-18/38 Rev. 1 : Auteur(s): S. Parker and M. Francis
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Proposal for a new Antarctic Specially Protected Area, Terra Nova Bay, Ross Sea
Abstract: The Area proposed for special protection is a small and narrow strip of waters ... extending approximately 9.5 km in length immediately to the south of Terra Nova Bay Station and up to a ... maximum of 7 km from the shore. The total area of the proposed site is just under 30 km2. The boundaries ... proposed have been selected on the basis of the following criteria: a) the proposed area encompasses the ...
Meeting Document : WG-EMM-02/56 : Auteur(s): Proposed by Italy
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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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): A.D. McCall