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Proposed continuation of a multi-Member longline survey on Antarctic toothfish (Dissostichus mawsoni) in Statistical Subarea 48.6 in 2019/20 by Japan, South Africa and Spain
proposal for 2019/20 season is presented to ensure continuity of previous research activities. Data and ... proposal for 2019/20 season is presented to ensure continuity of previous research activities. Data and ... 2013 to enhance data collection and analysis in the subarea 48.6. From the last season (2018/19) Spain ... techniques, pop-up tags and genetic analysis will provide the basis for the development of spatial population ...
Meeting Document : WG-SAM-2019/13 Rev. 1 : Autor(es): Delegations of Japan, South Africa and Spain
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Review of the Russian marine researches in the south-eastern part of the Atlantic Antarctic Area (20°W–30°E)
Antarctic Area (20°W–30°E) Approval: Approved ... Abstract: The review of Russian expeditions carried out during 1970-2000 in the south-eastern ... 30ºE) can be perspective area for commercial fishery operations. To our opinion the above said area ... (Russia) Title: Review of the Russian marine researches in the south-eastern part of the Atlantic ...
Meeting Document : WG-EMM-14/20 : Autor(es): V. Shnar and S. Kasatkina (Russia)
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UPDATE OF THE INTEGRATED STOCK ASSESSMENT FOR THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS USING CATCH-AT-AGE DATA AND TWO YEARS OF SURVEY ABUNDANCE-AT-AGE DATA
) samples for each fishing period within that year. For years where insufficient fish were aged the catch-at ... commercial catches with catch-at-age proportions using age length keys (ALKs) where the ALK for each ... -length proportions were retained but for a given fishery the same age-specific selectivity function and ... . Effective sample sizes for the commercial catch-at-age proportions, assuming a multinomial distribution, and ...
Meeting Document : WG-SAM-09/09 : Autor(es): S.G. Candy (Australia)
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Assessment models for Patagonian toothfish in Division 58.4.4, SRU C on Ob and Lena Banks for the years 1989/90 to 2012/13
Ob and Lena Banks for the years 1989/90 to 2012/13 Approval: Approved ... /21), and a combined value of over-dispersions were used for all tag-release years (2008 and 2010‒12 ... ) instead of separated value for each year, 2)I calculated effective sample size for the proportions-at ... Abstract: I revised the CASAL catch-at-length models for stock status assessments of Dissostichus ...
Meeting Document : WG-FSA-13/35 : Autor(es): K. Taki (Japan)
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An iterative model to construct an age-length key to assess the age composition of a new fishery for Dissostichus eleginoides in Chilean waters
data and random length frecuency be sampled from the same population, in other case an age-length key ... possible to overcome this limitation. The catch age composition for Dissostichus eleginoides was obteined ... . (Chile) Title: An iterative model to construct an age-length key to assess the age composition of a new ... Abstract: Traditional calculation of catch age composition estimate requires that the age-length ...
Meeting Document : WG-FSA-92/23 Rev. 1 : Autor(es): H. Robotham V. and Z. Young U. (Chile)
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Analysis of the sea-ice concentration (SIC) in Subarea 48.6, research blocks 2, 3, 4 and 5 with sea-surface temperature (SST) and statistical models
4, the SIC in 2019 was the highest for the last 4 years (2016-2019). For research block 5, the SIC in ... , where the limit of navigability for fishing vessels is set at 20 % SIC, was calculated. It should become ... SIC in 2019 was the highest for the last 4 years (2016-2019). For research block 5, the SIC in 2019 ... , where the limit of navigability for fishing vessels is set at 20 % SIC, was calculated. It should become ...
Meeting Document : WG-SAM-2019/15 : Autor(es): T. Namba, R. Sarralde, H. Pehlke, K. Teschke, T. Brey, S. Hain, T. Ichii, T. Okuda, S. Somhlaba and J. Pompert
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Draft statement for the commemoration of 20 years of CCAMLR
Draft statement for the commemoration of 20 years of CCAMLR ...
Meeting Document : CCAMLR-XX/19 Rev. 1 : Autor(es): Delegation of Chile
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Biomass of Antarctic krill (Euphausia superba) off east Antarctica (30–80°E) in January–March 2006
(Australia) Title: Biomass of Antarctic krill (Euphausia superba) off east Antarctica (30–80°E) in January ... January-March 2006, during which time multifrequency echosounder data were collected for the purposes of ... estimated to be 15.89 million tonnes with a CV of 47.93%. Most of the E. superba detected (80%) were in ... relatively weak aggregations (s A <100 m 2 nmi-2 for each 2 km-alongtrack integration interval), with 50 ...
Meeting Document : WG-EMM-06/16 : Autor(es): T. Jarvis, E. van Wijk, N. Kelly, S. Kawaguchi and S. Nicol (Australia)
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Distribution and abundance of Antarctic krill (Euphausia superba) off East Antarctic (30–80°E) in January–March 2006
Antarctic (30–80°E) in January–March 2006 Approval: Approved ... of Division 58.4.2 for the purposes of estimating the unexploited biomass (B0) of Antarctic krill ... intervals were devoid of krill, 50% of intervals registered densities of 1 g m-2 of krill or less, and 80 ... catches were considered in the context of the physical oceanography, from which a case is presented for ...
Meeting Document : WG-EMM-07/33 : Autor(es): T. Jarvis, N. Kelly, E. van Wijk, S. Kawaguchi and S. Nicol (Australia)
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Recalculation of Antarctic krill (Euphausia superba) biomass off East Antarctica (30–80°E) in January–March 2006
superba) biomass off East Antarctica (30–80°E) in January–March 2006 Approval: Approved ... Abstract: We recalculated krill biomass for the 2006 BROKE-West (CCAMLR Division 58.4.2) summer ...
Meeting Document : WG-EMM-12/31 : Autor(es): M.J. Cox and S. Kawaguchi (Australia)