Résultats de la recherche
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TARGET STRENGTH STUDIES ON ANTARCTIC SILVERFISH (PLEURAGRAMMA ANTARCTICUM) IN THE ROSS SEA
free swimming fish in their natural habitat. A canvassing of the literature suggested that the type of ... and abundance in the Ross Sea. In this paper we present results of three different studies on ... Antarctic Silverfish TS. In situ experiments were conducted on juveniles (length<90mm) on the SE of the ... determined by the catch in number of fish. The catch was constituted of P. antarcticum for more than 95% in ...
Meeting Document : SG-ASAM-09/10 : Auteur(s): M. Azzali, I. Leonori, I. Biagiotti, A. De Felice, M. Angiolillo, M. Bottaro and M. Vacchi (Italy)
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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 ... /beginning of the 1990’s. Since the early 1990’s, most species appeared to have changed little in abundance ... , and followed primarily fluctuations in year-class strength and the environment. However, stocks of ...
Meeting Document : WG-FSA-00/14 : Auteur(s): K.-H. Kock (Germany) and C. Jones (USA)
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China’s plan for marine investigation and assessment in the East Antarctic sector
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 ... SC-CAMLR on the marine living resources and the ecosystem in this region, including in the process of ... Abstract: Given the large scale and hostile condition of the Southern Ocean, which accounts for ...
Meeting Document : CCAMLR-38/BG/53 : Auteur(s): Delegation of the People’s Republic of China
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Draft integrated stock assessment for the Heard Island and McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2
than that obtained in 2017, with an MCMC estimate of 70 519 tonnes (95% CI: 65 634- 76 626 tonnes). The ... predicted drop in SSB status by 2021, the time of the next stock assessment, was largely independent of the ... the end of 2019 and observations until the end of 2018. The updated assessment model is based on the ... best available estimates of model parameters, the use of abundance estimates from a random stratified ...
Meeting Document : WG-FSA-2019/32 : Auteur(s): P. Ziegler
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Precautionary measures for a new fishery on Martialia hyadesi (Cephalopoda, Ommastrephidae) in the Scotia Sea: an ecological approach
Abstract: In anticipation of the development of a new fishery for the oceanic squid Martialia ... hyadesi in the Scotia Sea a revision is presented of annual consumption of the species by higher predators ... Georgia in June 1996, under the auspices of CCAMLR, provide the basis for assessing realistic potential ... and a brief review is provided of information about the life cycle and distribution obtained from ...
Meeting Document : WG-FSA-96/20 : Auteur(s): Rodhouse, P.G.
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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 ... . Based on the amount of toothfish found in the 8 km long section of net retrieved, upwards of 29 tonnes ... gillnets. However these figures are likely to be underestimates of total mortality in gillnets, due to the ... evidence of large numbers of sea-lice depredated fish in the net. Author(s): Snowdon, D., Hamill, J ...
Meeting Document : TASO-09/10 : Auteur(s): Snowdon, D., Hamill, J., McEachan, F., Welsford, D.
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Detecting trends in the krill fishery
stocks is of limited value in plotting trends in the fishery at its current level. Predictions by Members ... generally available in the Scientific Committee. Technological information may provide early warnings of ... recorded patents. These patents reveal some trends in the development of products using krill. Complete ... Abstract: The development of the krill fishery can be monitored and predicted using a number of ...
Meeting Document : WG-EMM-02/25 : Auteur(s): S. Nicol and J. Foster (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
Japanese trotline system showed the captures of an adequate number of single-hooked fish in a state ... . I changed the base model from that used in WG-SAM-13/21 which assumed estimated variability of YCS ... occurrence was conservative. Fits of tag data were a little improved compared to those in the WG-SAM-13/21 in ... the base model. However, there was some evidence of lack of convergence in MCMC posterior trace and in ...
Meeting Document : WG-FSA-13/35 : Auteur(s): K. Taki (Japan)
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Krill distribution pattern due to water structure and dynamics near the South Sandwich Islands in January–February 2000 (Krill Synoptic Survey 2000)
: waters of Antarctic Circumpolar Current, Weddell Sea and Secondary Frontal zone of Weddell Gyre. The ... schematic maps of geostrophic waters circulation are made. The joint analysis of environment parameters and ... length frequency, maturity stages and waters inhabited. Distribution of the 1st krill group (juveniles 25 ... -29 mm) well corresponds to meanders of Weddell Current to West of archipelago and distribution of the ...
Meeting Document : WG-EMM-00/33 : Auteur(s): V. Sushin, P. Chernyshkov, V. Shnar, F. Litvinov and K. Shulgovskiy (Russia)
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Assessment models for Patagonian toothfish in research block 58.4.4b_1 (SSRU 58.4.4bC) for the years 1990-2014
assessments of Dissostichus eleginoides in the research block 58.4.4b_1 following the recommendation of the WG ... estimates of OB_1b model (OB_1b_noage model). The fits to CPUE in 2008 and MPD profiles for tags in the same ... first research in 2008. The removal of 2008 CPUE data improved the CPUE fits in OB_1b model. The fix of ... size of fish available for catches in this area. The OB_1b_notag model did not improve any fits of ...
Meeting Document : WG-SAM-15/25 : Auteur(s): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)