Résultats de la recherche
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Exploratory longline fishing around the Kerguelen Islands (Division 58.5.1). Description of the fishing effort; catchability and target size of Dissostichus eleginoides
previously by trawlers in the same area. This average length is comparable for the two successive fishing ... Abstract: During the 1990/91 and 1991/92 fishing seasons, two longliners carried out exploratory ... by trawlers. The vessel is equipped with an automatic longline baiter which has an efficiency of ... being extremely small (0,28%). Length frequency distributions (LFD) observed for Dissostichus ...
Meeting Document : WG-FSA-92/31 Rev. 1 : Auteur(s): G. Duhamel (France)
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Differences in distribution and population structure of krill (Euphausia superba) between penguin and fur seal foraging areas near Seal Island
Abstract: Shipboard tracking study for krill-eating predators (penguins and female fur seals) at ... while at shallower layer (20-50 m) at night. In the offshore foraging areas krill showed no diurnal ... vertical migration, staying close to the surface throughout the day. As for body size and maturity of krill ... were totally different between the two foraging areas. The reasons why the fur seal chose offshore ...
Meeting Document : WG-KRILL-92/27 : Auteur(s): T. Ichii, H. Ishii (Japan), J.L. Bengtson, P. Boveng, J.K. Jansen (USA) and M. Naganobu (Japan)
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Haul data analysis from the Polish krill fishery in 1997–1999
sub-areas 48.1 and 48.2. On average, the vessel made from 7 to 9.5 hauls daily which lasted an average ... February and June from 1997 to 1999 in statistical area 48. Records from each haul were used for analysis ... of 60-70 minutes. Differences in catch rates in various areas and years were observed. The highest ...
Meeting Document : WG-EMM-00/17 : Auteur(s): E. Jackowksi (Poland)
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The BROKE-West acoustic krill biomass survey of CCAMLR Division 58.4.2
Abstract: This document updates plans by Australia to conduct an acoustic biomass survey for ... 11 parallel transects between 30° and 80°E. The survey design was presented to WG-EMM for their ... is intended to produce a new estimate of B0 for this Division so that a revised precautionary catch ...
Meeting Document : WG-EMM-05/11 : Auteur(s): S. Nicol, S. Kawaguchi, T. Jarvis and T. Pauly (Australia)
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Bias in the estimation of krill yield from using a deterministic formulation of the median unexploited spawning biomass
Abstract: Two Monte Carlo simulation models are currently available to CCAMLR for estimating ... spawning biomass, SB0. The first model has been developed specifically for krill, the krill yield model ... ). The krill yield model uses a biased estimate of SB0 with a method for correcting this bias in the ... level of escapement. The generalised yield model uses an unbiased estimate of SB0 and, thus, requires no ...
Meeting Document : WG-EMM-97/45 : Auteur(s): de la Mare, W.K., Constable, A.J.
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The integrated Antarctic expedition of the YugNIRO in the season of 1989–1990: main results of the ichthyological studies
estimated on Rise "6230" (Storegg Bank), where some 30 thousand tons of fish concentrated over an ... Abstract: From the field material collected on the YugNIRO integrated expedition in the Indian ... Ocean sector of the Antarctic in the season of 1989-1990, information is presented in this paper on ... taken on the shelf of Antarctica, at Ob and Lena Seamounts (referred to as Banks in the Russian usage ...
Meeting Document : WG-FSA-90/39 : Auteur(s): A.K. Zaitsev, V.G. Prutko and V.N. Yakovlev (YugNIRO, USSR)
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Marine Protected Area planning by New Zealand and the United States in the Ross Sea region
achieve the aims of Article 2 of the Convention. CCAMLR has agreed a list of milestones for establishing ... for discussing appropriate methods by which further MPA planning should proceed. This paper describes ... proposals for the Ross Sea region. The paper also presents a detailed description of tools and methods by ... design and propose MPA scenarios on a regional basis. The 2011 CCAMLR MPA Workshop is intended to ...
Meeting Document : WS-MPA-11/25 : Auteur(s): B.R. Sharp (New Zealand) and G.M. Watters (USA)
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Fishing and conservation in southern waters
potential for direct competition between krill fisheries and krill-dependent predators. Potential impacts of ... recover recently. Precautionary catch limits for krill of 1.5 million tonnes for the Atlantic sector ... (Statistical Area 48), and of 390,000 tonnes for Statistical Division 58.4.2 in the Indian sector, were set in ... enforcement and data gathering programs. There is a growing recognition in CCAMLR of the need for preventative ...
Meeting Document : SC-CAMLR-XII/BG/11 : Auteur(s): Delegation of Germany
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Metabarcoding analysis of the stomach contents of the Antarctic toothfish (Dissostichus mawsoni) collected in the Antarctic Ocean
, indicating the quality of the DNA barcode database for the Antarctic Ocean was sufficient for molecular ... analysis, especially for fish species. A total of 19 species was identified from the stomach of D. mawsoni ... fish species, supporting the postulate that the major prey of D. mawsoni are fish. Two fish species ... that of previous studies). We also obtained genotypes of prey items by NGS analysis, identifying an ...
Meeting Document : WG-FSA-17/P03 : Auteur(s): T.-H. Yoon, H.-E. Kang, S. R. Lee, J.-B. Lee, G. W. Baeck, H. Park and H.-W. Kim
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A sentiment analysis of online content containing Antarctic krill fishing search terms
decisions. The Antarctic krill fishery is managed by the Commission for the Conservation of 14 Antarctic ... combination of recent increases in catches and perceived 16 negative environmental impacts of fishing for ... Antarctic krill has caused concern for the 17 future of krill populations among stakeholders and has ... resulted in an ongoing public debate. 18 The tenor of this debate is inevitably guided by access to ...
Meeting Document : WG-EMM-17/18 : Auteur(s): J. Barrett, K. Reid and J. Jabour