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A spatial multi-species operating model of the Antarctic Peninsula krill fishery and its impacts on land-breeding
Abstract: An updated version of the Spatial Multi-species Operating Model (SMOM) of krill ... advice regarding the subdivision of the precautionary catch limit for krill among 15 small-scale ... management units (SSMUs) in the Scotia Sea, to reduce the potential impact of fishing on land-based predators ... penguin and seal predators; and 3) Addition of an alternative movement model based on the results from the ...
Meeting Document : WG-SAM-07/12 : Автор(ы): É.E. Plagányi and D.S. Butterworth (South Africa)
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Last investigations of Ukraine in Antarctica connected with assumed marine protected area
Abstract: Description of some biological and ecological investigations of Ukraine in Antarctica ... in vicinity of Argentine Islands Archipelago are presented. Main activity: investigations of birds ... variations study of the atmosphere ozonedepleting organic halides, study of the ice caps and glaciers ... dynamics, influence on environment pollution. Author(s): Delegation of Ukraine Title: Last investigations ...
Meeting Document : WG-EMM-06/33 : Автор(ы): Delegation of Ukraine
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Relationships of Antarctic krill (Euphausia superba Dana) variability with westerlies fluctuations and ozone depletion in the Antarctic Peninsula area
Abstract: The assessment of environmental processes controlling variability of Antarctic krill ... variability of krill recruitment and stock density with hypothesised environmental factors. We demonstrated ... meaning strong westerly winds coincided with good levels of krill recruitment in 1981182 (austral summer ... season), 1987/88 and 1990/91, while the years of extremely low values meaning weak westerly winds ...
Meeting Document : WS-AREA 48-98/5 : Автор(ы): M. Naganobu, K. Kutsuwada, Y. Sasai and S. Taguchi (Japan)
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Histopathology of Antarctic krill, Euphausia superba, bearing black spots
Abstract: Small black spots have been noticed on the cephalothorax of Antarctic krill, Euphausia ... superba, since January, 2001. To study the nature of the black spots, the krill were sampled in the winter ... of 2003, 2006, and 2007 in the South Georgia region, the Antarctic Ocean. Histological observations ... revealed that the black spots were melanized nodules that were composed of hemocytes surrounding either ...
Meeting Document : WG-EMM-08/P09 : Автор(ы): S. Miwa, T. Kamaishi, T. Matsuyama, T. Hayashi and M. Naganobu
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Detailed distribution of krill fishing around South Georgia
Abstract: The distribution of kri!! harvesting effort and associated catch rates has previously ... only been available to the scientific community in the form of sub-area or fine-scale(0.5 ° latitude by ... 1 ° longitude) recorded statistics. Earlier analyses of these data have shown this was a shelf-break ... fishery over much of the Scotia Sea. Although these statistics give a general idea of where the fishery ...
Meeting Document : WG-EMM-96/64 : Автор(ы): Parkes, G., Everson, I., Trathan, P.N., Murphy, E.J.
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Size variations associated with abundance changes in juvenile Notothenia rossii observed at Potter Cove, South Shetland Islands, since the end of the fishery in the area
Abstract: Samp1es of fjord fish of the species N. rossii and N. neglecta collected at Potter Cove ... mean sizes of pre-recruit N. rossii was clearly observed along the whole sampling period. This was ... interpreted as a consequence of a significant reduction in the influx of the youngest age classes into inshore ... waters followed by the departure of the older (and more abundant) specimens offshore. These changes are ...
Meeting Document : WG-FSA-91/13 : Автор(ы): E. Marschoff and E. Barrera-Oro (Argentina)
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Target strength estimation of Antarctic krill, Euphausia superba by cooperative experiments with commercial trawlers
Abstract: An estimate of target strength of Antarctic krill, Euphausia superba was obtained by a ... series of cooperative experiments between research vessel and commercial krill trawler. Estimated target ... strength per 1g wet weight of Antarctic krill was-66.ldB a t the frequency of 200kHz. Average size of krill ... was 47.48mm and 0.873g. Author(s): Delegation of Japan Title: Target strength estimation of ...
Meeting Document : SC-CAMLR-VIII/BG/30 : Автор(ы): Delegation of Japan
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Results of the groundfish survey carried out in CCAMLR Subarea 48.3 in January 2010
vessel. Catch-weighted length frequencies of mackerel icefish indicated that although 3+ sized fish ... mean biomass of 52,329 tonnes was estimated for mackerel icefish, with a lower 1-sided 95% CL of 24,334 ... and low availability of krill to mackerel icefish in the area (evidenced by dietary analysis) in 2009 ... , this increase in biomass was unexpected. The importance of krill in the mackerel icefish diets was ...
Meeting Document : WG-FSA-10/38 : Автор(ы): R.E. Mitchell, M. Belchier, S. Gregory, L. Kenny, J. Nelson, J. Brown and L. Feathersone (UK)
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The spawning dynamics of Patagonian toothfish in the Australian EEZ at Heard Island and the McDonald Islands and their importance to spawning activity across the Kerguelen Plateau
industry conducted a joint project to study the reproductive dynamics of Patagonian toothfish (Dissostichus ... available for 12 563 individuals. The histology of male and female gonads was also analysed from specimens ... latitudinal range along the deep slope of the Kerguelen Plateau. A comparison of macroscopic staging of gonad ... resting mature animals (as confirmed by the presence of post-ovulatory follicles) from first maturing ...
Meeting Document : WG-FSA-12/P08 : Автор(ы): D.C. Welsford, J. McIvor, S.G. Candy and G.B. Nowara
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Comparison of catches for toothfish in 58.4.1, 58.4.2, and 48.6 from vessels with anomalous CPUE
vessels in data-poor exploratory fisheries (Delegation of Korea 2013). That paper requested that the data ... Abstract: An accurate history of catch is an important input into the assessment of toothfish ... stocks, and uncertainty or bias in the amount of catch from an area must be taken into account in the ... assessment of a stock. In 2013, Korea held a workshop on the anomalous CPUE data reported from some Korean ...
Meeting Document : WG-FSA-13/57 Rev. 1 : Автор(ы): A. Dunn, B.R. Sharp (New Zealand), C. Darby (United Kingdom) and O.R. Godø (Norway)
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