Résultats de la recherche
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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 ... areas of krill (≥250g/m2) were rather limited. In contrast, fur sea! foraging areas were formed in ... . 2-3 km in horizontal distance) of higher densities (≥250g/m2). In the inshore foraging areas krill ... showed a diurnal vertical migration, tending to be at deeper depth range (50-100 m deep) in the day time ...
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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The Secretariat review of the Strategic Plan, associated activities and outcomes
at last year’s meetings of WG-SAM and WG-FSA the Commission adopted a recommendation from the ... Abstract: At CCAMLR-XXIX, the Commission recommended that a staffing and salary strategy be ... included in the review of the Secretariat’s Strategic Plan and that SCAF consider the outcomes of that ... review at its meeting in 2011 (CCAMLR-XXIX, paragraph 3.5 and 3.10). In addition, following consideration ...
Meeting Document : WG-EMM-11/09 : Auteur(s): Secretariat
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Review of CCAMLR activities on monitoring marine debris in the Convention Area
at Bird Island and Signy Island, but have declined. The number of debris items found had increased in ... Abstract: The current status of national surveys on monitoring of marine debris and their impact ... 2004 (Bird Island) and 2005 (Signy Island and King George Island), but has since declined again at Bird ... Island (2005), Signy Island (2006) and King George Island (2006). The majority of items found were ...
Meeting Document : SC-CAMLR-XXV/BG/09 : Auteur(s): Secretariat
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Population assessment of Patagonian toothfish in Subarea 48.4 – 2011 update
catch at age model generates a yield of 52 tonnes based on CCAMLR decision rules. In 2006 the northern ... Abstract: In this paper we update the assessment of D. eleginoides in the northern half of ... Subarea 48.4 presented in 2010. The CASAL model is improved through the incorporation catch at age data ... , as an alternative to the catch at length data that were the only such data available in 2010. The ...
Meeting Document : WG-FSA-11/38 : Auteur(s): J. Roberts, R. Mitchell and R. Wakeford (United Kingdom)
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On the accuracy of the pellet analysis method to estimate the food intake in the Antarctic shag Phalacrocorax bransfieldensis
Phalacrocorax bransfieldensis was tested at two localities of the South Shetland Islands. F or such purpose, the ... results from the analysis of 226 and 115 pellets collected at Harmony Point and at Duthoit Point ... Abstract: The accuracy of correction factors estimated to compensate the digestion and loss ... through the gastrointestinal tract of the otoliths of fish represented in pellets of the Antarctic Shag ...
Meeting Document : WG-EMM-97/61 : Auteur(s): Casaux, R.
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On the problem of icefish (Champsocephalus gunnari) (Channichthyidae) and krill (Euphausia superba) interaction in the South Georgia area
the data of the national fishery. It is demonstrated that?.gunnari both at the early development ... stages and as adults utilize the pelagic forage resource, the bulk of which is constituted by krill. At ... Abstract: The interaction of icefish and krill in the South Georgia area has been analysed on the ... basis of the trawling, acoustic and juvenile fish surveys carried out by AtlantNIRO during 1986-2002 and ...
Meeting Document : WG-FSA-04/41 : Auteur(s): S.M. Kasatkina and Zh.A. Frolkina (Russia)
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Preliminary acoustic results from the New Zealand IPY-CAML survey of the Ross Sea region in February-March 2008
trawls were carried out at randomly selected locations over the shelf as part of the core biodiversity ... highest at 120 kHz), which is characteristic of species without an air-filled swimbladder. Acoustic target ... Ross Sea region in support of the International Polar Year Census of Antarctic Marine Life (IPY-CAML ... ). The 50 day voyage on the research vessel Tangaroa involved an extensive survey of marine organisms ...
Meeting Document : SG-ASAM-09/05 : Auteur(s): R. O’Driscoll, G. Macaulay, S. Gauthier, M. Pinkerton and S. Hanchet (New Zealand)
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Some aspects of the by-catch fish spawning and oogenesis
continental shelf at depth of 300-600 m during summer season (may be autumn for sp. X) of the southern ... Abstract: On the basis of the biological material collected on some by-catch fishes during ... Antarctic toothfish fishery from 2002 till 2008 in different areas of the Southern Ocean (Collaboration Sea ... , D'Urville, Ross and.mundsen Seas) it was established that spawning of C. dewitti and species X ...
Meeting Document : WG-FSA-10/51 : Auteur(s): V. Prutko (Ukraine) and D. Chmilevsky (Russia)
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Revised assessment models for Patagonian toothfish in research block C of Division 58.4.4, Ob and Lena Banks
arranged referring to WG-SAM-14/18 as follows: 1) catch at length/age models on the assumption of no IUU ... fishing occurrence (Len_1/AgeSing_1 models), 2) catch at length/age models with estimation of IUU catch ... Abstract: I made six sensitive runs of CASAL models (LENGTH/AGE_IUU_MODEL) for stock status ... assessments of Dissostichus eleginoides in research block C in Division 58.4.4 b following the recommendation ...
Meeting Document : WG-FSA-14/23 : Auteur(s): K. Taki (Japan)
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Morphometrics, maturity and movement of the Antarctic skates Amblyraja georgiana and Bathyraja eatonii in the Ross Sea
length at 50% maturity of male and female B. eatonii could not be accurately determined, but may be ... were significant differences between the two sexes: females are broader and heavier than males at ... sexes combined. It is probable that large females are larger and heavier than males of the same size ... . The regressions for these species should be used with caution. The length at 50% maturity for male A ...
Meeting Document : WG-FSA-02/42 : Auteur(s): M.P. Francis and N.W. McL. Smith (New Zealand)