Résultats de la recherche
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Investigations on midwater trawling for krill (Euphausia superba) in the Southern Ocean
Area 58 in the Indian Ocean Sector of Southern Ocean, during the First Indian Antarctic Krill ... hauls were made using a 2.5 m Isaacs-Kidd Midwater Trawl (IKMT) in the area 59°00’-61°08' S lat; 30 ... °04'-40°04' E long, from 27 January to 12 February 1996. In the area of operations, krill ... long. Krill were present in 33.3 per cent of the total number of hauls taken. Major species obtained ...
Meeting Document : WG-EMM-98/38 : Auteur(s): M.R. Bhoopendranath, M.K.R. Nair, A. Anrose and V.C. George (India)
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Integrating Climate and Ecosystem Dynamics in the Southern Ocean (ICED) programme: developing links between ICED and CCAMLR
Abstract: Integrating Climate and Ecosystem Dynamics in the Southern Ocean (ICED) is a regional ... programme of the Integrated Marine Biogeochemistry and Ecosystem Research (IMBER) Programme and is closely ... analyses to improve our understanding of change and the implications for Southern Ocean ecosystems and for ... been made in understanding the structure and functioning of ecosystems, modelling species and food webs ...
Meeting Document : WG-EMM-16/22 : Auteur(s): E. Murphy, R. Cavanagh, N. Johnston, E. Hofmann and A. Constable
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Joint research proposal for the Dissostichus spp. exploratory fishery in East Antarctica (Divisions 58.4.1 and 58.4.2) by Australia, France, Japan, Republic of Korea and Spain
-16 para. 3.12). The Working Group also requested that measurable research milestones be developed to ... progress an assessment of toothfish stock/s in the area (WG-SAM-16 para. 3.13). We present here an updated ... research proposal including the research plans of Australia (WG-SAM-16/09), France (WG-SAM-16/01 & 16 ... /02), Japan (WG-SAM-16/04 & 16/05), Republic of Korea (WG-SAM-16/17) and Spain (WG-SAM-16/10). The ...
Meeting Document : WG-FSA-16/29 : Auteur(s): Delegations of Australia, France, Japan, Republic of Korea and Spain
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Using carapace measurements to determine the sex of Antarctic krill (Euphausia superba)
Antarctic fur seal diet. The discriminant function currently used to determine sex, and the sex-specific ... populations. The equations have been applied to fur seal diet studies in the South Shetlands but until now ... validating the use of discriminant functions to determine sex of krill based on carapace length and width and ... independently derives sex-specific regression models for krill collected in the South Shetlands. Allometric ...
Meeting Document : WG-EMM-05/26 : Auteur(s): J.D. Lipsky, M.E. Goebel, C.S. Reiss and V. Loeb (USA)
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New data on Antarctic toothfish and some others by-catch fishes fecundity with gonads histological pictures from Ross Sea region and data on Patagonian toothfish from the Argentina Sea
Abstract: Results of samples’ processing fixed from Sub-area 88.1 in the 2003-2004 season aboard ... f/v «Yantar» operating in the Exploratory Fishery were presented. According to the results of ... it was ascertained that intermittent oogenesis type and synchronic development of the nearest ... the predominant part of pre-spawning individuals was concentrated over isolated sea mountains to the ...
Meeting Document : WG-FSA-05/28 : Auteur(s): V.G. Prutko and L.A. Lisovenko (Russia)
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The BROKE-West acoustic krill biomass survey of CCAMLR Division 58.4.2
krill in CCAMLR Division 58.4.2 (the South West Indian Ocean Sector) in January-March 2006. The survey ... limit can be established by CCAMLR.. The survey will be conducted from a single ship and will consist of ... 11 parallel transects between 30° and 80°E. The survey design was presented to WG-EMM for their ... comment in 1995 and suggested improvements have been incorporated into the final design. Author(s): S ...
Meeting Document : WG-EMM-05/11 : Auteur(s): S. Nicol, S. Kawaguchi, T. Jarvis and T. Pauly (Australia)
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Flexible foraging strategies of gentoo penguins help buffer the impacts of inter-annual changes in prey availability
single site, since flexible foraging habits would provide a buffer against changes in prey availability ... . We examined inter-annual changes in the foraging strategies and diet of gentoo penguins in the South ... Shetland Islands, Antarctica, over five years. Antarctic krill Euphausia superba was the primary diet item ... , and fish the secondary, though the importance of these items varied among years. Diving behavior also ...
Meeting Document : WG-EMM-08/50 : Auteur(s): A.K. Miller and W.Z. Trivelpiece (USA)
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An overview and some preliminary results of a biological/oceanographic survey off the coast of East Antarctica (80-150°e) carried out in January to March 1996
Abstract: A major biological/physical survey of the waters off East Antarctica was carried out ... between January and April 1996. The focus was on the distribution and abundance of Antarctic krill in ... oceanographic and biological variables over the entire survey area. This paper summarises the range of variables ... preliminary results of a biological/oceanographic survey off the coast of East Antarctica (80-150°e) carried ...
Meeting Document : WG-EMM-96/29 : Auteur(s): de la Mare, W., Wright, S., Bindoff, N., Thiele, D., Pauly, T., Gillespie, D., Woehler, E., Nicol, S.
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Estimation of the 2011 catch limit for mackerel icefish (Champsocephalus gunnari) in Subarea 48.3 using a length-based population dynamics model
Abstract: A length based projection model is employed to estimate catch limits for the 2011/12 ... fishing season for Champsocephalus gunnari in CCAMLR sub area 48.3. The model is initialised using ... estimated numbers at length derived from survey length density and biomass density data, removing the need ... for cohort identification associated with the age based projection model used in previous assessments ...
Meeting Document : WG-FSA-10/37 : Auteur(s): C.T.T. Edwards, R.E. Mitchell, J. Pearce and D.J. Agnew (UK)
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Preliminary stock assessment of Patagonian toothfish (Dissostichus eleginoides) in the vicinity of Crozet islands (part of subarea 58.6)
Abstract: A preliminary assessment is undertaken to increase the knowledge of the Patagonian ... show different estimates for the initial and current biomass. A range of 55000 to 115000 tons is ... observed for B0 estimates and SSB never fall below 70% of the initial biomass considering the actual level ... Patagonian toothfish (Dissostichus eleginoides) in the vicinity of Crozet islands (part of subarea 58.6 ...
Meeting Document : WG-FSA-13/05 : Auteur(s): R. Sinegre and G. Duhamel (France)