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ON THE STRATOSPHERE OZONE DISTRIBUTION ASYMMETRY POSSIBLE IMPACT ON KRILL BASED ECOSYSTEM
Abstract: Besides the climate change impact on krill based ecosystem uncertainties the factors of ... the ozone distribution asymmetry influence over South Ocean is discussed. The existence of the ... considerable zonal asymmetry in total ozone distribution over Antarctica due to the planetary waves in a polar ... stratosphere is observed last decades. As was shown by authors earlier in the latitudinal interval of 55-75°S ...
Meeting Document : WG-EMM-09/36 : Автор(ы): G. Milinevsky (Ukraine)
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CONVENORS’ REPORT OF THE WG-IMAF WORKSHOP
Abstract: This paper reports on the one-day workshop held at the CCAMLR Headquarters, Hobart ... , Australia on 10th October 2008 to review the future of the ad hoc WG-IMAF. The workshop briefly reviewed the ... history of ad hoc WG-IMAF and considered the current work programme of CCAMLR with respect to the current ... and future role of ad hoc WG-IMAF. The workshop briefly considered future scenarios under which it ...
Meeting Document : WG-FSA-08/65 : Автор(ы): K. Rivera and N. Smith (Co-conveners of ad hoc WG-IMAF)
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DEFINING TAG RATES AND TACS TO OBTAIN SUITABLY PRECISE ABUNDANCE ESTIMATES FOR NEW AND EXPLORATORY FISHERIES IN THE CCAMLR CONVENTION AREA
. With respect to the tagging-based abundance estimator, we use the Lincoln-Petersen method and derive a ... formula that gives the expected coefficient of variation of the abundance estimate in terms of the number ... of releases and recaptures, which can in turn be expressed in terms of the tagging rate per tonne ... caught, the catch taken and the postulated underlying exploitable biomass. This relationship is shown to ...
Meeting Document : WG-SAM-08/06 : Автор(ы): R.M. Hillary (UK)
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By-catch of fish during a 1995/96 deep-sea longline experimental fishing cruise off the Kerguelen Islands (Division 58.5.1)
the deep-sea zone (300- 1700 m) off the Kerguelen islands (Division 58-5-1) from February to April ... 1996. The by-catch has been identified with 10 species of fish reaching a important part (36,1%) of the ... total catch in number. The grenadier Macrourus carinatus and two species of skates Bathyraja eatonii and ... Bathyraja irrasa are the dominant species in the by-catch. The morid Antimora rostrata is also a common by ...
Meeting Document : WG-FSA-96/36 : Автор(ы): Pruvost, P., Duhamel, G.
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Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Bird Island, South Georgia during the 1993 winter and 1993/94 pup-rearing season
the fourth consecutive winter and sixth consecutive summer at Bird Island, South Georgia. In the 1993 ... winter the number of entangled seals was only 39% of the record 1992 total, but still 5 times the numbers ... in 1990 and 1991. Nearly all animals were juveniles, half with severe injuries and the proportion of ... females (40%) was the highest yet reported. The proportion of animals entangled in packaging bands was the ...
Meeting Document : SC-CAMLR-XIII/BG/03 : Автор(ы): Delegation of United Kingdom
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Estimation of the biomass of krill in Prydz Bay during January/February 1991, February/March 1992 and January/ February 1993 using echo integration
Abstract: Hydroacoustic surveys of the abundance of krill (Euphausia superba) in the Prydz Bay ... region were undertaken in January/February 1991, February/March 1992 and January/February 1993. The ... surveys indicated some association of krill with the shelf break in the western part of the survey area ... and the centre of the Prydz Bay region but also found that the shelf break was in general not a region ...
Meeting Document : WG-Krill-94/21 : Автор(ы): T. Pauly and I. Higginbottom (Australia)
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Research plan for the exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1, 58.4.2 and Subarea 48.6 in 2014/2015 (including CTD data in 88.1, 88.2)
Abstract: Most things related to Dissostichus spp. in the eastern side of Antarctic has not been ... known well as namely the area is data poor areas. In the Division 58.4.1 there are two stocks; one ... extends from the SSRU 58.4.1C to the SSRU 58.4.2A, and the other one to the SSRU 58.4.1H. The population ... SSRU in 58.4.2. During the 2004-2014 fishing seasons in Division 58.4.1, 58.4.2 and Subarea 48.6 ...
Meeting Document : WG-SAM-14/21 : Автор(ы): Delegation of the Republic of Korea
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Research plan for the exploratory fisheries for Dissostichus spp. in Division 58.4.1 in 2014/15
the latest CCAMLR C2 and observer data toward the development of research plan for the 2014/15 ... exploratory fishery of Dissostichus mawsoni in Subarea 58.4.1. The stock sizes for five research blocks ... (5841_1, 5841_2, 5841_3, 5841_4 and 5841_5) were estimated by the Petersen estimator and the CPUE x seabed ... the CPUE method recommended at the last WG-FSA meeting. The stock size using the Petersen estimator ...
Meeting Document : WG-SAM-14/02 : Автор(ы): Delegation of Japan
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Revised research plan for the exploratory longline fishery for Dissostichus spp. in 2015/16 in Division 58.4.3a
Abstract: In Division 58.4.3a, since 2012, research fishing has been conducted in the research ... block by two vessels using longlines: Shinsei Maru No. 3 (Japan) and the Saint André (France). The catch ... limit for Dissostichus spp. is 32 tonnes and the total reported catch up in 2013/2014 was 32 tonnes ... . France notified its intention to continue its exploratory fishery over the coming years in order to ...
Meeting Document : WG-SAM-15/11 : Автор(ы): Delegation of France
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A critical issue for feedback management – how do we determine the level of functional overlap between krill fishing operations and penguin foraging activity?
Abstract: The spatial distribution of the Antarctic krill fishery in Subareas 48.1 to 48.3 has ... changed over time. The majority of catches in Subarea 48.1 are now taken south of the South Shetland ... Islands, following regional decreases in seasonal sea-ice cover. As the cumulative spatial footprint of ... the fishery has expanded along the West Antarctic Peninsula, the cumulative numbers of krill-eating ...
Meeting Document : WG-EMM-15/11 : Автор(ы): P.N. Trathan, J.R.D. Silk, S.L. Hill (United Kingdom) and H.J. Lynch (USA)
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