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New data on spawning, hatching and growth of the Kerguelen Islands Champsocephalus gunnari shelf stock
programme allows to identify each year, both from the ichthyoplanktonic surveys and bottom trawlings, an ... Abstract: Combined studies on the inner shelf and outer shelf of the Kerguelen islands (1989/90 ... to 1992/93) provides new informations about Champsocephalus gunnari stock. An inner shelf quaterly ... in the samples along the study. It would explain the previouly observed three years cycle. Spawners ...
Meeting Document : WG-FSA-94/9 Rev. 1 : Автор(ы): G. Duhamel (France)
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A re-analysis of the Kerguelen Shelf and Skiff Bank stocks of Champsocephalus gunnari
for the Age 2 Kerguelen Shelf stock, an order of magnitude lower than that calculated from a biomass ... -frequency data for the years 1981 to 1990. Cohort analysis yielded a Stock Biomass of 22 711 tonnes in 1988 ...
Meeting Document : WG-FSA-90/17 : Автор(ы): G. Duhamel (France) and D.J. Agnew (Secretariat)
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The recent decline in recruitment of Gobionotothen gibberifrons in the South Shetland Islands (CCAMLR Subarea 48.1)
Shetland Islands ceased after the 1989/90 season. One of the larger and most abundant species in the area ... ’s. In 2012, the proportion of immature fish (<30 cm) in the population was less than 10 ... caused a number of years of very low recruitment around Elephant Island and the lower South Shetland ...
Meeting Document : WG-FSA-12/20 : Автор(ы): K.-H. Kock (Germany) and C.D. Jones (USA)
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A PRELIMINARY BALANCED TROPHIC MODEL OF THE ECOSYSTEM OF THE ROSS SEA, ANTARCTICA, WITH EMPHASIS ON APEX PREDATORS
toothfish. A survey of the available literature and both published and unpublished data provided an initial ... Sea as a step towards investigating ecosystem effects of the fishery for Antarctic toothfish ... (Dissostichus mawsoni). The model has 30 trophic groups representing all the major biota of the Ross Sea. Many ... , exports), energetics (growth, reproduction, consumption), and trophic linkages (diets, key predators) for ...
Meeting Document : WG-EMM-08/42 : Автор(ы): M.H. Pinkerton, J.M. Bradford-Grieve and S.M. Hanchet (New Zealand)
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Further development of pairwise tag detection performance index and its application to the stock assessment of toothfish in the Ross Sea fishery
algorithm, more than 90% of all tags released and recaptured were selected for inclusion. We recommend this ... Abstract: Tag release and recapture data are used in integrated age-structured stock assessments ... ) could lead to an over-estimate of the stock biomass. In this paper we develop further an index of vessel ... -specific tag detection performance for the Ross Sea fishery using a case-control methodology which controls ...
Meeting Document : WG-SAM-13/34 : Автор(ы): S. Mormede (New Zealand)
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Interannual variability in Antarctic krill (Euphausia superba) density at South Georgia, Southern Ocean: 1997 – 2013
the WCB in that year. WCB krill density (µ, mean density for the area) showed several years (1997-8 ... , 2001-2003, 2005-2007) of high values (µ > 30 g m-2) interspersed with years (1999-2000, 2004, 2009 ... estimates for a 17 year time series of acoustic surveys of the Western Core Box at South Georgia. Krill ... . Hence, only the densest krill swarms detected in any one year drove the mean krill density estimates for ...
Meeting Document : WG-EMM-14/P04 : Автор(ы): S. Fielding, J. Watkins, P. Trathan et al.
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Proposed initiative to contribute to Ross Sea region MPA research and monitoring activities using pop-up satellite tags and otolith chemistry on Dissostichus mawsoni
Abstract: An initiative to support research and monitoring of the Ross Sea Region Marine ... is to deploy a total 20 pop-off satellite tags (PSAT) on juvenile toothfish within the General ... survey to monitor abundance of Antarctic toothfish in the southern Ross Sea in 2018/19 (Stevens et al ... ., 2018), and a winter longline survey of Antarctic toothfish in the northern region of Subareas 88.1 and ...
Meeting Document : WS-SM-18/16 : Автор(ы): C.D. Jones
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Infectious diseases of Antarctic penguins: current status and future threats
increase over the last 50 years. However, issues of data not being published and a lack of formal risk ... , potentially due to an infectious agent, is affecting Adélie penguins (Pygoscelis adeliae) on Ross Island. This ... valuable as indicators of the status of marine ecosystem health and are an indicator-species used in the ... on these birds. Long-term disease studies would therefore be useful as an adjunct to aid in ...
Meeting Document : WG-EMM-14/53 : Автор(ы): W.W. Grimaldi, P.J. Seddon, P.O.B. Lyver, S. Nakagawa and D.M. Tompkins (New Zealand)
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Survey results on abundance and biology of toothfish in Division 58.4.3b by Shinsei maru No.3 during 2006/07–2011/12 and proposal of the consecutive survey in 2012/13
. Predicted CPUE (catch/km) for D. eleginoides and D. mawsoni varied with years but showed no upward and ... , suggesting that Banzare Bank is one of important spawning grounds for D. mawsoni. On the other hand, such an ... tonnes seems to be appropriate for the 2012/13 survey. We aimed the establishment of CASAL catch-at-age ... information for the stock status and biology of toothfish in the Division 58.4.3b (Banzare Bank), using a ...
Meeting Document : WG-FSA-12/56 : Автор(ы): K. Taki, T. Iwami, M. Kiyota and T. Ichii (Japan)
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REPORT OF SANCTIONS APPLIED BY SPAIN
-mentioned company liable for its links with this vessel. On 12 May 2010, the General Secretary for the Sea ... suspension of all its permits and licenses for a period of two years, as well as being prevented from ... Abstract: Ministry for the Environment, Rural and Marine Affairs Executive Secretary CCAMLR ... obtaining loans, subsidies or government assistance during the same period, for its participation in illegal ...
Meeting Document : CCAMLR-XXIX/BG/37 : Автор(ы): Delegation of Spain
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