Résultats de la recherche
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Mackerel icefish size and age at South Georgia and Shag Rocks
(Spring). Mean total lengths (TL) of age-classes were determined for each year by examining length ... of age-classes were standardized to a common day of the year (16 January) based on the Bertalanffy ... modality in the length-frequency distributions. Lengths of age-classes derived by these two methods were ... not statistically different. Age-class 1 was found for all surveys at South Georgia but was absent for ...
Meeting Document : WG-EMM-03/7 : Auteur(s): A.W. North (United Kingdom)
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LETTER TO DRS REID, WATTERS AND JONES IN REGARD TO “DISAPPEARANCE OF TOOTHFISH FROM MCMURDO SOUND”
for more than 300 person-years, and in the process have gained considerable knowledge about the Ross ... and the southern Ross Sea, and recommendations for restoration.” We are concerned that this is the ... first sign that the Ross Sea ecosystem is being irreparably altered, and the 40-50 year time series of ... needs to be addressed without significant delay. Together we have worked in the Ross Sea and vicinity ...
Meeting Document : WG-EMM-08/20 : Auteur(s): D.G. Ainley, S.F. Ackley, K. Arrigo (USA), G. Ballard (New Zealand), J.P. Barry (USA), L. Blight (Canada), P. Broady, B. Davison (New Zealand), P. Dayton, A.L. DeVries, K. Dugger, J.T. Eastman, S.D. Emslie (USA), C. Evans (New Zealand), R.A. Garrott, G. Hofmann, S. Kim, G. Kooyman, S.S. Jacobs (USA), G. Lauriano (Italy), A. Lescroël (France), D.R. MacAyeal (USA), M. Massaro (New Zealand), S. Olmastroni (Italy), P.J. Ponganis (USA), E. Robinson (New Zealand), D.B. Siniff, W.O. Smith (USA), I. Sti
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Commentaires et propositions concernant la mise en place de procédures de gestion de la pêcherie de krill dans la zone de la convention de la CCAMLR
recent years. An integral part of developing an FBM should be studying the risks of impact that methods ... under development for spatially distributing the catch will have on the fleet's performance ... Abstract: The development of a feedback management strategy for the krill fishery (feedback ... development of procedures for managing the krill fishery in the CCAMLR Convention Area Microsoft Word File: r ...
Meeting Document : SC-CAMLR-XXXIV/11 : Auteur(s): Делегация Российской Федерации
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Preliminary results of RV Dmitriy Stefanov researches in the Antarctic area of the Atlantic Ocean in April 1992
polygon of 30 x 30 miles in the fishing area northwestward of Coronation Island in 18-22 April,1992. The ... were obtained. The balance of krill transport from and into the polygon was calculated. The first two ... dublicates revealed the krill accumulation in the contour, and the second two showed the loss. The ... collect data on size and age composition of icefish, champsocephalus gunnari, green notothenia and ...
Meeting Document : WG-CEMP-92/33 : Auteur(s): L.G. Maklygin, V.N. Shnar, A.V. Remeslo, A.P. Malyshko, I.A. Trunov, I.A. Barabanov, V.P. Shopov (Russian Federation) and A.G. Shepelev (Ukraine)
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Report of the first SCAR-CCAMLR Joint Action Group meeting
topics/issues that are of common interest to SCAR and CCAMLR that could form an agenda for more effective ... SCAR and CCAMLR might implement to work together in a more strategic manner and identifying a series of ...
Meeting Document : WG-EMM-13/16 : Auteur(s): CCAMLR Secretariat and SCAR Executive Office
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Biodiversity of the benthos off Kerguelen Islands: overview and perspectives
have been neglected and understudied during the last 30 years. The Kerguelen Plateau, situated at the ... Abstract: The Kerguelen Plateau possesses a very diverse benthic fauna. Over the years, the ... climate forcing on coastal benthic assemblages; (2) assess the benthic community changes in relation to ...
Meeting Document : WS-MPA-11/P03 : Auteur(s): N. Améziane, M. Eléaume, L.G. Hemery, F. Monniot, A. Hemery, M. Hautecoeur and A. Dettaï
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Seabird mortality in the Patagonian toothfish longline fishery around the Prince Edward Islands, 1996–2000
Abstract: Sanctioned longline fishing for Patagonian toothfish around the Prince Edward Islands ... , Unregulated and Unreported (IUU) fishing. Independent fishery observers accompanied all but two sanctioned ... killed species. However, during the first year, when lines were set during the day and night, a ... on seabirds. Overall, white-chinned petrels Procellaria aequinoctalis were by far the most frequently ...
Meeting Document : WG-FSA-01/8 : Auteur(s): D.C. Nel, P.G. Ryan and B.P. Watkins (South Africa)
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A review and update of krill biomass trends in the South Shetland Islands, Antarctica, using the simplified stochastic wave born approximation
compared. Biomass estimates from the two algorithms are highly correlated (>0.95), with identical CV’s ... of analysis, to better account for process and model error structure, now that a physically based ... (Euphausia superba) between 1997 and present. Over the last five years proportional recruitment as been ... . Use of acoustic windows based on the range of krill size increases variability in biomass estimates ...
Meeting Document : WG-EMM-06/32 : Auteur(s): C.S. Reiss and A.M. Cossio (USA)
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Stable isotope analysis of tissue samples to investigate trophic linkages of Antarctic toothfish (Dissostichus mawsoni) in the Ross and Amundsen Sea regions
, but δ 13 C for toothfish were similar in the two areas. The reason for this difference is as yet ... there for less than a year. Author(s): M.H. Pinkerton, S.J Bury, J.C.S. Brown, J. Forman and A ... N and fish length, region, and year: (1) on average, larger toothfish fed on prey of higher trophic ... analysed, but only from the Ross Sea region. Appropriate corrections were made to account for the effect of ...
Meeting Document : WG-EMM-14/50 : Auteur(s): M.H. Pinkerton, S.J Bury, J.C.S. Brown, J. Forman and A. Kilimnik (New Zealand)
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Diseases outbreak threatens Southern Ocean albatrosses
for the Southern Ocean environment is today considered to be fishing activities, and especially ... controversial long-lining that is assumed to be the cause for the major decline of albatrosses and petrels ... observed recently. Here we show that two highly pathogenic diseases (worldwide spreading avian cholera ... world raises major concern for the conservation of the Southern Ocean environment. Author(s): H ...
Meeting Document : WG-EMM-03/32 : Auteur(s): H. Weimerskirch (France)