Résultats de la recherche
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Consumption estimates for male Antarctic fur seals at the South Orkney Islands during the post mating migration
for the need of male fur seals to recover condition during this time after fasting during the mating ... Abstract: The estimates of fur seal consumption of krill in subareas 48.1 to 48.3 which have been ... used in ecosystem modelling and CCAMLR’s risk assessment approach, are based on the distribution of fur ... their biomass is orders of magnitude less than those of penguins. As a result the estimates of fur seal ...
Meeting Document : WG-EMM-18/10 : Auteur(s): I. Staniland and S. Hill
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On the problem of diurnal migrations of some fish species on the South Georgia shelf (Subarea 48.3)
close to the bottom by daylight and were not caught within the pre-bottom layer. At night (after the ... Abstract: The results of experiments on the South Georgia Shelf carried out in the period of 1986 ... . The most representative data were obtained for Ch.gunnari and N.larseni. The vertical migration trend ... was the most distinctive in Ch.gunnari fry. The individuals used to ascend towards the water column ...
Meeting Document : WG-FSA-99/64 : Auteur(s): I.A. Trunov, J.A. Frolkina and M.P. Konstantinova (Russia)
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Distribution and possible areas of spatial mixing of two stocks of humpback whales, a krill predator, in the Indo-Pacific region of the Antarctic revealed by genetic analyses
stocks have shown sign of recovery after heavy commercial exploitation in the last century. Information ... Abstract: The main purpose of this study was to investigate the distribution and areas of mixing ... of two stocks of the humpback whale, a krill predator, in the Indo-Pacific region of the Antarctic ... on distribution and areas of mixing in the Antarctic feeding grounds is essential to assist the ...
Meeting Document : WG-EMM-2019/67 : Auteur(s): L.A. Pastene, M. Goto, M. Taguchi and K. Matsuoka
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Surface water masses, primary production, krill distribution and predator foraging in the vicinity of Elephant Island during the 1989-90 austral summer
identified as the western end of the Weddell-Scotia Confluence. Krill abundance increased approximately 5 ... Abstract: Four successive surveys of the pelagic marine environment were conducted over a 100-by ... were collected to describe the thermohaline structure, the distribution of phytoplankton biomass and ... primary productivity, the distribution and demography of krill, and the foraging patterns of krill ...
Meeting Document : WG-CEMP-90/11 : Auteur(s): A.F. Amos, J.L. Bengtson, O. Holm-Hansen, V.J. Loeb, M.C. Macaulay and J.H. Wormuth (USA)
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Contribution to the early life history of Channichthyidae from the Bransfield Strait and South Georgia
reported by Sosinski /1981/ and Kochkin /1982/, reaching in April, at the end of a summer season, the total ... examined. Their postlarvae and juveniles were found numerously in krill catches in the Scotia Sea area ... Chaenocephalus- were collected at the H. Arctowski Station /King George I., South Shetland Is./•from January 1979 ... to March 1980 /Fig. 1/. Length frequency distributions of the above-named species were usually ...
Meeting Document : CCAMLR/86/FA/08 : Auteur(s): W. Ślósarczyk (Poland)
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Summary of the toothfish fishery and tagging program in the Amundsen Sea region (SSRUs 882C–H) to 2017/18
Abstract: The Amundsen Sea region toothfish fishery has been operating since 2003. In 2015, a ... research plan was developed to estimate the toothfish biomass the area, particularly in the South. The ... biological characterisation of the fishery shows a truncation of the right-hand limb of the age distribution ... toothfish in the ASR be made a priority to develop annual age-length keys and age frequencies. We further ...
Meeting Document : WG-FSA-18/36 : Auteur(s): S. Mormede and S. Parker
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Seabird by-catch in the Patagonian toothfish longline fishery at the Prince Edward Islands: 1998–1999
primarily linked to daytime sets, with most birds caught in the late afternoon or shortly after dusk. Use of ... Abstract: Longline fishing for Patagonian toothfish Dissostichus eleginoides in the South African ... Exclusive Economic Zone around the Prince Edward Islands commenced in 1996. This paper summarises seabird ... bycatch during the year July 1998-June 1999. Data on seabird bycatch were obtained from fishery observers ...
Meeting Document : WG-FSA-99/42 Rev. 1 : Auteur(s): P.G. Ryan and B.P. Watkins (South Africa)
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Evaluation of the effects of illegal, unregulated and unreported (IUU) fishing on the legal catch of fisheries for Dissostichus eleginoides
tonnes. The IUU catches are applied with the legal catch limit being adjusted each year after the IUU ... , Dissostichus eleginoides, that can be sustained over the generation time of the species, maintaining the ... population at a productive level with only a small chance of become depleted. The increasing levels of ... illegal, unregulated and unreported (IUU) fishing for toothfish in the CCAMLR area threatens the success ...
Meeting Document : WG-FSA-02/69 : Auteur(s): A.J. Constable (Australia)
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Report of the 1995/96 Japanese Whale Research Programme Under Special Permit in the Antarctic (JARPA) in Area IV and eastern part of Area III
. Survey in the eastern part of Area III was conducted before and after the survey in the entire Area IV ... Abstract: The ninth survey of the Japanese Whale Research Programme Under Special Permit in the ... Antarctic (JARPA) was carried out in the Antarctic Area IV (south of 60° S between 70°E and 130°E) and ... eastern part of Area In (south of 60° S between 35°E and 70°E). The survey was conducted for 118 days ...
Meeting Document : WG-EMM-96/48 : Auteur(s): Yuzu, S., Ishikawa, H., Mogoe, T., Kawasaki, M., Hishii, T., Shimamoto, K., Tohyama, D., Nibe, H., Taguchi, F., Hidaka, H., Ono, K., Yamashiro, K., Yoshida, T., Tamura, T., Nishiwaki, S.
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Distribution, morphology, growth, reproduction, diet and trophic position of two species of grenadier (Macrourus whitsoni and M. caml) in the Ross Sea region of the Southern Ocean (CCAMLR Subareas 88.1 and 88.2)
than pre-anal length (PAL), even after catching fish on longlines, freezing and rethawing. On the broad ... Abstract: We present the first differentiated information on the biology and ecological niche of ... Macrourus whitsoni and M. caml in the Ross Sea region of the Southern Ocean. Fish were caught by New Zealand ... vessels in the fishery for Antarctic toothfish (Dissostichus mawsoni) between December 2011 and February ...
Meeting Document : WG-FSA-12/54 Rev. 1 : Auteur(s): M.H. Pinkerton, P. McMillan, J. Forman, P. Marriott, P. Horn, S. Bury and J. Brown (New Zealand)