Résultats de la recherche
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Larval fish distribution and abundance of the western Ross Sea
carried out in the western Ross Sea in November-December 1994. The present study focused on improvement of ... the knowledge of the larval fish community in relation to its distribution and relative abundance. A ... specimens of twentyone species belonging to six families (Artedidraconidae, Bathydraconidae, Channichthyidae ... abundance of larval fish in the whole area was about 2.7 specimens / 1000 m3 of sea water filtered. The ...
Meeting Document : WG-FSA-95/11 : Auteur(s): Greco, S., la Mesa, M., Vacchi, M.
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Diseases and parasites of penguins
Abstract: The study of diseases in wild penguins is important for the identification of endemic ... diseases and the detection of exotic diseases should these occur. It is also important in the understanding ... of the degree to which disease may be expected to influence the results of biological studies ... of disease particularly if it is at the sub clinical level. We present here a compilation of diseases ...
Meeting Document : WG-CEMP-94/35 : Auteur(s): J. Clarke and K. Kerry (Australia)
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The effects of CEMP monitoring procedures on Adelie penguin colonies
Abstract: The effects of flipper bands, implanted tags/gastric lavage and external instrument ... attachment on the performance of Adelie penguins were investigated over three seasons at Bechervaise Island ... , Mac. Robertson Land, Antarctica. The return rates of birds carrying bands and/or implanted electronic ... transponders were compared to investigate the contribution of bands to bird mortality and to determine rates of ...
Meeting Document : WG-CEMP-93/19 : Auteur(s): J. Clarke, K. Kerry (Australia)
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An assessment of Chaenocephalus aceratus and Pseudochaenichthys georgianus in Subarea 48.3
because of a lack of reliable biological and catch data. This paper attempts to reconstruct the fishery ... for these two species by assuming that 75% of the ‘unidentified fish’ caught by the Soviet Union in ... the years 1977 to 1988 consisted of catches of C. aceratus and P. georgianus. Biological, age-length ... from surveys, and indicate that the stock of C. aceratus has decreased from 18 000 tonnes to 6 000 ...
Meeting Document : WG-FSA-90/06 : Auteur(s): D.J. Agnew (Secretariat) and K.-H. Kock (Germany)
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Is toothfish catch correlated with the catch of vulnerable benthic invertebrate taxa?
Abstract: Accurate estimation of the true impact of bottom fishing on vulnerable marine ... ecosystems (VMEs) requires knowledge of the distribution of those communities relative to the fishing ... study used the catch of the six most common vulnerable invertebrate taxa reported by observers on New ... benthic invertebrate catch rates at a longline segment level. Analysis of the data available showed no ...
Meeting Document : WG-EMM-10/27 : Auteur(s): S.J. Parker and M.H. Smith (New Zealand)
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Investigating emigration in stock assessment models of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–H
Abstract: In 2013, the Scientific Committee of CCAMLR could not achieve consensus on a stock ... the recaptures of tagged fish seen in the SSRU 88.2H fishery. The patterns showed a sharp decay rate ... of a cohort of tagged fish with few being recaptured after more than 3 years at liberty, a steepening ... of the decay rate over time, and a trend for increasing proportions of tagged fish caught over time ...
Meeting Document : WG-FSA-14/56 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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Proposal to continue participation in the second year of the joint CCAMLR research survey to collect spatially stratified longline and bathymetric data in 88.2_A and 88.2_B in 2015/16
successful completion of the first part of the two year survey, this paper presents the details of the vessel ... Abstract: Toothfish in SSRUs 882.A–B are currently managed as part of the Ross Sea region stock ... the management across all of the region. Recognising this requirement, the Scientific Committee ... endorsed two years of spatially stratified longline surveys in the northern region of SSRUs 88.2A–B (SC ...
Meeting Document : WG-SAM-15/32 : Auteur(s): Delegation of the United Kingdom
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Proposal for a winter longline survey of Antarctic toothfish in Subarea 88.1 SSRUs B–C in 2016
Ross Sea region to investigate spawning dynamics of Antarctic toothfish, as requested by the Scientific ... Committee in 2013. The longline survey is designed to cover key gaps in the knowledge of the life cycle of ... Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea by collecting biological samples from a range of ... to investigate the spawning timing and locations of Antarctic toothfish in the northern Ross Sea ...
Meeting Document : WG-SAM-15/47 : Auteur(s): S.J. Parker, S.M. Hanchet and R.J.C. Currey (New Zealand)
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Data on feeding and food objects of southern minke whales
Abstract: Presented research on feeding and the dietary structure by species of minke whales ... conducted in all four seasons. There have been no noticeable increase of the population size of large whales ... over the years after the cessation of whaling. The role of a short and profitable from the energy point ... of view trophic chain «phytoplankton- krill- baleen whales», which is of main interest due to the ...
Meeting Document : SC-CAMLR-XXVI/BG/25 Rev. 1 : Auteur(s): Delegation of Ukraine
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The role of fish in the Antarctic marine food web: differences between inshore and offshore waters in the southern Scotia Arc and west Antarctic Peninsula
Abstract: The role of fish in the Antarctic food web in inshore and offshore waters is analysed ... taking as an example the coastal marine communities of the southern Scotia Arc (South Orkney Islands and ... South Shetland Islands) and the west Antarctic Peninsula. Inshore, the ecological role of demersal fish ... is more important than that of krill. There, demersal fish are major consumers of benthos and also ...
Meeting Document : WG-FSA-02/6 : Auteur(s): E. Barrera-Oro (Argentina)