Search results
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A updated population status model for the Patagonian toothfish, Dissostichus eleginoides, at Kerguelen Islands (Division 58.5.1) using CASAL
, standardized CPUE of commercial fisheries, tag releases and recoveries by length bin, commercial catch-at ... . Commercial catch are integrated in the model by CCAMLR season. A weighted combination of datasets was ... modelling tends to present results which are consistent with the stock assessments undertaken by the ... by longliners, fulfils the CCAMLR management rules. Research studies aiming at collecting more ...
Meeting Document : WG-FSA-12/09 : Author(s): A. Rélot-Stirnemann (France)
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Note sur l'étude des effets environnementaux, spatiaux, temporels et opérationnels sur la mortalité accidentelle des oiseaux dans la pêcherie à la palangre dans les secteurs de Crozet et Kerguelen en 2003–2006
incidental mortality of seabirds was reduced by approximately half each year. A multivariate analysis has ... revealed that the incidental catch of white-chinned petrels and grey petrels is caused by a complex set of ... of the mortality of white-chinned petrels and grey petrels can be explained by the effects of season ... west) than at Crozet. Analyses show that a proportion of the incidental mortality can be explained by ...
Meeting Document : SC-CAMLR-XXVI/BG/21 : Author(s): Délégation française
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Fisheries in the Southern Ocean – an ecosystem approach. Trans. Roy. Soc. Lond. (in press)
bound by its Article II, 3 to follow an ecosystem approach to management. This approach has been ... place to protect by – catch species, such as rattails (Macrouridae) and skates and rays (Rajidae). Two ... major problems still exist in fisheries in the Southern Ocean: the by – catch of birds in longline ... , the by – catch of birds and high IUU catches undermine the credibility of CCAMLR to safeguard the ...
Meeting Document : SC-CAMLR-XXIV/P01 : Author(s): Kock, K.-H., K. Reid, J. Croxall and S. Nicol
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Do fish prey size affect the foraging patterns and breeding output of the Antarctic shag Phalacrocorax bransfieldensis?
, followed by octopods and gastropods. Between colonies there were marked differences in the size of the fish ... consumed, being the smaller specimens eaten by shags from Py Point. This was mainly influenced by the ... . Differences in the composition of the diet might be related to different foraging areas used by the shags ...
Meeting Document : WG-EMM-02/4 : Author(s): R. Casaux and A. Baroni (Argentina)
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On influence of acoustic survey methodology improvement on krill biomass estimation. (A comparison of results of acoustic surveys based on single-frequency and double-frequency algorithms)
the results of krill biomass comparative estimation by single-frequency and double-frequency ... algorithms that were obtained by processing data on Russian R/V ATLANTIDA surveying in 48.4 Subarea according ... species identification realized by single-frequency and double-frequency algorithms could cause a marked ... analysis of interannual and interseasonal krill biomass variability by results of acoustic survey is to be ...
Meeting Document : WG-EMM-01/41 : Author(s): S.M. Kasatkina and A.P. Malyshko (Russia)
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Environmental variability and the behavioural dynamics of Antarctic fur seals in the South Atlantic
physical forcing by large-scale oceanographic variability. Time lags, remoteness from the epicentre of a ... had strong effects when lagged by one year. This was supported by bivariate correlation between the ... seals in the Atlantic domain of the Southern Ocean is sensitive to the proximate physical forcing by a ...
Meeting Document : WS-AREA 48-98/16 : Author(s): I.L. Boyd (UK)
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PRELIMINARY PROPOSAL FOR MARINE SPATIAL PROTECTION AROUND THE SOUTH ORKNEY ISLANDS
been selected on the basis of analysis previously recommended by WG-EMM for consideration by the ... agreed by the Scientific Committee (SC-CAMLR-XXVII, paragraph 3.55). The paper invites the Scientific ... but allowing activities such as some scientific research (to be further elaborated by the Commission ...
Meeting Document : SC-CAMLR-XXVIII/14 : Author(s): Delegation of the United Kingdom
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FIELD IDENTIFICATION GUIDE TO HEARD ISLAND AND MCDONALD ISLANDS (HIMI) BENTHIC INVERTEBRATES: A GUIDE FOR SCIENTIFIC OBSERVERS ABOARD FISHING VESSELS
intended for use as both a training tool, and at-sea by trained observers, to make accurate identifications ... of invertebrate by-catch when operating in the HIMI region. The Australian Antarctic Division has now ... gather invertebrate by-catch data at higher taxonomic resolutions. To encourage the development of ... similar guides for training purposes and at-sea use by observers in other CCAMLR designated fisheries, a ...
Meeting Document : SC-CAMLR-XXVIII/BG/12 : Author(s): Delegation of Australia
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The state of exploited fish stocks in the Atlantic sector of the Southern Ocean
of the 1960s mainly by the Soviet Union. Notothenia rossii marmorata,vas the target species in the ... adversely affected by the fishery. The present stock size around South Georgia is less than 5 % of the level ... by fishing and are in need of conservation measures. P. br. guntheri is the only species in the ... fishery which was unregulated until 1988/89. Stock assessment is largely influenced by uncertainties in ...
Meeting Document : SC-CAMLR-VIII/BG/18 : Author(s): Delegation of Federal Republic of Germany
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Distribution of Soviet commercial fleet at krill fishery in the South Orkneys subarea (Subarea 48.2) during 1989/90
Abstract: The results of analysis of haul by haul catch statistics of Soviet commercial fleet ... 6.9-7.1 t/hour by May-June. Stability of the fishing ground is stipulated by peculiarities of the area ... caused by topogenic effect. No temporally and spatially sustained krill aggregations (atractive to ...
Meeting Document : WG-EMM-97/50 : Author(s): Sushin, V.A.