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The influence of the shape of meshes on the selective properties of trawls with special reference to Antarctic krill
Abstract: The results of investigations are presented on selective properties of experimental ... trawls with a square- and diamond-shaped mesh, on the traumatic rate of krill passed through a mesh and ... screening rate was observed in the cod end instead of the belly,the selective properties of the retaining ... part of the trawl are improved and at the same time the selectivity range of retained fish gets lower ...
Meeting Document : SC-CAMLR-VIII/BG/09 : Автор(ы): Delegation of USSR
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On necessity of longline fishery and research of Antarctic toothfish in all SSRUs of Subareas and Divisions 88.1, 88.2, 58.4.1, 58.4.2
Abstract: The analysis of catch size composition, statistical data on catches and distribution of ... Antarctic tooth-fish, and tagging data showed that the existing system of fishing subarea partition into ... SSRUs, open and closed for fishery, resulted in a lack of overall picture of population structure state ... of toothfish migrations by tagging results. The mentioned system shortcomings require its revision ...
Meeting Document : WG-FSA-10/36 : Автор(ы): K.V. Shust, A.F. Petrov, V.A. Tatarnikov and I.G. Istomin (Russia)
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Results of the fourth CCAMLR sponsored research survey to monitor abundance of sub-adult Antarctic toothfish in the southern Ross Sea, February 2015 and further development of the time series
Abstract: At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... first three surveys were completed in February 2012, 2013, and 2014. In this paper we provide results of ... the fourth survey in the time series. The objectives of this survey were: (1) To carry out a longline ... of high sub-adult abundance that could be included as strata in future annual surveys. The 2015 ...
Meeting Document : WG-SAM-15/44 : Автор(ы): S.M. Hanchet, B.R. Sharp, S. Mormede, S.J. Parker (New Zealand) and M. Vacchi (Italy)
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2016 – Part B: Description of available spatial data
) the scientific background and justification for the development of a marine protected area (MPA) in ... general context of the establishment of CCAMLR-MPAs and provides the background information on the Weddell ... -16/03 (Part C) describes the methods and the results of the scientific analyses as well as the ... development of the objectives and finally of the borders for the WSMPA. Earlier versions of Parts A-C were ...
Meeting Document : WG-EMM-16/02 : Автор(ы): K. Teschke, H. Pehlke and T. Brey on behalf of the German Weddell Sea MPA (WSMPA) project team, with contributions from the participants at the International Expert Workshop on the WSMPA project (7–9 April 2014, Bremerhaven)
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Estimation of krill biomass from an acoustic survey carried out in 1986, during a study of predator–prey interactions around the western end of South Georgia
Abstract: An acoustic survey, designed to study the distribution of shore-breeding, marine ... predators and their pelagic prey, was carried out in 1986 around the western end of South Georgia. This ... paper describes how this acoustic data has been used to estimate krill biomass of part of the original ... survey area as part of an interannual study. The radiating transect design gave increased sampling ...
Meeting Document : WG-EMM-99/17 : Автор(ы): C. Goss and S. Grant (United Kingdom)
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Concordance of inter-annual fluctuations in densities of krill around South Georgia and Elephant Islands: biological evidence of same-year teleconnections across the Scotia Sea
Abstract: Acoustic estimates of the densities of Antarctic krill, Euphausia superba, in areas ... and 1997. Estimated densities of krill at El were most often higher than at SG, although this may ... simply have been a function of differences in survey and data analysis techniques used at each site. More ... interestingly, the magnitudes of abundance and between-year gradients of change of abundance at each site were ...
Meeting Document : WS-AREA 48-98/11 : Автор(ы): A.S. Brierley (UK), D.A. Demer, R.P. Hewitt (USA) and J.L. Watkins (UK)
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Important aspects of prey distribution for the formation of foraging areas of chinstrap penguins and Antarctic fur seals at Seal Island
Abstract: Variables of prey availability between inshore and slope/offshore foraging areas were ... compared to evaluate important factors for the formation of foraging areas of Chinstrap penguins ... (Pygoscelis antarctica) and Antarctic fur seals (Arctocephalus gazella) at Seal Island. Advantages of foraging ... those of foraging slope/offshore are: 3) less patchy krill distribution, 4) shallow krill distribution ...
Meeting Document : WG-EMM-97/28 : Автор(ы): Bengtson, J.L., Hiruki, L.M., Naganobu, M., Ichii, T., Meyer, W.R., Cameron, M.F., Boveng, P., Takao, T., Miura, A., Jansen, J.K., Kawaguchi, S., Hayashi, T.
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Results of Phase I and II of the research program for toothfish fishery in Subarea 88.3 during the 2010/11–2011/12 seasons (this is a revision of WG-SAM-12/05)
2336 m. Total number of set hooks amounted 171096. In 2011 research fishing covered SSRU B, C and D ... research fishing data contributes to the achievement of the main objectives of research for the data-poor ... area: estimate of number index, evaluation of fishing capacity of Subarea 88.3, preparation of ... hypotheses about the ratio of fish in the area and the total stock as well as studying of biological ...
Meeting Document : WG-FSA-12/13 : Автор(ы): A.F. Petrov, V.A. Tatarnikov, K.V. Shust and I.I. Gordeev (Russia)
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) - Version 2015 - Part B: Description of available spatial data
EMM) the background document that provides the scientific basis for the evaluation of a marine ... protected area (MPA) in the Weddell Sea planning area. The contents and structure of the whole document ... reflect its main objectives, i.e. to set out the general context of the establishment of MPAs and to ... data retrieval process (Part B); to describe the results of the scientific analyses and the MPA ...
Meeting Document : WG-EMM-15/39 : Автор(ы): K. Teschke, H. Pehlke and T. Brey on behalf of the German Weddell Sea MPA (WSMPA) project team, with contributions from the participants at the International Expert Workshop on the WSMPA project (7-9 April 2014, Bremerhaven)
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2015 - Part B: Description of available spatial data
justification for the development of a marine protected area (MPA) in the Weddell Sea planning area. In ... documents (Part A-C). SC-CAMLR-XXXIV/BG/15 (Part A) sets out the general context of the establishment of ... the means and the results of the scientific analyses and the development of objectives and priority ... areas for a Weddell Sea MPA. Here, the delegation of Germany intends to update the Scientific Committee ...
Meeting Document : SC-CAMLR-XXXIV/BG/16 : Автор(ы): Delegation of Germany
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