Resultados de la búsqueda
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Report of the Workshop for the International Coordinated Survey in conjunction with CCAMLR-2000 Survey
Abstract: Vessels from Japan, Republic of Korea, Peru and the USA had participated in the conduct ... a change in the demographic structure of the population. The smaller size modes disappear and krill ... are more sexually mature later in the summer. If the lowest estimate is treated as the result of ... and Peru Title: Report of the Workshop for the International Coordinated Survey in conjunction with ...
Meeting Document : WG-EMM-01/68 : Autor(es): Delegations of Japan, Rep. of Korea, USA and Peru
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Some characteristics of krill transport in the Scotia Sea based on the Russian survey data
Abstract: In this work the characteristics of krill transport across the SSMUs determined on the ... . Berezhinsky (Russia) Title: Some characteristics of krill transport in the Scotia Sea based on the Russian ... basis of long-term Russian research in Area 48 are considered. Estimates of mean current velocities ... based on the long-term data from 3012 stations and respective time intervals when the water mass in the ...
Meeting Document : WG-EMM-05/41 : Autor(es): S.M. Kasatkina, V.N. Shnar and O.V. Berezhinsky (Russia)
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Adélie penguin population change in the pacific sector of Antarctica: relation to sea-ice extent and the Antarctic Circumpolar Current
Abstract: One of the longest continuing data sets involving a marine organism in the Antarctic is ... , and inversely, by the extent of sea-ice in the study area 5 winters earlier, and in some way related ... strong correlations to ice conditions in the eastern portion of the study area (174 to 130°W), and ... model indicated that variation in survival of juveniles and subadults might account for the observed ...
Meeting Document : WG-EMM-01/23 : Autor(es): P.R. Wilson (New Zealand), D.G. Ainley, N. Nur, S.S. Jacobs (USA), K.J. Barton (New Zealand), G. Ballard and J.C. Comiso (USA)
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The use of electronic monitoring camera system for the toothfish fishery in CCAMLR Subarea 48.3: a study case to help CCAMLR
assessment and management of the fishery. This independent estimation of the total catch in the fishery ... reviewers watching the video footage. No significant differences were found in the number of all species of ... Abstract: Sampling methods to determine the composition and nature of the catch of the longlining ... CCAMLR observers deployed on the fishing fleet. The collection of this data is important for the ...
Meeting Document : WG-FSA-14/27 : Autor(es): R.A. Benedet (United Kingdom)
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Mesozooplankton distribution and community structure in the Pacific and Atlantic sectors of the Southern Ocean during austral summer 2017/18: a pilot study conducted from Ukrainian longliners
Abstract: Preliminary results of the pilot study of the mesozooplankton in the region between the ... were collected in the top 100 m water layer using vertical tows of the 0.1 m-2 Juday net from four ... oceanographic surveys. The potential of such surveys are enormous in both providing invaluable information ... Ocean, particularly in light of recent modelling initiatives of the whole Antarctic system undertaken by ...
Meeting Document : WG-FSA-18/19 : Autor(es): E.A. Pakhomov, L.K. Pshenichnov, A. Krot, V. Paramonov, I. Slypkо and P. Zabroda
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A summary of scientific observer deployments and data collection in the krill fishery during the 2011, 2012 and 2013 seasons
Abstract: The level of observer coverage in the krill fishery and the scientific sampling ... undertaken are summarised. During 2012 all 12 of the vessels that participated in the krill fishery carried ... occurred in subarea 48.1 during 2012 when fishing occurred both in Bransfield Strait and to the west of ... observers for some or all of their fishing operations. From a total of 860 vessel days of fishing in 2012 ...
Meeting Document : WG-EMM-13/38 : Autor(es): CCAMLR Secretariat
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Descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in Subareas 88.1 & 88.2 for the years 2000–01 to 2014–15
Abstract: We provide an update of the descriptive analyses of the toothfish tagging programme in ... in 2015, close to the recent average. SSRU 88.2H showed a similar annual number of tag returns ... Subareas 88.1 and 88.2 through the 2015 season. A total of 44 827 Antarctic toothfish have been released ... years, most vessels have achieved or exceeded the required tagging rate of one toothfish per tonne of ...
Meeting Document : WG-FSA-15/37 : Autor(es): S.J. Parker and S. Mormede (New Zealand)
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Preliminary assessment models of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea including data from the 2005/06 season
in a similar, though slightly higher, estimate of initial and current biomass as the 2005 base case ... . The assessment using the revised biological parameters was slightly more optimistic in terms of B0 ... than the 2006 reference case, with the use of the lower M (0.13 y-1 rather than 0.15 y-1) resulting in ... a more optimistic estimate of B0. However, as the changes in growth, length-weight, and M all imply ...
Meeting Document : WG-FSA-SAM-06/11 : Autor(es): Dunn, A. & Hanchet, S.M.
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Biological features of the icefish Champsocephalus gunnari from commercial catches in Subarea 48.3 during the period from 8 December 1999 until 31 January 2000
western shelf of the South Georgia Island. Icefish 26-40 cm in length, with the average size of 30.3 cm ... /female ratio, on the average, equalled to 1/1.2. The active process of gonad maturation, more rapid in ... observations. Mean stomach fullness amounted to 2.5. Antarctic krill Euphausia superba, the occurence of which ... Abstract: In the period from 11 December 1999 to 31 January 2000 Russian trawler "Zakhar ...
Meeting Document : WG-FSA-00/20 : Autor(es): V.L. Senioukov (Russia)
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TEMPORAL CLARIFICATION OF THE TRANSITION FROM BLUE PHASE FINGERLING TO EARLY JUVENILE BROWN PHASE IN NOTOTHENIA ROSSII FROM THE SOUTH SHETLAND ISLANDS
rossii caught in Potter Cove, South Shetland Islands, in summer of years 2003-2006 and 2008. The sample ... the interpretation of the rings, particularly in the central area of the scale. To clarify two issues ... of controversy in the literature: 1) we believe that the duration of the pelagic fingerling stage at ... OF THE TRANSITION FROM BLUE PHASE FINGERLING TO EARLY JUVENILE BROWN PHASE IN NOTOTHENIA ROSSII FROM ...
Meeting Document : WG-FSA-09/32 : Autor(es): E. Barrera-Oro, E. Moreira, N. Alescio and E. Marschoff (Argentina)