Search results
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Report of the South Georgia groundfish survey (Subarea 48.3) in January 2006
the FPRV Dorada. Sixty-three random trawls were undertaken, with 12.3 tonnes of mackerel icesfish ... caught, which produced biomass estimates of between 91000 and 117000 tonnes. The catches were dominated ... by fish of 20-25 cm (putative 2+), but unusually large numbers of fish of ~ 50 cm were also caught to ... the N and NE of South Georgia. Fish in spawning condition (Stage IV) were found at the eastern end of ...
Meeting Document : WG-FSA-06/51 : Author(s): M.A. Collins, C. Jones, J. Clark. S. Fielding, J. Slakowski, T. North, W. Reid and J. Watts (United Kingdom)
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THE ISSUE OF NON-COMPLIANCE WITH CCAMLR TAGGING PROGRAM
Exploratory Fisheries), the flag States of fishing vessels participating in exploratory fisheries are ... responsible for ensuring the tagging of Dissostichus spp., tag recovery and correct reporting. At CCAMLR XXVI ... assessment of compliance with the CCAMLR tagging program based on information contained in the Fish Stock ... Assessment Report 2007 and discovered a high level of non-compliance. The lack of reliable information can ...
Meeting Document : CCAMLR-XXVII/BG/22 : Author(s): Delegation of Australia
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A REVIEW OF THE UNCERTAINTIES ASSOCIATED WITH PENGUIN POPULATION AND ABUNDANCE ESTIMATES FOR THE CCAMLR REGION
Abstract: This report reviews the availability of data describing penguin abundance in the CCAMLR ... Convention area, and the uncertainties in deriving overall abundance estimates from these counts. Counts of ... breeding colonies are available from a variety of sources and, when combined, coverage is thought to be ... been collected using various demographic units, and the timing of these have varied relative to ...
Meeting Document : CCAMLR-IWC-WS-08/08 : Author(s): Trivelpiece, W., Fraser, B., Trathan, P., Ainley, D., Southwell, C., Bost, C., Hindell, M., Lyver, P., Ratcliffe, N., Woehler, E.
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On the consequences of differentiating between adult and sub-adult survival rates in the krill-predators model
growth rates, thus solving problems of lack of self-sustainability encountered in earlier model analyses ... split of the overall density dependence effect between the first year and following sub-adult years of ... life. Since evaluations of the level of resilience of a predator to krill fishing depend on the values ... annual population growth rate of 10%. Author(s): Butterworth, D.S., Thomson, R.B. Title: On the ...
Meeting Document : WG-EMM-95/39 : Author(s): Butterworth, D.S., Thomson, R.B.
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Dense populations of the Antarctic scallop (Adamussium colbecki) in Terra Nova Bay (Subarea 88.1J): potential VMEs adjacent to the Terra Nova Bay ASPA (No. 161)
Abstract: Benthic communities of the Terra Nova Bay area (Ross Sea) close to the Italian station ... Mario Zucchelli is located, have been largely investigated in the last couple of decades. All the ... acquired knowledge supports the presence of very rich and diversified communities. This has led to the ... establishment of an ASPA (N° 161). The Antarctic scallop, Adamussium colbecki (Smith, 1902), is one of the most ...
Meeting Document : WG-EMM-12/23 : Author(s): M. Chiantore and M. Vacchi (Italy)
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Review of fishery monitoring and forecast procedures
Abstract: The Secretariat monitors the catches of all target and by-catch species (or species ... closed 68 fishing areas, and the total catches of Dissostichus in areas closed using the forecast model ... averaged 98.5% of the relevant catch limits. The forecast model relies on the assumption that the fishery ... the prediction. Using this prediction approach assumes that there will be underruns and overruns of ...
Meeting Document : WG-SAM-13/06 : Author(s): Secretariat
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Revised research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Division 58.4.1
Abstract: The current season (2014/15) is the final one of the first three-season research which ... Petersen estimator and the CPUE x seabed analogy method. Understanding of the resource structure through ... clarification of their life history is essential to establish stock assessment and robust stock/ fisheries ... management of Dissostichus spp. population(s) in data- poor exploratory fisheries. During the second three ...
Meeting Document : WG-FSA-15/17 : Author(s): Delegation of Japan
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Research plan for the 2016/17 exploratory longline fishery of Dissostichus spp. in Division 58.4.1
Abstract: The current season (2015/16) is the first one of the second three-season research in ... analogy method. Understanding of the resource structure through clarification of their life history is ... essential to establish stock assessment and robust stock/ fisheries management of Dissostichus spp ... enhanced tagging program, and collection and analysis of biological data including otoliths and gonads to ...
Meeting Document : WG-SAM-16/04 : Author(s): Delegation of Japan
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Research plan for the 2016/17 exploratory longline fishery of Dissostichus spp. in Division 58.4.2
Abstract: The current season (2015/16) is the first one of the second three-season research in ... reference area sizes. Understanding of the resource structure through clarification of their life history is ... essential to establish stock assessment and robust stock/ fisheries management of Dissostichus spp ... enhanced tagging program, and collection and analysis of biological data including otoliths and gonads to ...
Meeting Document : WG-SAM-16/05 : Author(s): Delegation of Japan
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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 ... seasonal and geographical zooplankton sampling coverage at the fraction of the cost of the full scale ... oceanographic surveys. The potential of such surveys are enormous in both providing invaluable information ...
Meeting Document : WG-FSA-18/19 : Author(s): E.A. Pakhomov, L.K. Pshenichnov, A. Krot, V. Paramonov, I. Slypkо and P. Zabroda