Search results
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THE DIET OF THE ANTARCTIC TOOTHFISH IN THE ROSS SEA
Abstract: This brief review documents the species composition of prey consumed by the Antarctic ... by both frequency of occurrence and dry weight. P. antarcticum is 71% by occurrence and 89% by weight ...
Meeting Document : WG-EMM-09/16 : Author(s): J.T. Eastman and A.L. DeVries (USA)
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Warming effects in the Western Antarctic Peninsula Ecosystem: the role of population dynamic models for explaining and predicting penguin trends
Abstract: The Western Antarctica Peninsula and Scotia Sea ecosystems appear to be driven by ... influenced by the inter-annual variability in the sea-ice extent and krill biomass. In this paper we ... . Chinstrap penguins were only influenced by krill abundance. The contrasting population trends of Adelié and ... Gentoo penguins appear to be better explained by the “sea-ice hypothesis”. We think that proper ...
Meeting Document : WG-EMM-12/18 : Author(s): M. Lima and S.A. Estay (Chile)
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The brief review of the AtlantNIRO’s investigations of living marine resources: whales, krill and fish, in the Atlantic sector of the Antarctic
population dynamics. Using information collected by whalers, the world krill fishery was commenced by the ... studies in the ASA an enormous primary database was collected by AtlantNIRO and VNIRO. Investigations of ... Antarctic fish were started by RV "Academik Knipovitch" in 1967. The main purpose of the ...
Meeting Document : WG-EMM-04/30 : Author(s): F. Litvinov, D. Tormosov, Zh. Frolkina (Russia)
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Scientific observations in CCAMLR fisheries – past, present and future
catch and effort data supplied by vessels, the collection of data by scientifically qualified observers ... management purposes. The Scheme of International Scientific Observation, adopted by CCAMLR in 1992, is ... aspects falling covered by the CCAMLR System of Inspection. Under the Scheme observers are deployed under ...
Meeting Document : WG-FSA-04/64 : Author(s): Secretariat
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ADDING CATCH AT AGE AND SURVEY DATA TO THE 48.3 TOOTHFISH CASAL ASSESSMENT
suggested by WG-FSA-2007 are implemented. Fits to the survey length frequencies are good for recent surveys ... but in the past some cohorts have been missed by the survey. Fits to the survey CPUE are generally not ... strength are made by the new model, but there is uncertainty about the estimates of recent cohorts made ... using short runs of catch-at-age data and the catchability being estimated by the survey. Estimates of ...
Meeting Document : WG-SAM-09/13 : Author(s): D.J. Agnew and M. Belchier (United Kingdom)
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Marine debris collected at Cape Shirreff, Livingston Island, during the Antarctic season 1993/94
prepared by the CCAMLR Secretariat, a survey to develop a complete collection of marine debris and heavy ... suffered by the ship "Capitan Alcazar". Once analyzed the marjne debris we realized that it was ... composed by 1.754 objects collected from 36 beaches, with a total of 284.29 kg. As in previous studies on ... beach litter from the area, it was mainly composed by plastic and synthetic fibres (92%), metal (3.5 ...
Meeting Document : CCAMLR-XIII/BG/17 : Author(s): Delegation of Chile
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How fishing and marine protection can coexist in the Southern Ocean: An economic analysis of the Ross Sea and East Antarctic MPA proposals
stock total catch limit would remain unchanged by the fishing effort being reallocated away from the ... would not be affected. The MPA proposals in waters governed by the Commission for the Conservation of ... fraction of the total reported catch by tonnage and value of the global catch of the participating Members ... . Author(s): Submitted by ASOC Title: How fishing and marine protection can coexist in the Southern Ocean ...
Meeting Document : CCAMLR-XXXV/BG/23 Rev. 1 : Author(s): Submitted by ASOC
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Proposals on standardization of toothfish resource research
accompanied by standard procedures for trawl adjusting and monitoring of its parameters. These procedures are ... efforts by years and research blocks do not allow obtaining scientific-based data for understanding the ... solution of the current methodological problems of toothfish research in Division 58.4.1 by only ... toothfish researches to be carried out by the vessels based on standardization of sampling longline gear ...
Meeting Document : WG-SAM-2019/34 : Author(s): S. Kasatkina
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Age determination of Antarctic krill using size, fluorescence, and image analysis techniques
methods indicate 6 year classes for adult krill. Correspondence between the ages determined by the two ... techniques is generally within one year. The animals were also analyzed by a computerized image analysis ... constructed to relate the image analysis parameters to age approached 90% for the ages defined by length ...
Meeting Document : SC-CAMLR-VI/BG/48 : Author(s): M.S. Berman, A.L. McVey and G. Ettershank (USA)
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Tagging larger toothfish, methods and equipment
underpinned by a tag and recapture programme, based on Antarctic toothfish Dissostichus mawsoni. The tagging ... details a number of methods and presents plans of some equipment used by New Zealand vessels operated by ...
Meeting Document : WG-FSA-07/36 : Author(s): J.M. Fenaughty (New Zealand)