Resultados de la búsqueda
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A review of national observer training and education programs (Scheme of International Scientific Observation)
Abstract: At CCAMLR-XXV, the Scientific Committee noted that the implementation of the observer ... program and the application of observer requirements could be improved by adopting a standard approach to ... education and training for observers in these fisheries (SC-CAMLR-XXV, paragraph 2.11). A review of current ... levels of education and training for observers was undertaken by the Secretariat. Information provided by ...
Meeting Document : SC-CAMLR-XXVI/BG/09 Rev. 1 : Autor(es): Secretariat
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On maturity level of gonads of Antarctic toothfish Dissostichus mawsoni from the southern Ross Sea (Subarea 88.1) in December 2005–February 2006
Abstract: Data on length and gonad-weight distribution, maturity and gonadosomatic index (GSI) of ... Antarctic toothfish Dissostichus mawsoni were collected from Subarea 88.1 on board of the longliner “Yantar ... ” under Russian flag in the 2005/06 season. Our supposition is that the predominant part of Antarctic ... participation in spawning of the current year. Ovaries of the most females weighed less than 2.0 kg; average GSI ...
Meeting Document : WG-FSA-06/9 : Autor(es): V.G. Prutko (Ukraine)
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PRELIMINARY ASSESSMENT OF MACKEREL ICEFISH, CHAMPSOCEPHALUS GUNNARI, IN THE VICINITY OF HEARD ISLAND AND MCDONALD ISLANDS (DIVISION 58.5.2), BASED ON A SURVEY IN APRIL 2009, USING THE GENERALISED YIELD MODEL
Abstract: A survey of mackerel icefish, Champsocephalus gunnari, was undertaken in Division ... 58.5.2 in the vicinity of Heard Island in April 2009 to provide the information for an assessment of ... short-term annual yield in the 2009/2010 CCAMLR season. This paper provides a preliminary assessment of ... yield for the area of Division 58.5.2 to the west of 79o 20’ E using standard CCAMLR methods. The strong ...
Meeting Document : WG-FSA-09/33 : Autor(es): D.C. Welsford (Australia)
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PRELIMINARY ASSESSMENT OF MACKEREL ICEFISH, CHAMPSOCEPHALUS GUNNARI, IN THE VICINITY OF HEARD ISLAND AND MCDONALD ISLANDS (DIVISION 58.5.2), BASED ON A SURVEY IN JULY 2008, USING THE GENERALISED YIELD MODEL
Abstract: A survey of mackerel icefish, Champsocephalus gunnari, was undertaken in Division ... 58.5.2 in the vicinity of Heard Island in July 2008 to provide the information for an assessment of short ... -term annual yield in the 2008/2009 CCAMLR season. This paper provides a preliminary assessment of yield ... for the area of Division 58.5.2 to the west of 79o 20’ E using standard CCAMLR methods. The strong ...
Meeting Document : WG-FSA-08/56 : Autor(es): D.C. Welsford (Australia)
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DEVELOPMENT OF A SPATIALLY EXPLICIT AGE-STRUCTURED STATISTICAL CATCH-AT-AGE POPULATION DYNAMICS MODEL FOR MODELLING MOVEMENT OF ANTARCTIC TOOTHFISH IN THE ROSS SEA
a preliminary development version of this model to Antarctic toothfish in the Ross Sea as an age and ... numbers of areas, and is implemented as a discrete time-step state-space model that represents a cohort ... product of a set of preference functions that are based on known attributes of spatial location. SPM was ... designed to be flexible, allow for the estimation of both population and movement parameters based on local ...
Meeting Document : WG-SAM-08/14 : Autor(es): A. Dunn and S. Rasmussen (New Zealand)
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Areal and seasonal extent of sea-ice cover off the northwestern side of the Antarctic Peninsula: 1979 through 1995
Abstract: Analysis of seasonal sea ice cover of a 1,250,000 km2 area off the northwestern side of ... multiple years is apparent. Annual curves of sea ice cover were integrated over time to produce an annual ... index of sea ice cover in units of 106 km2-months. Author(s): Hewitt, R.P. Title: Areal and seasonal ... extent of sea-ice cover off the northwestern side of the Antarctic Peninsula: 1979 through 1995 Approval ...
Meeting Document : WG-EMM-96/24 : Autor(es): Hewitt, R.P.
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CPUE, net towing depth and body length of krill during the winter operation of Japanese krill fishery around South Georgia
Abstract: Monthly CPUEs during winter operation of Japanese krill trawlers around South Georgia ... were calculated. The range of CPUE values in 1991 season (poor year of krill) was comparable to the ... range of summer operation around Elephant Island and Livingston Island. Vertical distribution presumed ... season might be deeper than the summer season. Interannual variability of vertical distribution was also ...
Meeting Document : WG-EMM-96/51 : Autor(es): Kawaguchi, S., Ichii, T., Naganobu, M.
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An assessment of the conservation status of albatrosses
Abstract: The conservation status of albatrosses has been re-evaluated using the recent suggested ... taxonomic revisions of albatrosses and the new IUCN criteria for identification of threatened taxa. The ... evaluations of threat status and categories were prepared by independent albatross specialists before being ... highest proportion of threatened species in any bird family that comprises more than a single species. Of ...
Meeting Document : WG-FSA-97/59 : Autor(es): Croxall, J.P., Gales, R.
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An assessment of the impact of krill fishery on penguins in the South Shetlands
intensity to the shelf and slope of Livingston or Elephant Island. In contrast, the food consumption by ... . Estimated krill biomass varies considerably within the favorite fishing areas due to the movement of krill ... into and out of the area, but high krill biomass (100-1000 x103t) usually existed there. Compared with ... the amount of biomass (100-1000 x10 3t) and the degree of its variability (the order of 100 x10 3t/10 ...
Meeting Document : WG-KRILL-93/07 : Autor(es): T. Ichii, M. Naganobu and T. Ogishima (Japan)
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Characteristics of oceanic structure in the waters around the South Shetland Islands of the Antarctic ocean between December 1990 and February 1991: outstanding coastal upwelling?
Abstract: The sixth Antarctic survey cruise of R/V Kaiyo Maru was carried out in waters around ... the Shouth Shetland Islands. where are known as the fishing grounds of krill, during the 1990-91 ... into operation In the same area after an interval of 40 days. The more characteristic change was ... clearly recognized in the waters of the insular shelf from the first leg to the second leg. The Antarctic ...
Meeting Document : WG-KRILL-92/24 : Autor(es): M. Naganobu, T. Katayama, T. Ichii, H. Ishii and K. Nasu (Japan)