Search results
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Interannual variability of krill, salp and other zooplankton populations in the South Shetland Island area during Austral summer 1993–1998
during the 1993 "salp year". The magnitude of this salp bloom may have resulted from a large ... overwintering "seed" population developed the preceding autumn. Presence of large numbers of another ... . Comparisons of January and February 1998 survey data with data from previous AMLR field seasons showed ... recurring patterns of species abundance relationships that allowed definition of different ecological ...
Meeting Document : WG-EMM-98/50 : Author(s): V. Loeb, W. Armstrong, R. Hewitt (USA) and V. Siegel (Germany)
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PREDICTING THE VULNERABILITY OF BENTHIC, HABITAT-FORMING ORGANISMS TO DISTURBANCE USING LIFE-HISTORY CHARACTERISTICS
Abstract: Assessing the impacts of fishing on Vulnerable Marine Ecosystems (VMEs) in the Southern ... Ocean is hampered by the paucity of information on the resistance and resilience of these ecosystems to ... disturbance. Both resistance and resilience of individual VME-forming taxa are related to their life-history ... characteristics. A global database of life-history characteristics, including growth rate, age, maximum size and ...
Meeting Document : WG-EMM-09/35 : Author(s): K. Martin-Smith (Australia)
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Revised outline of the dedicated krill survey for CCAMLR Division 58.4.1 during 2018/19 season by the Japanese survey vessel, Kaiyo-maru
Australia carried out BROKE in 1996. There are two main objectives of our survey: (1) estimation of krill ... the CCAMLR standard protocol. Utility of 70 kHz in addition to 3 standard frequencies (38, 120 and 200 ... of length and orientation of Antarctic krill will also be conducted. An initial plan of the survey ... provides a revised outline of the survey while detailed acoustic survey methods are presented to this ...
Meeting Document : SG-ASAM-18/03 : Author(s): H. Murase, K. Abe, R. Matsukura, H. Sasaki and T. Ichii
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Research program to examine the life cycle and resource potential of Dissostichus species in the Special Research Zone within the Ross Sea region marine protected area (RSRMPA) in 2018–2027 by Russian Federation
research program in the frame of the research and monitoring associated with the Ross Sea region marine ... movement, biological parameters and stock structure of Dissostichus species in the eastern part of the Ross ... tagged fishes to be in focus. The study area is located in the Special Research Zone of the RSRMPA ... . Proposals include the priority elements of the research and monitoring plan for the Ross Sea region marine ...
Meeting Document : WG-SAM-18/07 : Author(s): Delegation of the Russian Federation
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Research program to examine the life cycle and resource potential of Dissostichus species in the Special Research Zone within the Ross Sea region marine protected area (RSRMPA) in 2018–2027
research program in the frame of the research and monitoring associated with the Ross Sea region marine ... movement, biological parameters and stock structure of Dissostichus species in the eastern part of the Ross ... tagged fishes to be in focus. The study area is located in the Special Research Zone of the RSRMPA ... . Proposals include the priority elements of the research and monitoring plan for the Ross Sea region marine ...
Meeting Document : WG-FSA-18/33 Rev. 1 : Author(s): Delegation of the Russian Federation
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Modelling egg and larval transport of Antarctic toothfish (Dissostichus mawsoni) in the East Antarctic region: preliminary result using satellite data
larval transport of the Antarctic Toothfish in the East Antarctic region. This paper presents the ... transport pattern of particles released from plausible spawning grounds, i.e. Banzare Bank (BB: Kerguelen ... 2-year simulation. From the result of the BB region, while strong self retention on the BB was ... observed in the experiment A-1, the majority of particles were advected eastward in the experiment A-2. A ...
Meeting Document : WG-FSA-2019/63 : Author(s): M. Mori, K. Mizobata, T. Okuda and T. Ichii
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Green krill, the indicator of micro- and nano-size phytoplankton availability to krill
Abstract: Size fractionated chlorophyll-a concentrations of surface seawater was measured (pico ... -, nano-, and micro-size fractions) during commercial krill operations in the waters north of the South ... Shetland Islands from late December, 1991 to mid-February, 1992. The proportion of green krill had ... the importance of micro- and nano-size phytoplanktons in terms of food source for the Antarctic krill ...
Meeting Document : WG-EMM-98/29 : Author(s): S. Kawaguchi, T. Ichii and M. Naganobu (Japan)
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FIRST EXPERIMENTAL SETTINGS OF DEEPWATER VERTICAL LONGLINES IN THE ANTARCTIC TOOTHFISH FISHERY DISSOSTICHUS MAWSONI NORMAN, 1937 (PERCIFORMES, NOTOTHENIIDAE) IN THE AMUNDSEN SEA
Abstract: For the first time in the history of deepwater longline fishing on Antarctic toothfish ... Dissostichus mawsoni (Norman, 1937) the experimental settings of deepwater vertical longlines was made from the ... Russian longliner Yantar in March, 2008 in the Amundsen Sea (subarea 88.2,D of the Pacific sector). The ... experiments proved that this species, one of the most valuable large commercial species of the South Ocean ...
Meeting Document : WG-FSA-09/08 : Author(s): N.V. Kokorin (Russia) and V.V. Serbin (Ukraine)
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Possible approaches to the evaluation of the Antarctic krill mortality
Abstract: Parameters of the Bertalanfy growth equation for 1928 and 1970–1976 were calculated on ... the base of summaryed data on Krill age groups singled out using method of Harding.Parameters obtained ... recources. As a result of uncertainty in age groups determination were obtained wide ranging values. The ... most real values varied from 0.75 to 1,17. No fishery impact on various parameters of the krill ...
Meeting Document : WG-KRILL-92/08 : Author(s): L.G. Maklygin and V.I. Latogursky (Russia)
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Revised estimates of the biological parameters for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea
Abstract: This report updates the estimates of the biological parameters for Antarctic toothfish ... (Dissostichus mawsoni) in the Ross Sea (Subareas 88.1 and SSRUs 88.2A–B). We present revised estimates of the ... -data for plausible estimates of the steepness parameter of the stock-recruitment relationship and ... recruitment variability of Antarctic toothfish. Author(s): A. Dunn, P.L. Horn and S.M. Hanchet (New Zealand ...
Meeting Document : WG-FSA-SAM-06/08 : Author(s): A. Dunn, P.L. Horn and S.M. Hanchet (New Zealand)