Search results
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Diet of grey-headed albatrosses at the Diego Ramírez Islands, Chile: ecological implications
Abstract: The diet of grey-headed albatrosses at Diego Ramírez, Chile, was analyzed and compared ... to that of the sympatric black-browed albatross. Diet composition was inferred from an analysis of ... . The squid Martialia hyadesi predominated in the diet samples in 2001 and 2002 (89% and 81% of ... suggests that M. hyadesi plays an important role in the breeding performance of grey-headed albatrosses at ...
Meeting Document : WG-FSA-04/12 : Author(s): J. Arata (Chile), G. Robertson (Australia), J. Valencia (Chile), J.C. Xavier (UK) and C.A. Moreno (Chile)
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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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Stock structure of Antarctic toothfish in Statistical Area 88 and implications for assessment and management
Abstract: We review the stock structure of Antarctic toothfish in Statistical Area 88 with the ... aim of characterising the likely stock boundaries relative to stock assessments. We include ... complex of SSRU 88.2H. Key information needs to further understand stock structure include characterising ... the movement patterns and linkages of Antarctic toothfish in the 80–120 cm size range, throughout the ...
Meeting Document : WG-SAM-14/26 : Author(s): S.J. Parker, S.M. Hanchet and P.L. Horn (New Zealand)
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Proposal for developing and editing documents to support the communication of science from the Scientific Committee using the Secretariat’s existing report development tool
. With the advent of the web-based technology for rapporteurs and Members to jointly develop reports of ... . It is proposed that the Scientific Committee develop an expanded set of reference documents as part ... of its strategy for communicating the history and status of its science to the Commission, the wider ... not aim to have a number of documents developed quickly but more to identify documents that might be ...
Meeting Document : SC-CAMLR-XXXIV/02 : Author(s): Delegation of Australia
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Updated ASPM assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity
Abstract: The ASPM assessment of the Prince Edward Islands toothfish resource by Brandão and ... updated to take account of further catch, GLM standardised CPUE and catch- at-length information that have ... become available for the year 2004. Twenty year biomass projections under the assumption of various ... constant annual catches are also shown. These suggest that maintenance of the present TAC of 500 tonnes is ...
Meeting Document : WG-FSA-04/37 : Author(s): A. Brandão and D.S. Butterworth (South Africa)
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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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Preliminary Results of a Bottom Trawl Survey Around Elephant Island in October and December 1987
Abstract: A total of 40 bottom trawl hauls was carried out fromboard RV "Polarstern" in ... proportion of larger (= older) fish in the catches increased. Composition of the catches of C. gunnari ... shelf areas of the Peninsula region. Author(s): K.-H. Kock (FRG) Title: Preliminary Results of a ...
Meeting Document : WG-FSA-88/31 : Author(s): K.-H. Kock (FRG)