Search results
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An evaluation of reduced target strength estimates reported for krill (Euphausia superba)
on the same experiment and report new calculations of the target strength of krill (Euphausia superba ... assumptions made in calculating target strength. Whether the results of these papers are valid is critically ... important, given that they are being cited as a basis for increasing the estimates of krill standing stock ... in the Antarctic. The weaknesses in their data stem from the methods used to calculate target ...
Meeting Document : WG-KRILL-90/13 : Author(s): M.C. Macaulay (USA)
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Energetics of diving in macaroni penguins
the mass-specific rate of oxygen consumption (VO2) while diving and investigation of the physiological ... adjustments that might facilitate the diving behaviour observed in this species. In common with other diving ... accounted for 36% of the variation in dive duration. When VO2 was calculated for dives of different ... durations, 95.3% of dives measured were within the calculated aerobic dive limit (cADL) for this species ...
Meeting Document : WG-EMM-03/39 : Author(s): J.A. Green, P.J. Butler, A.J. Woakes and I.L. Boyd (United Kingdom)
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Conflict or co-existence? Foraging distribution and competition for prey between Adélie and chinstrap penguins
between the two species, however, in a year of normal resource availability (2001) there was no such ... and ecologically very similar, have very similar diet and breed sympatrically in the Scotia Arc from ... the South Sandwich Islands to the Antarctic Peninsula. To investigate how these two species co-exist ... , their foraging distribution and diet were studied during the chick-rearing period at Signy Island, South ...
Meeting Document : WG-EMM-02/15 : Author(s): A.S. Lynnes, K. Reid, J.P. Croxall and P.N. Trathan (United Kingdom)
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The role of fish in the Antarctic marine food web: differences between inshore and offshore waters in the southern Scotia Arc and west Antarctic Peninsula
terms of biomass for most of the high level predators from demersal fish up to whales. This has no ... Abstract: The role of fish in the Antarctic food web in inshore and offshore waters is analysed ... taking as an example the coastal marine communities of the southern Scotia Arc (South Orkney Islands and ... South Shetland Islands) and the west Antarctic Peninsula. Inshore, the ecological role of demersal fish ...
Meeting Document : WG-FSA-02/6 : Author(s): E. Barrera-Oro (Argentina)
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Interaction of sperm whales with bottom longline and the Mammal and Bird Excluding Device (MBED) operation in the Patagonian toothfish (Dissostichus eleginoides) fishery in the southwestern Atlantic
Abstract: This paper describes the interaction between sperm whales (Physeter macrocephalus) and ... the toothfish fishery (Dissostichus eleginoides) carried out by longline fishing vessels operating in ... two different fishing zones at 40º and 50º latitudes in the Southwestern Atlantic from March to May ... 2007. 62 hauls were performed in the northern zone (latitude 40º 00’ S), while 41 hauls were performed ...
Meeting Document : WG-FSA-07/23 : Author(s): O. Pin and E. Rojas (Uruguay)
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On the problem of diurnal migrations of some fish species on the South Georgia shelf (Subarea 48.3)
sunset) they ascended into the water column where they were found in the superficial layer. No ... Abstract: The results of experiments on the South Georgia Shelf carried out in the period of 1986 ... . The most representative data were obtained for Ch.gunnari and N.larseni. The vertical migration trend ... was the most distinctive in Ch.gunnari fry. The individuals used to ascend towards the water column ...
Meeting Document : WG-FSA-99/64 : Author(s): I.A. Trunov, J.A. Frolkina and M.P. Konstantinova (Russia)
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Relationship between distribution of Antarctic krill (Euphausia superba) and environmental index MTEM-200 in the Antarctic Ocean throughout the year
subject since the British Discovery Reports. However, there was no remarkable achievement in particular ... Abstract: Antarctic krill (Euphausia superba) is the key species of the Antarctic marine ... oceanographic conditions have been an age-old recurrent problem and many papers have been published on the ... the entire Antarctic Ocean. To clarify the relationship between krill distribution of krill and ...
Meeting Document : WG-EMM-08/32 : Author(s): M. Naganobu, T. Kitamura and K. Hasunuma (Japan)
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Trends in breeding numbers and survival of black-browed (Thalassarche melanophrys) and grey-headed albatrosses (T. chrysostoma) breeding on Macquarie Island
grey-headed albatrosses appear to have remained relatively stable since the mid 1970s. There was no ...
Meeting Document : WG-FSA-04/48 : Author(s): A. Terauds, R. Gales and R. Alderman (Australia)
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Revised research plan for the 2016/17 toothfish fishery in Division 58.4.4b by Japan and France
Abstract: Japan and France have revised the next season’s (2016/17) research plan in research ... blocks 58.4.4b_1 and 58.4.4b_2 using the latest CCAMLR C2 and Observer data, following several advices ... August for the current analysis, but not used the cleaning data provided by them in this early September ... due to tight schedule for the submission. The estimated median stock size in block 58.4.4b_1 and ...
Meeting Document : WG-FSA-16/33 Rev. 1 : Author(s): Delegations of Japan and France
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The Report of the Meeting of the Standing Committee on Observation and Inspection
Title: The Report of the Meeting of the Standing Committee on Observation and Inspection Approval ... : Approved Secretariat Workflow Status: Content Approved Document Release Consent: No Delegation ...
Meeting Document : CCAMLR-IX/15