Search results
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Results from the groundfish survey conducted in CCAMLR Subarea 48.3 in January/February 2011
Abstract: The 2011 groundfish survey took place at South Georgia and Shag Rocks on the FV Sil ... between the 27th January and 6th February 2011. 87 random hauls were completed, with good coverage across ... the shelf. Catch-weighted length frequencies of mackerel icefish indicated that 3+ sized fish ... tonnes. Euphausiidae was the dominant prey item in the mackerel icefish diet with increased dietary ...
Meeting Document : WG-FSA-11/29 : Author(s): J. Brown, S. Gregory, K. Brigden, R. Benedet, O. Hogg, P. Brewin and L. Featherstone (United Kingdom)
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Annual variation in the timing of reproduction in Antarctic fur seals (Arctocephalus gazella) at Bird Island, South Georgia
Abstract: The arrival of Antarctic fur seals at a breeding beach on Bird Island. South Georgia ... established breeding territories on the beaches in anticipation of the arrival of the cows. Male arrival ... significantly later in 1984 and 1987 than in 1983, 1985 or 1986. The late arrival of both males and females in ... 1987 is attributed to unusually severe climatic conditions during the preceding winter, The late ...
Meeting Document : WG-CEMP-90/39 : Author(s): C.D. Duck (United Kingdom)
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Revised research plan for the exploratory longline fishery for Dissostichus spp. in Statistical Subarea 88.3 in 2015/16
Abstract: The subarea 88.3 is a large area contained from 105°W to 70°W where has been closed to ... directed fishing following the results of a Chilean survey activities in 1998 (SC-CCAMLR-XVII/BG/7 ... ). Previous three research surveys conducted by the New Zealand and the Russian flagged vessels since 1998. It ... was noted that 8 D. Mawsoni were tagged by the New Zealand in the 2004/2005 season and 123 D. Mawsoni ...
Meeting Document : WG-FSA-15/65 : Author(s): Delegation of the Republic of Korea
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Identification of important benthic areas for conservation – using shared data from the Domain 1 MPA planning process
Planning Domain 1 (Western Antarctic Peninsula and Southern Scotia Sea). The results do not constitute any ... proposal for candidate MPAs, however they may be useful in contributing additional information towards the ... according to habitat-forming features such as geomorphology and bathymetry. The core areas are primarily ... located west of the Antarctic Peninsula in the Bransfield Strait and north of the South Shetland Islands ...
Meeting Document : WG-EMM-16/35 : Author(s): M. Bristow, S. Grant, M. Santos and A. Capurro
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Proposal for a dedicated krill survey for CCAMLR Division 58.4.1 during 2018/19 season by the Japanese survey vessel, Kaiyo-maru
Japan. No krill biomass has been estimated in the Division since 1996 when Australia carried out BROKE ... . There are two main objectives of our survey: (1) estimation of krill biomass to update B 0 in the ... division and (2) oceanographic observations in the area to detect long term changes if any. Japanese ... research vessel, Kaiyo-maru, will be used in the survey. The krill survey (echosounder and RMT) and ...
Meeting Document : WG-EMM-17/05 : Author(s): H. Murase, K. Abe, T. Ichii and A. Kawabata
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Biomass results from the International Synoptic Krill Survey in Area 48, 2019
Abstract: Results from the International Synoptic Krill Survey in Area 48, 2019, are presented ... . This survey covered both the strata occupied during the CCAMLR 2000 acoustic survey and the strata that ... comprise the regular AMLR survey. Acoustic transects (10534 n.mi), oceanographic measurements (253 casts ... ), and trawls (164) were carried out as per survey procedures developed in 2018, which were based on the ...
Meeting Document : SG-ASAM-2019/08 Rev. 1 : Author(s): G. Macaulay, G. Skaret, T. Knutsen, O.A. Bergstad, B. Krafft, S. Fielding, S. Choi, S. Chung, K. Demianenko, V. Podhornyi, K. Vishnyakova, L. Pshenichnov, A. Chuklin, A. Shishman, X. Wang, X. Zhao and M. Cox
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Problems in estimating population length at age from commercial catches, the Patagonian toothfish as an example
Abstract: Age based fishery population models require information on size at age of the fished ... population and the commercial catch. Age-length keys can be produced by standardised random sampling of the ... commercial catches. This information does not necessarily reflect the size at age of the fished population ... and may be seriously biased. Through the use of a model, and using the Patagonian toothfish as an ...
Meeting Document : WG-FSA-01/17 : Author(s): I. Everson (United Kingdom)
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COMPARATIVE CHARACTERISTICS OF BASIC BIOLOGICAL PARAMETERS OF TWO TOOTHFISH SPECIES IN HIGH-LATITUDE SEAS OF THE ANTARCTIC
Abstract: Scientific data were obtained during the fishery cruise of Spanish long-liner «Tronio ... » in the areas of the Ross Sea and the Antarctic continental shelf (statistical subareas 88.1 and ... 58.4.1) outside the exclusive (marine) economic zones of foreign states, in the period from 5 November ... , 2007 till 24 March, 2008. In the paper size characteristics of Antarctic and Patagonian toothfishes ...
Meeting Document : WG-FSA-08/12 : Author(s): A.K. Zaytsev (Ukraine)
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TIMING OF CLUTCH INITIATION IN PYGOSCELIS PENGUINS ON THE ANTARCTIC PENINSULA: TOWARDS AN IMPROVED UNDERSTANDING OF OFF-PEAK CENSUS CORRECTION FACTORS
Abstract: Penguin censuses on the Antarctic Peninsula are often subject to logistical challenges ... that preclude nest censuses being conducted at the peak of egg laying as established by the CCAMLR ... Ecosystem Monitoring Program (CEMP) (Scientific Committee for the Conservation of Antarctic Marine Living ... Resources 2004). Additionally, the historical literature, necessary for establishing baseline conditions ...
Meeting Document : WG-EMM-PSW-08/15 : Author(s): H.J. Lynch, W.F. Fagan, R. Naveen, S.G. Trivelpiece and W.Z. Trivelpiece (USA)
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An assessment of longlining operations for Dissostichus eleginoides on board the Chilean-registered longliner BF Cisne Verde during March–May 1997 around South Georgia (Subarea 48.3)
night using the Spanish double-line method with extra weights on the line and all deck-lights ... sampling method; the known number of coils laid during a night's setting operations provided the ... sampling frame, and the sampling units consisted of lengths of line between marked connecting lines ... target of 60 fish/day. The method was further developed to integrate different, and varying, levels of ...
Meeting Document : WG-FSA-97/41 : Author(s): Ashford, J.R., Everson, I.