Search results
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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 ... observed in the experiment A-1, the majority of particles were advected eastward in the experiment A-2. A ... significant difference is that some particles reached southern shelf-slope zone (nursery ground) in the ... experiment A-2 because of effects of temporal eddy activities. In the northern continental slope region, most ...
Meeting Document : WG-FSA-2019/63 : Author(s): M. Mori, K. Mizobata, T. Okuda and T. Ichii
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Detecting trends in the krill fishery
stocks is of limited value in plotting trends in the fishery at its current level. Predictions by Members ... found that they are generally less accurate than will be necessary to detect trends in the future ... . Economic information on the krill fishery has been difficult to access in the past but will be necessary to ... generally available in the Scientific Committee. Technological information may provide early warnings of ...
Meeting Document : WG-EMM-02/25 : Author(s): S. Nicol and J. Foster (Australia)
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Mackerel icefish biomass and distribution on the results of acoustic survey carried out in February–March 2002
Atlantida in February-March 2002 in Subarea 48.3 are presented. Biomass and distribution of icefish were ... estimates of icefish were made by comparison an observed TS in situ histograms with the size composition of ... abundance values by size class in pelagic zone and in the near-bottom 8m layer (covered by bottom trawling ... are also available. The bottom biomass resulted in the estimate of 62,328.0 tonnes. The sum acoustic ...
Meeting Document : WG-FSA-02/44 : Author(s): S.M. Kasatkina, V.Yu. Sunkovich, A.P. Malyshko and Zh.A. Frolkina
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ADDRESSING UNCERTAINTY OVER THE IMPORTANCE OF ANTARCTIC TOOTHFISH AS PREY OF SEALS AND WHALES IN THE SOUTHERN ROSS SEA: A REVIEW
(Dissostichus mawsoni) as prey of top predators in the Ross Sea. We reviewed the literature to assess the ... been detected in scat or stomach samples; biochemical samples have been taken only from seal ... -breeding seals in McMurdo Sound take 0.8-1.3 toothfish per day. Seals with video recording equipment were ... estimated that the non-breeding portion of the seal population in McMurdo Sound, during spring and summer ...
Meeting Document : WG-EMM-08/22 : Author(s): D. Ainley and D. Siniff (USA)
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Assessment of fishing intensity of krill in Subarea 48.2 during the season of 1989/90
(data of 2900 trawlings are used) in the South Orkneys area during December 1989- March 1990. In the ... fishing intensity (2.7- 88.9 thous.t) obtained for above mentioned four months in 1984-1993 (CCAMLR, 1994 ... in the area off the northern Coronation Island. Vessels of PPR type obtained the highest catch ... 30 t. The highest variability was observed in trawlings duration (τ) and catch per trawling hour (q ...
Meeting Document : WG-EMM-97/51 : Author(s): Ivanova, V.I., Sushin, V.A., Kasatkina, S.M.
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Trophic niche of the Antarctic toothfish caught in SSRU 88.3 as inferred from fatty acids and stable isotopes
Abstract: To highlight ontogenetic and geographical variability in resource utilization of ... Antarctic toothfish, we investigated neutral fatty acid (NFA) profiles and stable isotopes (SIs) in muscles ... of toothfish and their potential prey (bycatch and stomach contents), captured in fisheries in the ... Small Scale Research Units (SSRUs) 88.3 (the Pacific Ocean sector, POS) in austral summer during 2016 ...
Meeting Document : WG-FSA-18/21 : Author(s): C.-K. Kang, S.-G. Choi, H.Y. Kang, Y.-J. Lee, S. Chung and D.H. An
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Proposal for a skate tagging program in the Ross Sea region to estimate the local biomass trend for starry skates (Amblyraja georgiana)
for skates in the Ross Sea region, we summarise skate catch and mark-recapture data through the 2016 ... biomass. Much of the A. georgiana catch occurs in SSRUs 88.1H and 88.1I in an area remaining open to ... fishing with respect to the Ross Sea region Marine Protected Area. For consistency in comparisons, we use ... in the 2009 and 2010 fishing seasons to estimate local Chapman biomass using CCAMLR procedures for ...
Meeting Document : WG-FSA-18/38 Rev. 1 : Author(s): S. Parker and M. Francis
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Preliminary model of krill fishery behaviour in Subarea 48.1
fishery in Subarea 48.1 and estimates the effort applied and the catch of krill in fine-scale squares ... March, compare favourably with the general distribution of catches in Subarea 48.1. A number of ... the management option of closing the zones around Livingston and Elephant Islands in alternate years ... would result in an average yearly catch similar to that at present, although the catch is much more ...
Meeting Document : WG-KRILL-93/14 : Author(s): D.J. Agnew (Secretariat)
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Declining trend in the abundance of fjord fish of the species Notothenia rossii marmorata and Notothenia gibberifrons observed at two localities of South Shetland Islands
Abstract: A declining trend observed in the abundance of fjord fish of the species Notothenia ... nets at Potter Cove, King George/25 de Mayo I., from 1983 to 1990 and in waters around Half-Moon I ... ., Moon Bay, in 1989. The analysis was based on the proportion of catches of the mentioned species in ... relation to Notothenia neglecta, a species with similar ecological habits in the fjords. Comparison with ...
Meeting Document : WG-FSA-90/14 : Author(s): E. Barrera-Oro and E. Marschoff (Argentina)
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Spatial and seasonal distribution of adult Oithona similis in the Southern Ocean: predictions using boosted regression trees
of the cyclopoid copepod Oithona similis in the Southern Ocean. Nearly 20 000 samples from the ... probability of detection (presence) and relative abundance of adults of this zooplankton species in surface ... ) of adult O. similis between November and March in much of the Southern Ocean. No investigation was ... conditions in a broadly similar way throughout the Southern Ocean. Compared to a compilation of nethaul data ...
Meeting Document : WG-EMM-10/P14 : Author(s): M.H. Pinkerton, A.N.H. Smith, B. Raymond, G.W. Hosie, B. Sharp, J.R. Leathwick and J.M. Bradford-Grieve