Search results
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Draft proposal for multi-Member research on the Dissostichus mawsoni exploratory fishery in East Antarctica (Divisions 58.4.1 and 58.4.2) from 2018/19 to 2021/22
Abstract: Exploratory fishing for toothfish (Dissostichus spp.) in East Antarctica (Divisions ... 58.4.1 and 58.4.2) began in 2003. Robust stock assessments and catch limits according to CCAMLR decision ... succeeding research proposal for 2018/19 to 2021/22, in accordance with ANNEX 24-01/A, Format 2. This ... allow more time for review by Working Groups of major reporting and review years in non-stock-assessment ...
Meeting Document : WG-SAM-18/17 : Author(s): Delegations of Australia, France, Japan, Republic of Korea and Spain
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A preliminary model-based approach for estimating natural mortality of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea Region
Abstract: Natural mortality (M) is a key parameter in fisheries stock assessments, relating ... directly to the productivity of a stock, stock status, and estimated precautionary yields. In the Ross Sea ... constant across age and sex. In 2018, the independent review of the Ross Sea region D. mawsoni stock ... assessment recommended that CCAMLR consider the robustness and reliability of estimating natural mortality in ...
Meeting Document : WG-SAM-2019/04 : Author(s): B. Moore, S. Mormede, S. Parker and A. Dunn
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Contribution by France to work on bioregionalisation aimed at establishing Marine Protected Areas in the CCAMLR Area
Abstract: In this document, France presents to CCAMLR the status of its thoughts and work to ... assist in the establishment of new Marine Protected Areas in its Exclusive Economic Zones at Kerguelen ... and Crozet as well as in the Dumont d’Urville area. Author(s): Delegation of France Title ... : Contribution by France to work on bioregionalisation aimed at establishing Marine Protected Areas in the CCAMLR ...
Meeting Document : SC-CAMLR-XXIX/13 : Author(s): Delegation of France
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POPULATION SUBDIVISION IN THE ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) REVEALED BY MITOCHONDRIAL AND NUCLEAR SINGLE NUCLEOTIDE POLYMORPHISMS (SNPS)
Abstract: The Antarctic toothfish (Dissostichus mawsoni) exhibits a circumpolar distribution in ... structure in this species, we examined four mitochondrial regions and 13 nuclear gene fragments in samples ... from four CCAMLR Subareas in the Southern Ocean (Australian Antarctic Territory (Subarea 58.4.2), Ross ... structure in this species. Author(s): K. Kuhn and P.M. Gaffney Title: POPULATION SUBDIVISION IN THE ...
Meeting Document : WG-FSA-08/P01 : Author(s): K. Kuhn and P.M. Gaffney
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An acoustic estimation of krill densities to the north of South Georgia in January 1994
Abstract: Dual frequency (38 and 120 kHz) acoustic surveys were carried out in two regions along ... the northern coast of South Georgia from RRS lames Clark Ross during January 1994. Difference in ... densities in both regions were extremely low in comparison with previously published density estimates, and ... provide further evidence of an extreme krill paucity around South Georgia in the 1993/4 season. Author(s ...
Meeting Document : WG-EMM-95/74 : Author(s): Watkins, J.L., Brierley, A.S.
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Approaches to monitoring and assessing the abundance of rattails (Macrourus spp.) and skates in the Ross Sea
and assessing rattails and skates, which are major bycatch species in the exploratory fishery for ... toothfish in the Ross Sea. We review standardised CPUE analysis, quantitative research longline surveys ... towards obtaining abundance estimates for rattails and skates in the Ross Sea. The major advantage of this ... successful trawl survey. Simulations have indicated that only 35–40 trawls would be required in the depth ...
Meeting Document : WG-FSA-05/22 : Author(s): R.L. O’Driscoll, S.M. Hanchet and B.A. Wood (New Zealand)
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Notes on Champsocephalus gunnari biology, availability, diet and spatial distribution in the South Shetland and South Orkney Islands (Subareas 48.1 and 48.2)
Abstract: Stocks of the mackerel icefish Champsocephalus gunnari in the Southern Scotia arc ... characteristics than stocks in the Northern Scotia Arc. The history of commercial C. gunnari exploitation in the ... Southern Scotia Arc was short lived and intense, and led to the collapse of the stocks. Stocks in this ... Livingston Island. The dietary composition of C. gunnari appears to be more diverse in the South Orkney ...
Meeting Document : WAMI-01/10 Rev. 1 : Author(s): C.D. Jones and J. Emery (USA)
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On dispersion of different pelagic organisms, forming Antarctic backscattering in South Sandwich subarea during January–February 2000
Abstract: In the paper these have been discussed the results of acoustic estimation of ... echosounder in 48.4 Subarea. It has been shown that myctophid fish species are dominated in nectonic fraction ... fishes prevail in northern proving ground within the Antarctic Curcumpolar Current waters; zooplankton is ... distributed in the Weddell Sea waters. Though krill and zooplankton major biomasses are concentrated in upper ...
Meeting Document : WG-EMM-01/61 : Author(s): S.M. Kasatkina and A.P. Malyshko (Russia)
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DEVELOPING OPTIONS TO BUILD CAPACITY IN SCIENCE TO SUPPORT SC-CAMLR
Abstract: In 2008, the CCAMLR Performance Review recommended that capacity in delivering ... scientific advice from the Scientific Committee (SC‐CAMLR) needed to be improved through (i) an increase in ... these issues by the SC‐CAMLR in recent years. Given the complexity of the issues, it is proposed that ... of an ad hoc correspondence group to “Develop options to build SC‐CAMLR capacity in science to ...
Meeting Document : SC-CAMLR-XXVIII/12 : Author(s): Delegations of Australia, the United Kingdom and N
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Two decades of variability in krill predators at Bird Island, South Georgia and their potential as ecosystem indicators
Abstract: The breeding performance of seabirds and seals at Bird Island, South Georgia, in the ... variability in variables for four species to evaluate their potential as ecosystem indicators. These variables ... survival and mass). Krill in the diet was correlated across the three bird species (gentoo, Pygoscelis ... penguins. Offspring survival and hence PRP were largely independent of krill in the diet for macaroni ...
Meeting Document : WG-EMM-12/16 : Author(s): S.L. Hill, C.M. Waluda, H.J. Peat and S. Fielding (United Kingdom)