Search results
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Estimates of the tag loss rates for single and double tagged toothfish (Dissostichus mawsoni) fishery in the Ross Sea
Abstract: The rate at which tags are lost from tagged toothfish is an important parameter in ... modelling of the Antarctic toothfish (Dissostichus mawsoni) populations in Subarea 88.1 and 88.2. The ... toothfish stocks in these areas have been assessed using data from tag-release and recapture experiments ... individual tags are lost from tagged toothfish in Subareas 88.1 and 88.2 from a sample of 969 double tagged ...
Meeting Document : WG-SAM-11/18 : Author(s): A. Dunn, M.H. Smith (New Zealand), D.J. Agnew (UK) and S. Mormede (New Zealand)
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Catches of target species in the Convention Area
Abstract: Summary of catches from directed fishing on toothfish, icefish and krill in the ... Convention Area in 2014/15 and 2015/16, including catches taken during scientific surveys conducted in ... accordance with Conservation Measure 24-01. Catches reported in 2014/15 were published in the CCAMLR ... in 2015/16 are also summarised. Author(s): CCAMLR Secretariat Title: Catches of target species in ...
Meeting Document : SC-CAMLR-XXXV/BG/01 : Author(s): CCAMLR Secretariat
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The Norwegian SWARM project: from swarming behaviour to trophic interactions: modelling dynamics of Antarctic krill in ecosystem hotspots using behaviour-based models
Abstract: Norway is in the process of extending its monitoring efforts in the area around South ... Orkneys by deploying acoustic moorings in a commercially exploited area. Data gathered from the moorings ... will be used to parametrise models, in order to gain better understanding of the interaction between ... ocean physics and behaviour in driving krill biomass variation in the area. Author(s): T.A. Klevjer, G ...
Meeting Document : WG-EMM-17/26 : Author(s): T.A. Klevjer, G. Rieucau, A.H.H. Renner, G. Skaret and O.R. Godø
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Proposal for a mark–recapture experiment to estimate toothfish population size in Subarea 48.4
Abstract: One UK vessel fished around the South Sandwich Islands (Subarea 48.4) in in July, 2005 ... in accordance with CM 41-03. During this time fish were tagged in order to start a mark-recapture ... programme to assess the toothfish population. Catch rates were similar to those experienced in Subarea 48.3 ... . The UK proposes to undertake a more extensive mark-recapture experiment in Subarea 48.4 over the 2006 ...
Meeting Document : WG-FSA-05/57 : Author(s): Delegation of the United Kingdom
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Distribution, biological characteristic and biomass of icefish from the results of inventory trawling survey carried out by STM-8390 Atlantida in January–March 2002
-8390 Atlantida in February 2002 in Subarea 48.3 are presented. During this period, the fish were mainly ... foraging. Champsocephalus gunnary 22-28 cm in length at the age of 2-3 predominated on all grounds of the ... Subarea, except the north-eastern part. During the survey, specimens 15 cm in length at the age of 2 ... prevailed in pelagic catches. Peculiarity of Ch. gunnary biology in 2002 consisted in high internal fatness ...
Meeting Document : WG-FSA-02/79 : Author(s): Zh.A. Frolkina and P.S. Gasiukov (Russia)
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Plan of research program of the Russian Federation in Subarea 48.5
Abstract: Research program in the Weddell Sea in season 2015/2016 and the following seasons ... presented by the Russian Federation was prepared in accordance with recommendations of the Scientific ... Federation and adopted by the SC in 2012 (WG-FSA-12/12). Past WG-SAM-2015 (Warsaw, Poland) made no ... -35” obtained by the vessel in 2014. But, the Convention and Conservation Measures in force (Schedule ...
Meeting Document : WG-FSA-15/29 : Author(s): Delegation of the Russian Federation
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A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2014 random stratified trawl survey
Abstract: The annual Random Stratified Trawl Survey was undertaken in Division 58.5.2 in the ... standard CCAMLR methods. A pattern of multiple year classes being present simultaneously in the population ... , which was first detected in 2011, has persisted. The large cohort observed in recent surveys was still ... projected. These projections indicate that catches of 309t in the 2014/15 season and 275t in the 2015/16 ...
Meeting Document : WG-FSA-14/44 : Author(s): D.C. Welsford (Australia)
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Quantifying the impacts of ice on demersal longlining; a case study in CCAMLR Subarea 88.1
Abstract: The effect of sea ice is acknowledged as a major influence on fishing operations in ... high latitudes but not widely understood in detail other than by fishers and specialists in Antarctic ... fisheries research and management. Using the toothfish fishery in CCAMLR Subarea 88.1 as a case study we ... provide a method to quantify the effect of sea-ice on fishing. We discuss the ways in which ice effects ...
Meeting Document : WG-FSA-14/55 Rev. 1 : Author(s): J.M. Fenaughty and S.J. Parker (New Zealand)
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Analysis of gear loss by fishing vessels in the CCAMLR Convention Area as contribution to the marine debris program
Abstract: CCAMLR has monitored marine debris in the Convention Area since the establishment of ... the marine debris program in 1989. In 2017, WG-FSA recommended that lost fishing gear reported from ... vessels be included in annual updates on marine debris. Rates of hook loss in longline fisheries revealed ... a significant variation in the reporting rates between CCAMLR fisheries. When gear was reported lost ...
Meeting Document : WG-FSA-18/17 : Author(s): CCAMLR Secretariat
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An exploration of the biological data used in the CCAMLR Subarea 48.3 Patagonian toothfish stock assessments
Abstract: WG-FSA 2018 noted that changes in productivity parameters may impact assessment ... change. The Working Group recommended that key assessment parameters be reviewed and that changes in the ... fishery dynamics that would impact their estimation be explored. The biological productivity parameters in ... subarea 48.3 are analysed here, particularly whether the proportion of females in the catch, maturity at ...
Meeting Document : WG-SAM-2019/32 : Author(s): E. MacLeod, K. Bradley, T. Earl, M. Söffker and C. Darby