Search results
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Updated progress report on the research fishery for Dissostichus spp. in Subarea 48.6 being jointly undertaken by Japan and South Africa: 2012/13 and 2013/14
the 2012/13 season and the first seven months of the 2013/14 season are reported. This paper updates ... and replaces WG-SAM-14/10. Over the first 19 months of the Research fishery a total of 279 ... recaptured. Even though almost 50% of the recaptures are within season the progress in the northern section ... of Subarea 48.6 is encouraging. By the end of the 2014/15 fishing season there should be sufficient ...
Meeting Document : WG-FSA-14/67 : Author(s): R. Leslie (South Africa), K. Taki, T. Ichii (Japan) and S. Somhlaba (South Africa)
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Hydroacoustic data obtained around Elephant Island and South Orkney Islands during austral summer 2018
Abstract: This document presents the analysis of acoustic data obtained during the austral summer ... of 2018 as a complement to finfish research in Subareas 48.1 and 48.2 using bottom trawling nets. The ... frequency of 38 kHz and a SIMRAD ES70 fishing echosounder equipped with a 120 kHz frequency transducer. The ... geographical distribution of krill concentrations and the presence of fish shoals are described in an area of ...
Meeting Document : WG-FSA-18/05 : Author(s): N.A. Alegría and P.M. Arana
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Integrating Climate and Ecosystem Dynamics in the Southern Ocean (ICED) programme: a report on recent joint activities and links between ICED and CCAMLR
analyses to improve understanding of Southern Ocean change, the implications for ecosystems and for ... increasing mutual understanding of the key areas of ICED science and associated activities that are also of ... an initial, mainly qualitative, assessment of the potential impacts of climate change on krill, their ... on Southern Ocean ecosystems and change, focusing on areas of interest to CCAMLR and joint ICED ...
Meeting Document : WG-EMM-2019/02 : Author(s): R.D. Cavanagh, N.M. Johnston and E.J. Murphy
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Development in maturity stage composition and vertical distribution in an Antarctic krill (Euphausia superba) hotspot
Abstract: Antarctic krill (Euphausia superba) aggregate in various ways depending on a range of ... such as shelf edges and canyons, are considered as hotspots of high importance for regional pelagic ... ecosystems and also for the krill fishing industry. Despite the importance of such krill hotspots, their ... dynamics over time with respect to spatial distribution and demographical composition of krill including ...
Meeting Document : WG-EMM-14/15 : Author(s): B.A. Krafft, G. Skaret and T. Knutsen (Norway)
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Fishery monitoring
conservation measure (CM) that applies to a fishery and the status of the fishery in relation to its catch ... limit. Failure to submit required catch and effort data can result in the closure of the fishery to the ... vessel involved. Which vessels are required to report? Reporting of catch and effort data are required ... purpose of CM 23-07, paragraph 1, any vessel that is licenced and notified to participate in an ...
Page : Site Section: Fisheries
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Modelling krill recruitment
observed values of the mean proportion of recruits and its variance to model recruitment in a krill ... population in terms of numbers of recruits. The method includes the calculation of natural mortality and ... for generating families of recruitment functions which are consistent with the statistical uncertainty ... , Australia Abstract A method is developed for using observed values of the mean proportion of recruits ... and its variance to model recruitment in a krill population in terms of numbers of recruits. The ... method includes the calculation of natural mortality and other parameters consistent with the observed ... proportional recruitment parameters. A procedure is given for generating families of recruitment functions ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 49–54 : Author(s): W.K. de la Mare
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Working Group on Acoustic Survey and Analysis Methods (WG-ASAM)
to hydroacoustic surveys of Antarctic krill. Each of the meetings of the sub-group have had specific ... terms of reference from the Scientific Committee as a result of a specific issue where expert evaluation ... of acoustic techniques has been required. In 2019 it became a full working group: WG-ASAM (SC-CAMLR ... (United Kingdom) and Dr Xinliang Wang (China). A list of the meetings (including reports) is available ...
Page : Site Section: Science
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Fishery-related information for WG-FSA-04
Abstract: Information on CCAMLR fisheries of relevance to the work of WG-FSA is summarised ... . Additional fishery-related information can be found in WG-FSA-04/6, 04/7, 04/8 and 04/9 (summaries of ... observer data), WG-FSA-SAM-04/4 (Development of Fishery Plans), SC-CAMLR-XXIII/BG/1 (catches in the ... Convention Area) SC-CAMLR-XXIII/BG/3 (summary of notification for new and exploratory fisheries), SCIC-04/3 ...
Meeting Document : WG-FSA-04/5 Rev. 1 : Author(s): Secretariat
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CCAMLR Fisheries: 2008 Update
Abstract: Information on CCAMLR fisheries of relevance to the work of WG-FSA is summarised ... , including availability of data, data-related developments in 2007/08, catches in assessed and exploratory ... WG-FSA-08/5 to 08/8 (summaries of observer data), SC-CAMLR-XXVII/BG/1 (catches in the Convention Area ... ) CCAMLR-XXVII/12 (summary of notification for new and exploratory fisheries), WG-FSA-08/10 (estimates of ...
Meeting Document : WG-FSA-08/04 : Author(s): Secretariat
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Acoustic survey design to estimate krill biomass in Subareas 48.1, 48.2 and 48.3
Abstract: The Scientific Committee has requested advice on the feasibility of conducting a ... synoptic survey of krill biomass in Statistical Area 48. Example calculations are presented for estimating ... the amount of survey effort required to achieve a target level of precision using a stratified random ... 1.25 ship-months of survey effort can provide an estimate of krill biomass in Subareas 48.1, 48. 2 and ...
Meeting Document : WG-EMM-95/71 : Author(s): Hewitt, R.P., Watters, G.