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Further development of pairwise tag detection performance index and its application to the stock assessment of toothfish in the Ross Sea fishery
sustainable yields. The assessment model assumes that all vessels have equal tag detection rates; as a ... -specific tag detection performance for the Ross Sea fishery using a case-control methodology which controls ... location (i.e. in the same fishing season and within a specified distance). The index was calculated as ... the matched control hauls. By iterating over all events for all vessels, we generated a relative index ...
Meeting Document : WG-SAM-13/34 : Autor(es): S. Mormede (New Zealand)
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Comparing surface and planimetric area across multiple scales and assessing the impact of different data sources on seabed area estimation in research blocks in the CAMLR Convention Area
scientific survey designs and models of habitat use. Planimetric seabed areas (i.e. a two-dimensional ... surface) within the Convention area are commonly calculated, but surface area (i.e. a three-dimensional ... differences between surface and planimetric areas within fishable depth ranges at the scale of a research ... based on the current CPUE-analogy calculations. However, in many of the research blocks a higher ...
Meeting Document : WG-SAM-15/01 : Autor(es): CCAMLR Secretariat
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Information on the spawning season and gonadosomatic indices of Dissostichus mawsoni from Subarea 88.1 in the 2001/02 season
season was identified as late autumn (May). A significant difference in the condition of fish between ... summer and autumn was noted, and this may be a result of migration f or spawning. The maximum GSI ... recorded for females was 26% with a 7.5 kg ovary. The maximum GSI was 43% for a stage 3 male weighing 20 kg ...
Meeting Document : WG-FSA-02/31 : Autor(es): G.J. Patchell (New Zealand)
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REPORT ON AUSTRALIAN VMS TRIAL IN THE CCAMLR AREA
individual fishers are detailed, together with the operational costs of VMS equipment. A range of conclusions ... are drawn from the trial; notably that VMS is a cost effective measure for a flag State to monitor ... fishing activities of its vessels and that VMS offers a range of capabilities that cannot be readily ...
Meeting Document : CCAMLR-XVI/BG/7 : Autor(es): Delegation of Australia
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The Southern Ocean Observing System (SOOS): an update
). CCAMLR are invited to appoint an ex-officio representative to the SOOS Steering Committee. A SOOS Initial ... , and an Executive Officer, Louise Newman has been appointed. Currently, a website is being developed ... and a Scientific Steering Committee is being selected. Author(s): A joint submission by SCAR and SCOR ...
Meeting Document : CCAMLR-XXX/BG/13 : Autor(es): A joint submission by SCAR and SCOR
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Models of Antarctic marine ecosystems in support of CCAMLR and IWC: background
Abstract: Ecosystem models are being developed to explore a range of issues globally. This paper ... to the use of ecosystem models in CCAMLR and the IWC and a history of the developmental work in those ... that need to be considered in parameterising a model, providing input data for those models and for ... CCAMLR and the IWC. Author(s): Constable, A. Title: Models of Antarctic marine ecosystems in support of ...
Meeting Document : CCAMLR-IWC-WS-08/03 : Autor(es): Constable, A.
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Incorporating climate change into CCAMLR’s decisionmaking processes
working papers, even though climate change and ocean acidification are relevant to a wide range of policy ... submission of new or revised legislation or regulations when an issue has relevance to a broad spectrum of ... decisions. ASOC therefore recommends that CCAMLR adopt a resolution urging Members to include a climate ...
Meeting Document : CCAMLR-XXXIII/BG/21 : Autor(es): Submitted by ASOC
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Population variability of biological parameters of penguins along the Antarctic Peninsula
Abstract: A collection of published papers about population variability of several biological ... contribute to the general knowledge of penguin biological variation, to generate a data baseline in the ... parameters, higher abundance of ectoparasites and a higher stress in northern populations. Contaminant levels ... well. Author(s): A. Barbosa Title: Population variability of biological parameters of penguins along ...
Meeting Document : WG-EMM-2019/72 : Autor(es): A. Barbosa
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Fish and invertebrate by-catch from Australian fisheries for D. eleginoides and C. gunnari in Division 58.5.2
Islands in CCAMLR Statistical Division 58.5.2. These comprise a trawl and a longline fishery for the ... Patagonian toothfish, Dissostichus elegionoides and a trawl fishery for mackerel icefish, Champsocephalus ... . Preliminary results from a rajid tagging program are also presented. Total removals of by-catch in the trawl ... fisheries are estimated to be very low. From 1996/1997 to 2002/2003, a total of 115 tonnes of by-catch was ...
Meeting Document : WG-FSA-03/73 : Autor(es): E.M. van Wijk and R. Williams (Australia)
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Longline sink rates of an autoline vessel, and notes on seabird interactions
Abstract: A series of longline sink-rate trials were conducted with and without weights, from an ... . Further trials were conducted with weights added to the longline as in normal fishing operations. A robust ... attachment method for Time Depth Recorders was developed. A tori line was used at all times by the vessel ... having swallowed a baited hook. Fourteen species of large seabird and 5 species of small seabird were ...
Meeting Document : WG-FSA-01/44 : Autor(es): N.W.McL. Smith (New Zealand)