Search results
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Estimation of the green weight of krill caught
Abstract: Vessels operating in the krill fishery in CCAMLR’s Convention Area are required to ... directly estimate the green weight of krill caught (Conservation Measure 21-03, Annex B). This requirements ... was introduced for the 2012/13 seasons, and the estimation methods were revised at WG-EMM-13 and WG ... catch and effort data (C1 data). Vessels fishing in 2014/15 used five methods for the direct estimation ...
Meeting Document : WG-EMM-15/19 : Author(s): CCAMLR Secretariat
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REPORT ON THE ABANDONED GILLNET RETRIEVAL OPERATION CONDUCTED BY AUSTRALIA IN CCAMLR STATISTICAL DIVISION 58.4.3B (BANZARE BANK)
gillnets as a fishing method to target toothfish in the Convention area. Estimating the impact of IUU ... fishing is hampered by a lack of data on the design, deployment, catch and bycatch rates of gill nets ... (Statistical Division 58.4.3b), and the toothfish and bycatch found when a section of the gillnet was retrieved ... . Based on the amount of toothfish found in the 8 km long section of net retrieved, upwards of 29 tonnes ...
Meeting Document : CCAMLR-XXVIII/BG/22 : Author(s): Delegation of Australia
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POTENTIAL REQUIREMENTS FOR SCIENTIFIC DATA FROM THE KRILL FISHERY
Abstract: CCAMLR has agreed that there is a requirement for systematic observation from the krill ... vessels. The number of observer days as a proportion of the number of days fished varied between c10 ... % (Subareas 48.1 and 48.2) and c30% (in Subarea 48.3). 13 of the 16 vessels that have fished for krill in 48.3 ... existing observer data submitted to the Secretariat indicates that measuring 200 krill from 5 hauls should ...
Meeting Document : WG-EMM-08/45 : Author(s): Secretariat
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Manual: estimating the age of Patagonian toothfish (Dissostichus eleginoides) using transverse cross-sections of otoliths
Abstract: At the 2000 Fish Stock Assessment Working Group Meeting (WG-FSA-2000), differences were ... noted in the growth parameters being used for assessments of toothfish. To assess whether these ... nations participated in a Workshop in 2001 at Old Dominion Unversity with the primary aim of seeking ... conformity in estimating age of Patagonian toothfish (Dissostichus eleginoides). Arising from the workshop ...
Meeting Document : WG-FSA-10/15 : Author(s): K. Underkoffler, N. Ramanna and J. Ashford (USA)
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Pop-off Satellite Tagging in the Ross Sea Region in 2016
Abstract: In 2016, the USA and New Zealand began a collaborative initiative to describe Antarctic ... toothfish (Dissosticus mawsoni) movement and habitat preferences in the Ross Sea (Subarea 88.1) using pop ... -off satellite archival tags (PSAT) tags. Fish were tagged as part of research longline efforts in the ... southern shelf and northern seamount regions. A total of 10 PSAT tags of two tag types were released on the ...
Meeting Document : WG-FSA-16/57 : Author(s): C.D. Jones, S.J. Parker, A. Dunn, D. Di Blasi and D. Stevens
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Unnatural selection of Antarctic toothfish in the Ross Sea, Antarctica
Abstract: The current management strategy of the Ross Sea Antarctic toothfish fishery in an MSY ... mode is to target the oldest, largest, most fecund fish, theoretically to increase the number and ... growth rate of smaller fish. The literature is reviewed to reveal why this strategy has failed in the ... , J.T. Eastman and M. Massaro Title: Unnatural selection of Antarctic toothfish in the Ross Sea ...
Meeting Document : WG-FSA-12/P05 : Author(s): D.G. Ainley, C.M. Brooks, J.T. Eastman and M. Massaro
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RECENT POPULATION ESTIMATES AND TRENDS IN NUMBERS OF ALBATROSSES AND GIANT PETRELS BREEDING AT THE SUB-ANTARCTIC PRINCE EDWARD ISLANDS
Abstract: The second mid-summer survey of surface-nesting seabirds at the Prince Edward Island ... group (Marion and Prince Edward islands) was conducted during December 2008, seven years after the ... have remained stable, whereas the population on Prince Edward Island decreased by 20% from 2001 to 2008 ... (3% per year). The estimate of Indian yellow-nosed albatrosses T. carteri at Prince Edward Island was ...
Meeting Document : WG-EMM-10/P4 : Author(s): P.G. Ryan, M.G.W. Jones, B.M. Dyer, L. Upfold and R.J.M. Crawford
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A PROPOSAL TO AMEND CONSERVATION MEASURE 24-01: THE APPLICATION OF CONSERVATION MEASURES TO SCIENTIFIC RESEARCH
Abstract: SC-CAMLR and its working groups have previously identified the lack of review of ... scientific research conducted within the CCAMLR Area as a key issue. At the 2007 CCAMLR meetings, there was ... must provide a reasonable certainty that the state of knowledge will be advanced, and as such all ... review. Noting the recommendations of SC-CAMLR Australia proposes that revisions be made to Conservation ...
Meeting Document : CCAMLR-XXVII/34 : Author(s): Delegation of Australia
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Preliminary report of the UK winter icefish survey, South Georgia (CCAMLR Subarea 48.3), 27 August to 21 September 2007
Abstract: This is a preliminary report of the results of the 11th UK South Georgia groundfish ... survey, the first to be conducted during the austral winter since 1997. Preliminary biomass estimates are ... provided for C. gunnari whilst new information on the winter distribution and ecology of the demersal fish ... . Lawson, C. Main and A. Pande (United Kingdom) Title: Preliminary report of the UK winter icefish survey ...
Meeting Document : WG-FSA-07/56 : Author(s): M. Belchier, M.A. Collins, J. Moir-Clark, S. Fielding, J. Lawson, C. Main and A. Pande (United Kingdom)
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Results of the tagging experiment for D. eleginoides in Subarea 48.4
Abstract: Two vessels, the Argos Helena (UK) and the San Aspiring (New Zealand), fished around ... the South Sandwich Islands (Subarea 48.4) in 2006 following one vessel, the Argos Helena, fishing in ... 2005 to assess the toothfish population. We present an analysis of the catch and tagging data and a ... ) Title: Results of the tagging experiment for D. eleginoides in Subarea 48.4 Approval: Approved ...
Meeting Document : WG-FSA-06/56 : Author(s): A. Payne and D.J. Agnew (United Kingdom)