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On the intensity of sampling krill trawl catches
Abstract: This paper uses actual krill length frequency data in an attempt to address the problem ... from commercial catches. In addition, the possible effect of two other factors (within-trawl ... . The attention of WG-Krill is drawn to the following: * All measurements of length from commercial ... the minimum length differences between-catches which should be detectable. As far as possible ...
Meeting Document : WG-KRILL-90/27 : Autor(es): D.G.M. Miller (South Africa)
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The Ross Sea Region Marine Protected Area: Current proposal and looking forward
management. Since MPA planning commenced, CCAMLR has identified the Ross Sea as a key region in a ... representative system of Southern Ocean MPAs due to its scientific and biological value. The original joint US-NZ ... allowing for an economically viable toothfish fishery in the Ross Sea. Since 2012, Ross Sea region MPA ... reflected in the current proposal. Through this document, ASOC highlights the revisions made to the current ...
Meeting Document : CCAMLR-XXXIV/BG/27 : Autor(es): Submitted by ASOC
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PRELIMINARY RESULTS OF THE EXPERIMENT ON DEFINITION OF ANTARCTIC KRILL MORTALITY RATE IN FISHERY
out aboard Polish vessel Dalmor II according to the pattern submitted in paper SC-CAMLR-XXVIII/BG/10 ... . Approximately 230 to 130 kg of krill are percolated and punched through per an hour of trawling if the average ... catch per an hour of trawling is about 8 tons and towing speed is 2.6-2.7 knots. The key parameters of ... trawling which influence the value of the Antarctic krill mortality rate are: the trawl configuration and ...
Meeting Document : WG-EMM-11/15 : Autor(es): L. Pshenichnov and K. Vyshniakova (Ukraine)
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Acquiring a ‘base datum of normality’ for a marine ecosystem: the Ross Sea, Antarctica
Abstract: The Ross Sea Shelf Ecosystem (RSShelfE) offers the last chance to understand ecological ... oceans the systems used for understanding ecological processes and fishery effects all have lacked ... researchers who currently investigate open-ocean systems. Herein, the importance of top-down forcing in ... pelagic and neritic marine ecosystems is reviewed with concrete evidence given for its existence in the ...
Meeting Document : WG-EMM-04/20 : Autor(es): D. Ainley (USA)
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Changes to the Statistical Bulletin
Abstract: Two recent changes have impacted on the compilation of CCAMLR’s Statistical Bulletin ... ) a revision of the boundaries in Division 58.4.3 and adjacent areas (agreed at CCAMLR-XX). The ... as complete STATLANT data records include a reference to the split-year and month when fishing ... occurred. However, in a small number of historic datasets, the months are not defined and change (1) was ...
Meeting Document : SC-CAMLR-XXII/BG/07 : Autor(es): Secretariat
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Preliminary review of Antarctic toothfish maturity in the Ross Sea
toothfish Dissostichus mawsoni caught by Russian longliners in the Ross Ross Sea of the Pacific sector in ... gonads, fecundity, and condition by Fulton are described. The criteria of assessment of maturity stages ... of ovaries, cytological indices of oocytes, and the type of toothfish oogenesis are determined. It ... was established that in the period of fishing, females and males with gonads at maturity stage III ...
Meeting Document : WG-FSA-11/27 : Autor(es): S.V. Piyanova and A.F. Petrov (Russia)
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DEMOGRAPHIC STUDIES OF ANTARCTIC KRILL IN THE SOUTH ORKNEY ISLANDS AREA 2009, FIELDWORK AND PRELIMINARY RESULTS
(Euphausia superba) fishery with the vessel “ Saga Sea ” in the South Orkney Islands area. We present ... preliminary results regarding krill demography from the sampling period in January-March, 2009. Total body ... % adult males and ~64% adult females (overall adult sex ratio: 1:4). The proportion of immature krill was ... similar throughout the study period; whereas the proportion of males decreased and the female proportion ...
Meeting Document : WG-EMM-09/10 : Autor(es): B.A. Krafft and G. Skaret (Norway)
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Gap analysis: comparing CCAMLR’s port state measures with those in the FAO Agreement on Port State Measures to Prevent, Deter and Eliminate Illegal, Unreported and Unregulated Fishing
Abstract: ASOC is submitting for the consideration of the Commission and of the Standing ... Committee on Implementation and Compliance (SCIC) the preliminary results of research conducted by the Pew ... Environment Group (PEG) to compare the port State measures established by ten Regional Fisheries Management ... Organizations (RFMOs) with the port State measures established by the FAO Port State Measures Agreement (PSMA ...
Meeting Document : CCAMLR-XXIX/BG/25 : Autor(es): ASOC Observer
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Quantitative assessment of benthic fauna and assemblages in the Heard Island and McDonald Islands region
Abstract: A benthic sampling program in the Heard Island and McDonald Islands (HIMI, CCAMLR ... Statistical Division 58.5.2) region was undertaken by the Australian Antarctic Division (AAD) from 2003 to ... 2008. Quantitative samples collected during three cruises by the fishing vessel Southern Champion from ... eleven geographic areas, using either a beam trawl or benthic sled, provide the most comprehensive ...
Meeting Document : WG-EMM-10/25 : Autor(es): T. Hibberd, D.C. Welsford, A.J. Constable, K. Moore and S. Doust (Australia)
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Preliminary studies on age and growth of Dissostichus eleginoides in the Ob-Lena Bank
Abstract: Preliminary studies on the age and growth of Dissostichus eleginoides sampled in the ... 2007/08 season in the Ob-Lena Bank were carried out. The ages of 214 of 3,013 fish sampled by Observers ... were estimated. The estimated ages ranged from 5 to 46 years for males and from 5 to 50 years for ... females. Five to eighteen years gave large contribution to the total age groups for both sexes. Females ...
Meeting Document : WG-FSA-10/48 : Autor(es): K. Taki, M. Kiyota and T. Ichii (Japan)