Resultados de la búsqueda
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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)
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Assessment of the analysis of anomalous CPUE data from data-poor exploratory fisheries
Abstract: The article is concerned with discussion of the Analysis of anomalous CPUE data from ... data-poor exploratory fisheries (WG-FSA-12/07). Key points of the paper were presented and discussed ... during the Workshop for the Analysis of the Anomalous High CPUE by Korean Vessels in the CCAMLR Area ... high CPUE for Dissostichus spp. revealed by several vessels in the Subareas 58.4.1, 58.4.2 and 48.6. A ...
Meeting Document : WG-SAM-13/16 : Autor(es): V.A. Tatarnikov, A.F. Petrov and I.I. Gordeev (Russia)
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A review of tag-based stock assessments of the Antarctic toothfish Dissostichus mawsoni in Subarea 48.4
Abstract: The stock abundance of Antarctic toothfish in Subarea 48.4 is estimated using tag based ... mark-recapture analysis. During WG-FSA-14 the recommendation was made that the stock should move from ... the Petersen estimation method to the use of the Chapman bias corrected estimator; a correction ... specifically developed to reduce estimation bias in populations with low recaptures, a feature typical of the ...
Meeting Document : WG-FSA-15/44 : Autor(es): N. Walker, M. Soeffker, V. Laptikhovsky and T. Earl (United Kingdom)
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Research plan for the 2017/18 exploratory longline fishery of D. mawsoni in Subarea 48.6 by South Africa and Japan
Abstract: South Africa and Japan made the next season’s (2017/18) research plan in Subarea 48.6 ... using the latest CCAMLR C2 and Observer data. We have used extracted data provided by CCAMLR secretariat ... on 10 th May, 2017. The estimated median stock size in research block 48.6_2, 48.6_3, and 48.6_4 was ... 5657.54, 5162.26, and 8211.25 tonnes, respectively, in Chapman method considering tags released in the ...
Meeting Document : WG-SAM-17/03 : Autor(es): Delegations of Japan and South Africa
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Estimating prey consumption of the non-breeder component of an Adélie penguin population
Abstract: Estimating the consumption of prey by higher-order predators is a priority for WG-EMM ... as an element in CCAMLR’s ecosystem-based approach to management for the krill fishery in the ... recorded at the breeding colonies. However, recent work suggests that the size of the non-breeder component ... of an Adélie penguin population can be substantial compared with the size of the breeder population ...
Meeting Document : WG-EMM-17/12 : Autor(es): L. Emmerson and C. Southwell