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Notes on the biology of the South Georgia ray, Raja georgiana
Abstract: Morphological information is given on specimens of Raja georgiana that were caught ... during a demersal trawl survey in Subarea 48.3, South Georgia. It is concluded that, in spite of ... fish, they are thought to mature at about 800mm total length. Author(s): I. Everson, J. Kerr, C. Yau ... and A. Williams (United Kingdom) Title: Notes on the biology of the South Georgia ray, Raja georgiana ...
Meeting Document : WG-FSA-00/22 : Автор(ы): I. Everson, J. Kerr, C. Yau and A. Williams (United Kingdom)
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A simple approach for calculating the potential yield of krill from biomass survey results
values of the ages at maturity and first-capture. Seasonal effects seem to be of lesser importance ... calculations is that the probability that the kri11 spawning biomass drops below 20% of its average pre ... -exploitation level over a 20 year period of harvesting should not exceed l0%. The value of λ depends strongly ... on the value of M (natural mortality) and σR (recruitment variability), and also on the relative ...
Meeting Document : WG-KRILL-91/24 : Автор(ы): D.S. Butterworth (South Africa) and M. Basson (United Kingdom)
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Translation review of the Basic Documents and the conservation measures
publication of the Schedule of Conservation Measures in Force, following their adoption by the Commission at ... Abstract: In 2018, the Secretariat undertook a comprehensive translation review of all ... of major issues identified in the conservation measures and the Basic Documents are appended, and the ... the next version of the Basic Documents and will be incorporated into translations of the next ...
Meeting Document : CCAMLR-XXXVII/BG/12 : Автор(ы): CCAMLR Secretariat
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CEMP indices 1998: summary of anomalies and trends
species and the environment collected by standard methods within the three integrated study regions of the ... and anomalies are presented for data at hand. Author(s): Secretariat Title: CEMP indices 1998 ... : summary of anomalies and trends Approval: Approved Secretariat Workflow Status: Content Approved ...
Meeting Document : WG-EMM-98/04 Rev. 2 : Автор(ы): Secretariat
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Proposed process for independent review of CCAMLR toothfish stock assessments
Abstract: Following discussion at the Scientific Committee in 2016, we propose a process for ... independent review of CCAMLR integrated toothfish stock assessments based on the process used by the Center ... review of CCAMLR toothfish stock assessments Microsoft Word File: fsa-17-62.docx Approval: Approved ...
Meeting Document : WG-FSA-17/62 : Автор(ы): Scientific Committee Chair and Vice-Chairs and the working group conveners
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Uncertainty in reported geographical distribution and weight of krill catches from Norwegian krill fishing vessels operating continuous fishing systems
given reported catch value but not major bias. The geographical distribution of reported catch at ... of actions that would facilitate further consideration and clarification of these technical issues ... the outcome of the action steps including onboard experiments and analyses of historical catch data ... . Experiments on board ‘Saga Sea’ showed that there is an average delay of approximately 9 minutes between the ...
Meeting Document : WG-EMM-18/22 : Автор(ы): G. Skaret, T. Knutsen, F. Grebstad and O.A. Bergstad
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Distribution of salps near the South Shetland Islands; their ecological significance in the area
was dominant. Horizontal distribution of salps and krill did not overlap. Krill occurred abundantly at ... Abstract: Distribution and abundance of salps were studied near the South Shetland Islands during ... the high-chlorophyll a area, in contrast, salps exhibited high biomass in the area of low chlorophyll ... : Distribution of salps near the South Shetland Islands; their ecological significance in the area Approval ...
Meeting Document : WG-KRILL-93/17 : Автор(ы): J. Nishikawa, M. Naganobu, T. Ichii and K. Kawaguchi (Japan)
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Start date of the CCAMLR fishing season for Antarctic krill
start at a time of year that is based upon ecological events, rather than upon a date that is convenient ... for management. We review data on the breeding phenology of predators, and use data from the CCAMLR ... Statistical Bulletin (Version 28) to explore whether there are times of year that would reduce the potential ... S. Hill Title: Start date of the CCAMLR fishing season for Antarctic krill Microsoft Word File ...
Meeting Document : WG-EMM-16/16 : Автор(ы): P. Trathan and S. Hill
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Parameters for a model of the functional relationships between krill escapement and crabeater seal demographic performance
Peninsula between 1964 and 1990. Average annual survival rate of adults was estimated to be 0.93. Age at ... into a simple model of the functional relationships between krill escapement and crabeater seal ... sexual maturity was estimated to be 3.8 years. Of 44 annual estimates of historical cohort strength, 16 ... for a model of the functional relationships between krill escapement and crabeater seal demographic ...
Meeting Document : WG-CEMP-93/04 : Автор(ы): P.L. Boveng and J.L. Bengtson (USA)
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Movement of Patagonian toothfish (Dissostichus eleginoides) in Subarea 48.3
significant negative positive correlation between movement rate and local toothfish density at the point of ... Abstract: Movement of Patagonian toothfish in Subarea 48.3 was investigated using tagging program ... data. Data from 33,322 tag releases and 4,203 tag recaptures were used. The mean movement rate of both ... between male and female fish of the same maturity category. Male and females with developed, ripe and ...
Meeting Document : WG-SAM-12/19 : Автор(ы): T. Peatman, S.M. Martin, J. Pearce and R.E. Mitchell (United Kingdom)
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